UL 489ANNEX UL 508UL 1077
UL 1077
Equipment Breakers
Earth Leakage
Circuit Breakers
Altech Corp.®• 35 Royal Road • Flemington, NJ 08822-6000 • P 908.806-9400 • F 908.806.9490 • www.altechcorp.com
10
UL(AC),
DL(DC) Series
UL489 Miniature Molded
Case Circuit Breakers
Current/ Voltage Rating
UL-Series
DL-Series
Calibration Temperature
Ambient Temperature
Storage Temperature
Terminal Size Acceptability
Terminal Torque (min/max)
Electrical Life
Mechanical Life
Vibration Resistance
Resistance to mechanical shocks
Degree of protection acc. IEC/EN 60529
Mounting Orientation
0.3 - 63A/ 240V AC, 0.3-32A/ 480Y/277V AC* (48V DC / pole pending)
0.3 - 63A/ 125/ 250V DC
40ºC (104ºF)
-25ºC to +55ºC (-13ºF to 131ºF )
-40ºC to +70ºC (-40ºF to 158ºF )
Top: 18-3 AWG; Bottom: 18-2 AWG
2 Nm (17.7 lb.in.) / 2.5Nm (22.2 lb.in)
6,000 switching cycles ON/ OFF
10,000 switching cycles ON/ OFF
> 15g according to DIN EN 60069-2-59 during a load with I1= 1.05 x IN
25g @ 11ms
IP20
In any plane
IEC 60947-2
Short Circuit Tested
•Available in AC and DC models
•DIN Rail Mounted
•17.5mm width
•Thermal Magnetic
•Current Limiting (UL tested)
•240V, 480Y/277V AC, 50/60Hz
•125V DC (1 pole); 250V DC (2 pole)
•10kA Short Circuit
Interrupting Capacity
•HACR Type 40°C
•Line/Load reversible
LISTED
C US
E329510
C.B.
No.
Poles Type 0.3-32A 40-63A
1AC 10kA @ 120, 240, 10kA @ 120,
277V 240V
2-3 AC 10kA @ 120, 240, 10kA @ 120
480Y/277V 240V
No.
Poles Type 0.3-32 40-63A
1AC 15kA@240V 15kA@240V
2-3 AC 15kA@415V 10kA@415V
No.
Poles Type 0.3-32A 40-63A
1DC 10kA @ 125V 10kA @ 125V
2DC 10kA @ 250V 10kA @ 250V
*One device, dual voltage ratings.
Short Circuit Interrupting Capacity
According to UL 489
Short Circuit Interrupting Capacity
According to IEC 60947-2, DIN EN 60947-2
CircuitProtection_2016.QXD_CircuitProtection 4/4/16 12:22 PM Page 10
UL 489ANNEX UL 508UL 1077
UL 1077
Equipment Breakers
Earth Leakage
Circuit Breakers
Altech Corp.®• 35 Royal Road • Flemington, NJ 08822-6000 • P 908.806-9400 • F 908.806.9490 • www.altechcorp.com 11
D-Characteristics AC
1.05xRC 1.35xRC 10xRC 16xRC
D-Characteristics DC
1.05xRC 1.35xRC 14xRC 22.4xRC
*The value of each characteristic is shown vertically beneath its corresponding heading.
Characteristic Trip Boundaries
Trip-Characteristics* Applications
C-Characteristics AC
C-Characteristics DC
Thermal Trip
Lighting
Control
Circuits
Wiring
Protection
Business
Equipment
Appliances
Transformers
Power
Supplies
Heaters
Must not
Trip>100ms
Must Trip
<1hr
Must not
Trip>100ms
Must Trip
at 100ms
Magnetic Trip
Low
Inrush
High
Inrush
Motors
Reactive
Load
Telecommu-
nications/
Computer
Equipment
Power
Supplies
1.05xRC 1.35xRC 5xRC 10xRC
1.05xRC 1.35xRC 7xRC 14xRC
Warning!
