239
DK-RELAYS
MINIATURE POWER RELAY
1a 1a1b
mm inch
12.5
.492
10
.394
20
.787 15
.591
10
.394
20
.787
FEATURES
• Large capacity in small size: 10 A 250 V AC (1a)
• High sensitivity: 200 mW nominal operating power
• High breakdown voltage 4,000 Vrms between contacts and
coil 1,000 Vrms between open contacts Meeting FCC P art 68
• Sealed construction
• Latching types available
SPECIFICATIONS
Contact
Coil
Remarks
* Specifications will vary with foreign standards certification ratings.
*
1
Measurement at same location as "Initial breakdown voltage" section
*
2
Detection current: 10 mA
*
3
Wave is standard shock voltage of
±
1.2
×
50
µ
s according to JEC-212-1981
*
4
Excluding contact bounce time
*
5
Half-wave pulse of sine wave: 11ms; detection time: 10
µ
s
*
6
Half-wave pulse of sine wave: 6ms
*
7
Detection time: 10
µ
s
*
8
Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61).
Characteristics
Arrangement 1 Form A 2 Form A,
1 Form A
1 Form B
Initial contact resistance, max.
(By voltage drop 6 V DC 1A) 30 m
Ω
Contact material Gold flash over silver alloy
Rating
(resistive)
Nominal
switching capacity 10 A 250 V AC
10 A 30 V DC 8 A 250 V AC
8 A 30 V DC
Max. switching
power 300 W, 2,500 V A 240 W, 2,000 VA
Max. switching
voltage 250 V AC ,
30 V DC 250 V AC ,
30 V DC
Max. switching
current 10 A 8 A
Expected
life (min.
operations)
Mechanical 5
×
10
7
Electrical
(resistive) 10
5
(10 A 250 V AC,
10 A 30 V DC)
10
5
(8 A 250 V AC,
8 A 30 V DC)
Nominal operating power 200 mW
Max. operating speed 20 cpm (at rated load)
Initial insulation resistance*
1
Min. 1,000 m
Ω
(at 500 V DC)
Initial
breakdown
voltage*
2
Between open
contacts 1,000 Vrms
Between contacts
and coil 4,000 Vrms
Surge voltage between coil and
contact*
3
Min. 10,000 V
Operate time*
4
(at nominal voltage) Max. 10 ms (Approx. 5 ms)
Release time (without diode)*
4
(at nominal voltage) Max. 8 ms (Approx. 3 ms)
Temperature rise
(at nominal voltage) Max. 40
°
C with nominal coil voltage
and at 10 A switching current
Shock
resistance Functional*
5
Min. 98 m/s
2
{10 G}
Destructive*
6
Min. 980 m/s
2
{100 G}
Vibration
resistance
Functional*
7
88.2 m/s
2
{9 G}, 10 to 55 Hz
at double amplitude of 1.5 mm
Destructive 176.4 m/s
2
{18 G}, 10 to 55 Hz
at double amplitude of 3.0 mm
Conditions for oper-
ation, transport and
storange*
8
(Not freezing and
condensing at low
temperature)
Ambient
temp. –40
°
C to +65
°
C
–40
°
F to +149
°
F
Humidity 5 to 85% R.H.
Unit
weight
1 Form A Approx. 5.6 g .20 oz
1 Form A 1 Form B,
2 Form A Approx. 6 g .21 oz
TYPICAL
APPLICATIONS
• Switching power supply
• Power switching for various
OA equipment
• Control or driving relays for industrial
machines (robotics, numerical control
machines, etc.)
• Output relays for programmable logic
controllers, temperature controllers,
timers and so on.
• Home appliances
ORDERING INFORMATION
Ex. DK
Note: Standard packing Carton: 50 pcs.; Case: 500 pcs.
UL/CSA, TÜV approved type is standard.
1a L2 12V
Contact arrangement
1a: 1 Form A
2a: 2 Form A
1a1b: 1 Form A 1 Form B
Nil: Single side stable
L2: 2 coil latching 3, 5, 6, 9, 12, 24V
Operating function Coil voltage