This information should only be used as a selection guide. The use of a Miniature Circuit Breaker in an application
with a certain Trip-Characteristic always requires prototype testing! It is the responsibility of the circuit design
engineer to select the appropriate Miniature Circuit Breaker for his specific application.
1 Pole 2 Pole 3 Pole
17.5 mm
36.5 mm 36.8 mm
35 mm 52.5 mm
68.4 mm
51.5 mm
30.5 mm
51.5 mm
37.5 mm
25.5 mm
14.5 mm
45 mm
105.3 mm
52.5 mm
34.5 mm
84
6 7
Dimensions in mm
Trip Characteristic
Voltage Rating
Rated Current
No. of Poles
Approval for heating,
refrigerating and air
conditioning devices.
Approval
Circuit Diagram
Short Circuit Rating
Product Series
Individual Part Number is shown
Marking Details
CircuitProtection_2016.QXD_CircuitProtection 4/4/16 12:22 PM Page 11
UL 489ANNEX UL 508UL 1077
UL 1077
Equipment Breakers
Earth Leakage
Circuit Breakers
Altech Corp.®• 35 Royal Road • Flemington, NJ 08822-6000 • P 908.806-9400 • F 908.806.9490 • www.altechcorp.com
12
C-Trip
Characteristic
LISTED
C US
E329510
C.B.
Application Examples:
Low inrush motors, resistive loads, wiring protection, receptacles,
lighting, and control circuit applications. Relatively short thermal
trip delay and medium magnetic trip point.
Standard Pack: 12
Weight:
0.3-32A:
1.74kg (3.83lb.)
40-63A:
1.98kg (4.37lb.)
Standard Pack: 6
Weight:
0.3-32A:
1.74kg (3.83lb.)
40-63A:
1.98kg (4.37lb.)
Standard Pack: 4
Weight:
0.3-32A:
1.74kg (3.83lb.)
40-63A:
1.98kg (4.37lb.)
Rated Type/ Rated
Current Cat. No. Voltage
0.3A 1C03UL 277V AC
0.5A 1C05UL 277V AC
1.0A 1C1UL 277V AC
1.6A 1C1.6UL 277V AC
2.0A 1C2UL 277V AC
3.0A 1C3UL 277V AC
4.0A 1C4UL 277V AC
5.0A 1C5UL 277V AC
6.0A 1C6UL 277V AC
8.0A 1C8UL 277V AC
10A 1C10UL 277V AC
12A 1C12UL 277V AC
13A 1C13UL 277V AC
15A 1C15UL 277V AC
16A 1C16UL 277V AC
20A 1C20UL 277V AC
25A 1C25UL 277V AC
30A 1C30UL 277V AC
32A 1C32UL 277V AC
40A 1C40UL 240V AC
50A 1C50UL 240V AC
60A 1C60UL 240V AC
63A 1C63UL 240V AC
One Pole Three Pole
Two Pole Add-on Neutral Pole
Rated Type/ Rated
Current Cat. No. Voltage
0.3A 2C03UL 480Y/277V AC
0.5A 2C05UL 480Y/277V AC
1.0A 2C1UL 480Y/277V AC
1.6A 2C1.6UL 480Y/277V AC
2.0A 2C2UL 480Y/277V AC
3.0A 2C3UL 480Y/277V AC
4.0A 2C4UL 480Y/277V AC
5.0A 2C5UL 480Y/277V AC
6.0A 2C6UL 480Y/277V AC
8.0A 2C8UL 480Y/277V AC
10A 2C10UL 480Y/277V AC
12A 2C12UL 480Y/277V AC
13A 2C13UL 480Y/277V AC
15A 2C15UL 480Y/277V AC
16A 2C16UL 480Y/277V AC
20A 2C20UL 480Y/277V AC
25A 2C25UL 480Y/277V AC
30A 2C30UL 480Y/277V AC
32A 2C32UL 480Y/277V AC
40A 2C40UL 240V AC
50A 2C50UL 240V AC
60A 2C60UL 240V AC
63A 2C63UL 240V AC
Rated Type/ Rated
Current Cat. No. Voltage
0.3A 3C03UL 480Y/277V AC
0.5A 3C05UL 480Y/277V AC
1.0A 3C1UL 480Y/277V AC
1.6A 3C1.6UL 480Y/277V AC
2.0A 3C2UL 480Y/277V AC
3.0A 3C3UL 480Y/277V AC
4.0A 3C4UL 480Y/277V AC
5.0A 3C5UL 480Y/277V AC
6.0A 3C6UL 480Y/277V AC
8.0A 3C8UL 480Y/277V AC
10A 3C10UL 480Y/277V AC
12A 3C12UL 480Y/277V AC
13A 3C13UL 480Y/277V AC
15A 3C15UL 480Y/277V AC
16A 3C16UL 480Y/277V AC
20A 3C20UL 480Y/277V AC
25A 3C25UL 480Y/277V AC
30A 3C30UL 480Y/277V AC
32A 3C32UL 480Y/277V AC
40A 3C40UL 240V AC
50A 3C50UL 240V AC
60A 3C60UL 240V AC
63A 3C63UL 240V AC
Rated Type/ Rated
Current Cat. No. Voltage
0.3-32A N32UL 480/277V AC
40-63A N63UL 240V AC
Standard Pack: 6
Weight:
0.99kg (2.18 lb.)
Standard Dual
Connection Terminal
• Box clamp terminals
Top: 18-3 AWG;
Bottom: 18-2 AWG
(Line/Load reversible)
• Ring tongue terminals
Ring
tongue Box
clamp
* May differ by manufacturer. Top terminal ring tongue max. thickness 1.6mm.
18.3 mm
(0.72 in.) M5 screw
11.3 mm
(0.44 in.)
max. 8-12 mm
(0.31-0.47 in.)
5.3 mm
(0.21 in.)
UL - Series
CircuitProtection_2016.QXD_CircuitProtection 4/4/16 12:22 PM Page 12
UL 489ANNEX UL 508UL 1077
UL 1077
Equipment Breakers
Earth Leakage
Circuit Breakers
Altech Corp.®• 35 Royal Road • Flemington, NJ 08822-6000 • P 908.806-9400 • F 908.806.9490 • www.altechcorp.com 13
Application Examples:
High inrush motors, transformers, power supplies, heaters and
reactive loads. Relatively long thermal trip delay and very high
magnetic trip point.
LISTED
C US
E329510
C.B.
Standard Pack: 12
Weight:
0.3-32A:
1.74kg (3.83lb.)
40-63A:
1.98kg (4.37lb.)
Standard Pack: 6
Weight:
0.3-32A:
1.74kg (3.83lb.)
40-63A:
1.98kg (4.37lb.)
Standard Pack: 4
Weight:
0.3-32A:
1.74kg (3.83lb.)
40-63A:
1.98kg (4.37lb.)
Rated Type/ Rated
Current Cat. No. Voltage
0.3A 1D03UL 277V AC
0.5A 1D05UL 277V AC
1.0A 1D1UL 277V AC
1.6A 1D1.6UL 277V AC
2.0A 1D2UL 277V AC
3.0A 1D3UL 277V AC
4.0A 1D4UL 277V AC
5.0A 1D5UL 277V AC
6.0A 1D6UL 277V AC
8.0A 1D8UL 277V AC
10A 1D10UL 277V AC
12A 1D12UL 277V AC
13A 1D13UL 277V AC
15A 1D15UL 277V AC
16A 1D16UL 277V AC
20A 1D20UL 277V AC
25A 1D25UL 277V AC
30A 1D30UL 277V AC
32A 1D32UL 277V AC
40A 1D40UL 240V AC
50A 1D50UL 240V AC
60A 1D60UL 240V AC
63A 1D63UL 240V AC
One Pole Three Pole
Two Pole Add-on Neutral Pole
Rated Type/ Rated
Current Cat. No. Voltage
0.3A 2D03UL 480Y/277V AC
0.5A 2D05UL 480Y/277V AC
1.0A 2D1UL 480Y/277V AC
1.6A 2D1.6UL 480Y/277V AC
2.0A 2D2UL 480Y/277V AC
3.0A 2D3UL 480Y/277V AC
4.0A 2D4UL 480Y/277V AC
5.0A 2D5UL 480Y/277V AC
6.0A 2D6UL 480Y/277V AC
8.0A 2D8UL 480Y/277V AC
10A 2D10UL 480Y/277V AC
12A 2D12UL 480Y/277V AC
13A 2D13UL 480Y/277V AC
15A 2D15UL 480Y/277V AC
16A 2D16UL 480Y/277V AC
20A 2D20UL 480Y/277V AC
25A 2D25UL 480Y/277V AC
30A 2D30UL 480Y/277V AC
32A 2D32UL 480Y/277V AC
40A 2D40UL 240V AC
50A 2D50UL 240V AC
60A 2D60UL 240V AC
63A 2D63UL 240V AC
Rated Type/ Rated
Current Cat. No. Voltage
0.3A 3D03UL 480Y/277V AC
0.5A 3D05UL 480Y/277V AC
1.0A 3D1UL 480Y/277V AC
1.6A 3D1.6UL 480Y/277V AC
2.0A 3D2UL 480Y/277V AC
3.0A 3D3UL 480Y/277V AC
4.0A 3D4UL 480Y/277V AC
5.0A 3D5UL 480Y/277V AC
6.0A 3D6UL 480Y/277V AC
8.0A 3D8UL 480Y/277V AC
10A 3D10UL 480Y/277V AC
12A 3D12UL 480Y/277V AC
13A 3D13UL 480Y/277V AC
15A 3D15UL 480Y/277V AC
16A 3D16UL 480Y/277V AC
20A 3D20UL 480Y/277V AC
25A 3D25UL 480Y/277V AC
30A 3D30UL 480Y/277V AC
32A 3D32UL 480Y/277V AC
40A 3D40UL 240V AC
50A 3D50UL 240V AC
60A 3D60UL 240V AC
63A 3D63UL 240V AC
Rated Type/ Rated
Current Cat. No. Voltage
0.3-32A N32UL 480/277V AC
40-63A N63UL 240V AC
Standard Pack: 6
Weight:
0.99kg (2.18 lb.)
Standard Dual
Connection Terminal
• Box clamp terminals
Top: 18-3 AWG;
Bottom: 18-2 AWG
(Line/Load reversible)
• Ring tongue terminals
Ring
tongue Box
clamp
* May differ by manufacturer. Top terminal ring tongue max. thickness 1.6mm.
18.3 mm
(0.72 in.) M5 screw
11.3 mm
(0.44 in.)
max. 8-12 mm
(0.31-0.47 in.)
5.3 mm
(0.21 in.)
D-Trip
Characteristic
UL - Series
CircuitProtection_2016.QXD_CircuitProtection 4/4/16 12:22 PM Page 13
UL 489ANNEX UL 508UL 1077
UL 1077
Equipment Breakers
Earth Leakage
Circuit Breakers
Altech Corp.®• 35 Royal Road • Flemington, NJ 08822-6000 • P 908.806-9400 • F 908.806.9490 • www.altechcorp.com
14
C-Trip (DC)
Characteristic
Application Examples:
Telecommunication equipment,
computer equipment, uninterruptable power supplies.
Standard Pack: 12
Weight:
0.3-32A:
1.86kg (4.1lb.)
40-63A:
2.10kg (4.6lb.)
Standard Pack: 6
Weight:
0.3-32A:
1.86kg (4.1lb.)
40-63A:
2.10kg (4.6lb.)
Rated Type/ Rated
Current Cat. No. Voltage
0.3A 1C03DL 125V DC
0.5A 1C05DL 125V DC
1.0A 1C1DL 125V DC
1.6A 1C1.6DL 125V DC
2.0A 1C2DL 125V DC
3.0A 1C3DL 125V DC
4.0A 1C4DL 125V DC
5.0A 1C5DL 125V DC
6.0A 1C6DL 125V DC
8.0A 1C8DL 125V DC
10A 1C10DL 125V DC
12A 1C12DL 125V DC
13A 1C13DL 125V DC
15A 1C15DL 125V DC
16A 1C16DL 125V DC
20A 1C20DL 125V DC
25A 1C25DL 125V DC
30A 1C30DL 125V DC
32A 1C32DL 125V DC
40A 1C40DL 125V DC
50A 1C50DL 125V DC
60A 1C60DL 125V DC
63A 1C63DL 125V DC
One Pole Two Pole
Rated Type/ Rated
Current Cat. No. Voltage
0.3A 2C03DL 250V DC
0.5A 2C05DL 250V DC
1.0A 2C1DL 250V DC
1.6A 2C1.6DL 250V DC
2.0A 2C2DL 250V DC
3.0A 2C3DL 250V DC
4.0A 2C4DL 250V DC
5.0A 2C5DL 250V DC
6.0A 2C6DL 250V DC
8.0A 2C8DL 250V DC
10A 2C10DL 250V DC
12A 2C12DL 250V DC
13A 2C13DL 250V DC
15A 2C15DL 250V DC
16A 2C16DL 250V DC
20A 2C20DL 250V DC
25A 2C25DL 250V DC
30A 2C30DL 250V DC
32A 2C32DL 250V DC
40A 2C40DL 250V DC
50A 2C50DL 250V DC
60A 2C60DL 250V DC
63A 2C63DL 250V DC
Standard Dual
Connection Terminal
• Box clamp terminals
Top: 18-3 AWG;
Bottom: 18-2 AWG
(Line/Load reversible)
• Ring tongue terminals
Ring
tongue Box
clamp
* May differ by manufacturer. Top terminal ring tongue max. thickness 1.6mm.
18.3 mm
(0.72 in.) M5 screw
11.3 mm
(0.44 in.)
max. 8-12 mm
(0.31-0.47 in.)
5.3 mm
(0.21 in.)
LISTED
C US
E329510
C.B.
UL - Series
+ + –
– – +
Warning!
Correct polarity must be observed
when connecting the DC circuit breakers.
CircuitProtection_2016.QXD_CircuitProtection 4/4/16 12:22 PM Page 14
UL 489ANNEX UL 508UL 1077
UL 1077
Equipment Breakers
Earth Leakage
Circuit Breakers
Altech Corp.®• 35 Royal Road • Flemington, NJ 08822-6000 • P 908.806-9400 • F 908.806.9490 • www.altechcorp.com 15
D-Trip (DC)
Characteristic
Application Examples:
Telecommunication equipment,
computer equipment, uninterruptable power supplies.
Standard Pack: 12
Weight:
0.3-32A:
1.86kg (4.1lb.)
40-63A:
2.10kg (4.6lb.)
Standard Pack: 6
Weight:
0.3-32A:
1.86kg (4.1lb.)
40-63A:
2.10kg (4.6lb.)
Rated Type/ Rated
Current Cat. No. Voltage
0.3A 1D03DL 125V DC
0.5A 1D05DL 125V DC
1.0A 1D1DL 125V DC
1.6A 1D1.6DL 125V DC
2.0A 1D2DL 125V DC
3.0A 1D3DL 125V DC
4.0A 1D4DL 125V DC
5.0A 1D5DL 125V DC
6.0A 1D6DL 125V DC
8.0A 1D8DL 125V DC
10A 1D10DL 125V DC
12A 1D12DL 125V DC
13A 1D13DL 125V DC
15A 1D15DL 125V DC
16A 1D16DL 125V DC
20A 1D20DL 125V DC
25A 1D25DL 125V DC
30A 1D30DL 125V DC
32A 1D32DL 125V DC
40A 1D40DL 125V DC
50A 1D50DL 125V DC
60A 1D60DL 125V DC
63A 1D63DL 125V DC
One Pole Two Pole
Rated Type/ Rated
Current Cat. No. Voltage
0.3A 2D03DL 250V DC
0.5A 2D05DL 250V DC
1.0A 2D1DL 250V DC
1.6A 2D1.6DL 250V DC
2.0A 2D2DL 250V DC
3.0A 2D3DL 250V DC
4.0A 2D4DL 250V DC
5.0A 2D5DL 250V DC
6.0A 2D6DL 250V DC
8.0A 2D8DL 250V DC
10A 2D10DL 250V DC
12A 2D12DL 250V DC
13A 2D13DL 250V DC
15A 2D15DL 250V DC
16A 2D16DL 250V DC
20A 2D20DL 250V DC
25A 2D25DL 250V DC
30A 2D30DL 250V DC
32A 2D32DL 250V DC
40A 2D40DL 250V DC
50A 2D50DL 250V DC
60A 2D60DL 250V DC
63A 2D63DL 250V DC
LISTED
C US
E329510
C.B.
UL - Series
Standard Dual
Connection Terminal
• Box clamp terminals
Top: 18-3 AWG;
Bottom: 18-2 AWG
(Line/Load reversible)
• Ring tongue terminals
Ring
tongue Box
clamp
* May differ by manufacturer. Top terminal ring tongue max. thickness 1.6mm.
18.3 mm
(0.72 in.) M5 screw
11.3 mm
(0.44 in.)
max. 8-12 mm
(0.31-0.47 in.)
5.3 mm
(0.21 in.)
+ + –
– – +
Warning!
Correct polarity must be observed
when connecting the DC circuit breakers.
CircuitProtection_2016.QXD_CircuitProtection 4/4/16 12:22 PM Page 15
UL 489ANNEX UL 508UL 1077
UL 1077
Equipment Breakers
Earth Leakage
Circuit Breakers
Altech Corp.®• 35 Royal Road • Flemington, NJ 08822-6000 • P 908.806-9400 • F 908.806.9490 • www.altechcorp.com
16
Type/ Cat No. Description Contacts Type Std Pk
H10UL 1 Auxiliary Contact 1NO 6
H11UL 2 Auxiliary Contacts 1NO + 1NC 6
H12UL 3 Auxiliary Contacts 1NO + 2NC 6
H21UL 3 Auxiliary Contacts 2NO + 1NC 6
HLS11L* 1 Auxiliary/1 Signal Contact 1CO + 1CO (Signal) 6
Max. Operating
Type/ Cat No. Rated Voltage UNCurrent @ UNStd Pk
FA12UL 12V AC/DC 1.3A 5
FA24UL 24V AC/DC 0.6A 5
FA48UL 48 - 72V AC/DC 0.2A 5
0.25A @ 110V
FA110UL 0.5A @ 240V 5
0.58A @ 277V
110 - 240V AC/DC,
277V AC
Rated Operating 10A@240V AC
Currents 3A@110V DC
1A@220V DC
Minimum Contact Load 1mA @ 24V DC
Torque max. 0.8Nm (7 lb.in)
Wire Range:
Single Wire 1.0mm² - 2.5mm² (18-14 AWG)
Stranded Wire 1.0mm² - 1.5mm² (18-16 AWG)
Stranded Wire 1.0mm² - 1.5mm² (18-16 AWG)
with Ferrule
Type/ Cat No. Rated Current INRated Voltage UNStd Pk
N32UL 0.3 - 32A 480Y/277V AC 6
N63UL 40 - 63A 240V AC 6
UL/DL Series Accessories
Auxiliary Contact, Alarm Switch
Shunt Trip
Neutral Pole
8.8 mm 63.8 mm
6 mm
45 mm
87 mm
52.7 mm
17.7 mm
51.5mm
37.5mm
25.5mm
52.5mm
45mm
34.5mm
36.5mm 36.8mm
105.3mm
6mm 7mm
8mm
14.5mm
17.5mm 30.5mm
51.5mm
68.4mm
4mm
89.5 mm
45 mm
ca. 180-200
45 mm
17.5 mm
21.8 mm
AWG 23
6 mm
68.4 mm
43.6 mm
45 mm
88 mm
9 mm
68.4 mm
43.8 mm
63.8 mm
6 mm12.4 mm
LISTED
C.B. ACC.
3NY7
C US
E335632
For mounting instructions please refer to page 43.
Dimensions HxxUL.
Dimensions HLS11L.
Dimensions NxxUL, FAxxUL
Dimensions UA120UL
Type/ Cat No. Line Voltage VEStd Pk
UA120UL 120V AC, 60Hz 5
Reset-Hold Voltage = 0.85 x VE
Drop-Out Voltage = 0.35 ~ 0.7 x VE
VE= Rated Voltage
* UL not approved.
Undervoltage Trip*
Type/ Cat No. Std Pk
E983419 10
Mounting Screw 34mm
to connect the auxiliary contact and shunt
trip or neutral Pole to the circuit breaker.
Type/ Cat No. Std Pk
EASS 10
Type/ Cat No. Std Pk
15.960 1
Lock-out Adapter**
Type/ Cat No. Std Pk
BS.UL 100
Touch Protection Caps
to cover the terminal screw holes on
the switching devices, neutral Poles
and shunt trips for increased touch
protection.
Cooling Spacer
** UL and DL series can also be locked in the on and off position by simply using
a common lead or meter seal, which gets fed through the hole in the handle
and a corresponding hole in the housing.
1/4”1/4”1/4”
CircuitProtection_2016.QXD_CircuitProtection 4/4/16 12:22 PM Page 16
UL 489ANNEX UL 508UL 1077
UL 1077
Equipment Breakers
Earth Leakage
Circuit Breakers
Altech Corp.®• 35 Royal Road • Flemington, NJ 08822-6000 • P 908.806-9400 • F 908.806.9490 • www.altechcorp.com 17
“C” Magnetic Trip Parameters
Rated current 0.3A to 63A.
1. Hold for a minimum of 100ms at
surge of 5 times rated current.
2. Trip in under 100ms at 10 times
rated current.
“D” Magnetic Trip Parameters
Rated current 0.3A to 63A.
1. Hold for a minimum of 100ms at
surge of 10 times rated current.
2. Trip in under 100ms at 16 times
rated current.
10-3
4x10-3
10-2
4x10-2
10-1
0.4
1
4
10
1
4
10
40
60
123456810 20 40 100
Multiple of Rated Current
Seconds Minutes
Tripping time t
Thermal Overload
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
1.05-1.35xIN
0.3A Through 10A Rated Current
10-3
4x10-3
10-2
4x10-2
10-1
0.4
1
4
10
1
4
10
40
60
123456810 20 40 100
Multiple of Rated Current
Seconds Minutes
Tripping time t
Thermal Overload
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
1.05-1.35xIN
12A Through 63A Rated Current
1.05-1.35xIN
123456810 20 40 100
Multiple of Rated Current
10-3
4x10-3
10-2
4x10-2
10-1
0.4
1
4
10
1
4
10
40
60
Seconds Minutes
Tripping time t
16
Thermal Overload
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
0.3A Through 10A Rated Current
10-3
4x10-3
10-2
4x10-2
10-1
0.4
1
4
10
1
4
10
40
60
12345 166 8 10 20 40 100
Multiple of Rated Current
Seconds Minutes
Tripping time t
Thermal Overload
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
1.05-1.35xIN
12A Through 63A Rated Current
UL Series (AC) Trip Curves
C (AC) Trip Curve D (AC) Trip Curve
CircuitProtection_2016.QXD_CircuitProtection 4/4/16 12:22 PM Page 17
UL 489ANNEX UL 508UL 1077
UL 1077
Equipment Breakers
Earth Leakage
Circuit Breakers
Altech Corp.®• 35 Royal Road • Flemington, NJ 08822-6000 • P 908.806-9400 • F 908.806.9490 • www.altechcorp.com
18
10-3
4x10-3
10-2
4x10-2
10-1
0.4
1
4
10
1
4
10
40
60
12345678 10 14 20 40 100
Multiple of Rated Current
Seconds Minutes
Tripping time t
Thermal Overload
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
1.05-1.35xIN
0.3A Through 10A Rated Current
1.05-1.35xIN
1234578 10 20 40 100
Multiple of Rated Current
10-3
4x10-3
10-2
4x10-2
10-1
0.4
1
4
10
1
4
10
40
60
Seconds Minutes
Tripping time t
14
Thermal Overload
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
12A Through 63A Rated Current
10-3
4x10-3
10-2
4x10-2
10-1
0.4
1
4
10
1
4
10
40
60
123456810 14 22.4 40 100
Multiple of Rated Current
Seconds Minutes
Tripping time t
Thermal Overload
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
1.05-1.35xIN
0.3A Through 10A Rated Current
10-3
4x10-3
10-2
4x10-2
10-1
0.4
1
4
10
1
4
10
40
60
12345 146 8 10 22.4 40 100
Multiple of Rated Current
Seconds Minutes
Tripping time t
Thermal Overload
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
1.05-1.35xIN
12A Through 63A Rated Current
UL Series (DC) Trip Curves
C (DC) Trip Curve D (DC) Trip Curve
“C” Magnetic Trip Parameters
Rated current 0.3A to 63A.
1. Hold for a minimum of 100ms at
surge of 7 times rated current.
2. Trip in under 100ms at 14 times
rated current.
“D” Magnetic Trip Parameters
Rated current 0.3A to 63A.
1. Hold for a minimum of 100ms at
surge of 14 times rated current.
2. Trip in under 100ms at 22.4 times
rated current.
CircuitProtection_2016.QXD_CircuitProtection 4/4/16 12:22 PM Page 18
UL 489ANNEX UL 508UL 1077
UL 1077
Equipment Breakers
Earth Leakage
Circuit Breakers
Altech Corp.®• 35 Royal Road • Flemington, NJ 08822-6000 • P 908.806-9400 • F 908.806.9490 • www.altechcorp.com 19
Short Circuit Current I [kA]
Time Basis:
t=8.3ms
UL/ DL Series Internal Resistance
UL Series Let-through Energy I2t Diagram, D Trip 1 pole
Rated Current Trip Characteristic
(A) CD
(Ohm) (Ohm)
0.3 16.8620 16.8620
0.5 6.8540 6.0009
1.0 1.7000 1.7560
1.6 0.5870 0.5870
2.0 0.4190 0.4190
3.0 0.2020 0.2020
4.0 0.1090 0.1090
5.0 0.0654 0.0654
6.0 0.0528 0.0491
8.0 0.0278 0.0240
10 0.0216 0.0187
12 0.0084 0.0085
13 0.0084 0.0085
15/ 16 0.0085 0.0076
20 0.0067 0.0064
25 0.0050 0.0041
30/ 32 0.0032 0.0027
40 0.0025 0.0022
50 0.0019 0.0018
60/ 63 0.0018 0.0017
For other Trip/Pole
configurations use the
following correction factors:
C Trip 1 pole + 0.84 x curve value
C Trip 2 pole + 0.71 x curve value
C Trip 3 pole + 0.92 x curve value
D Trip 1 pole + 1.00 x curve value
D Trip 2 pole + 0.87 x curve value
D Trip 3 pole + 1.08 x curve value
CircuitProtection_2016.QXD_CircuitProtection 4/4/16 12:22 PM Page 19
