SONG CHUAN
167
841
Contact Rating
Ordering Information
Type List
Features
□Heavy duty 30A 240VAC, 25A 240VAC power type.
□AC & DC coils are both available.
□PCB terminals and quick terminal types.
□Optional for special large contact gap 3.0mm version.
SPNO-ST & DPNO-ST contact configuration.
Designation
Terminal
style
Contact
form
Enlarge
spacing type Dust cover Flux tight Flanged cover Sealed type
washable
------- 841-S-1A-D 841-S-1A-C 841-S-1A-C1 841-S-1A-S
1A
(SPDM) H841-S-1A-D-H 841-S-1A-C-H 841-S-1A-C1-H 841-S-1A-S-H
------- 841-S-2A-D 841-S-2A-C 841-S-2A-C1 841-S-2A-S
S (Quick terminal)
2A
(DPDM) H841-S-2A-D-H 841-S-2A-C-H 841-S-2A-C1-H 841-S-2A-S-H
------- 841-P-1A-D 841-P-1A-C ------- 841-P-1A-S
1A
(SPDM) H841-P-1A-D-H 841-P-1A-C-H ------- 841-P-1A-S-H
------- 841-P-2A-D 841-P-2A-C ------- 841-P-2A-S
P (PCB terminal)
2A
(DPDM) H841-P-2A-D-H 841-P-2A-C-H ------- 841-P-2A-S-H
841 - S - 1A - F - C - H
1 2 3 4 5 6
1. 841 -- Basic series designation 5. C -- Flux tight
D -- Dust cover
2. S -- Quick terminal V -- Sealed type
P -- PCB terminals S -- Sealed type washable
C1 -- Flanged cover
3. 1A -- Form A, single-pole, double-make D1 -- Dust cover with flange
(SPDM) S1 -- Plastic sealed washable with flange
2A -- Form A, double-pole, double-make
(DPDM) 6. Blank -- Standard type
H -- Enlarged insulation spacing type
4. Blank -- Standard type
F -- Class F
Load type 1A (SPDM) 2A (DPDM)
Rated load (Resistive) 30A 220VAC 25A 220VAC
Max. Switching Current 30A 25A
Max. Switching Voltage 277VAC 277VAC
Max. Switching Capacity 6600VA 5500VA
□Comply with RoHS-Directive 2002/95/EC.
SONG CHUAN
168
841
Coil Rating (DC)
Coil Rating (AC)
Specification
Rated
voltage
(V)
Rated current
p10 % at 23oC
(mA)
Coil resistance
p10 % at 23oC
(7)
Max. continuous
voltage
at 70oC
Pick up
voltage(Max)
at 23oC
Drop out
voltage(Min)
at 23oC
Power consumption
at rated
voltage
3 638 4.7
6 319 18.8
12 160 75 160 % of 75 % of 10 % of
24 80 300 rated rated rated approx. 1.92W
48/50
40/41.6 1200 voltage voltage voltage
100 19.2 5200
110 17.4 6300
200 9.5 21000
Contact material AgSnO alloy
Contact resistance (1) 100 m7 Max.
Operate time (1) 30 ms Max.
Release time (1) 30 ms Max.
Insulation resistance (1) 1000 M7 Min. (DC 500V)
Between open contact : AC 2000V , 50/60Hz 1 min.
Dielectric strength (1) Between contact and coil : AC 4000V , 50/60Hz 1 min.
Between contact circuits : AC 2000V , 50/60Hz 1 min.
Operating extremes 10～55Hz , amplitude 1.5 mm
Vibration resistance
Damage limits 10～55Hz , amplitude 1.5 mm
Operating extremes 10G
Shock resistance
Damage limits 100G
Rated Rated current Coil resistance Max. continuous Pick up Drop out Power consumption
voltage +15/-20% at 23oC +15/-20% at 23oC voltage voltage(Max) voltage(Min) at rated
(V) (mA) (7) at 70oC at 23oC at 23oC voltage
6 275 15
12 138 75 80 % of 10 % of
24 74 300 rated rated approx.
48/50 39/40 1,200 voltage
rated
voltage voltage 1.7VA ~ 2.7VA
100/120 18.7/22.1 5,200
200/240 9.1/10.8 21,000
160 % of
SONG CHUAN
169
841
Safety Approval
Safety Approval Rating
Outline Dimensions
Note：(1) initial value.
5,000,000 operations
Mechanical
(frequency 18,000 operations/hr)
Life expectancy
100,000 operations
Electrical
(frequency 900 operations/hr)
Operating ambient temperature -55～+70°C (no freezing)
Weight Approx. 90 g
Certified UL / CUL TUV
File No. E88991 R9653713
UL / CUL TUV
1A 2A 1A 2A
30A 277VAC 25A 277VAC 30A 250VAC 25A 250VAC
TV-10 TV-10 25A 250VAC cosF0.4 25A 250VAC cosF0.4
10A 277VAC 10A 277VAC 30A 125VAC cosF0.4
1.5HP 20FLA, 125VAC 1HP 16FLA, 125VAC
3HP 14.1FLA, 277VAC 2HP 9.96FLA, 277VAC
◆841-S-2A (C,D,V,S)
65
1234
(2.028)
51.5
(1.374)
34.9
(0.315)
8
(1.575)
40
(0.177)
φ4.5
(1.433)
36.4
(0.567)
14.4
(0.138)
3.5
(0.031)
0.8
SONG CHUAN
170
841
◆841-P-2A (C,D,V,S)
65
13
24
(1.374)
34.9
(2.028)
51.5
(0.567)
14.4
(0.315)
8
(0.177)
φ4.5
(0.697)
17.7
(0.138)
3.5
(0.031)
0.8
(1.433)
36.4
(0.110)
2.8
(0.354)
9
(0.236)
6
◆841-S-1A (C,D,V,S) ◆841-P-1A (C,D,V,S)
40
(1.575)
1
6
4
5
(1.433)
36.4
10.4
(0.409)
6.35
(1.417)
36
(0.250)
(0.031)
0.8
40
(1.575)
1
6
4
5
(1.433)
36.4
2.8
(0.110)
9
(0.354)(1.417)
36
(0.031)
0.8
SONG CHUAN
171
841
◆841-S-1A (C1,D1,S1)
14
65
(2.028)
51.5
(1.374)
34.9
(0.177)
4.5
(2.362)
60
(2.669)
67.8
(1.433)
36.4
6.35
(0.250)
10.4
(0.409)(1.417)
36
(0.098)
2.5
(0.031)
0.8
◆841-S-2A (C1,D1,S1) 2
1
6
34
5
(2.028)
51.5
(1.374)
34.9
(0.177)
4.5
(2.362)
60
(2.669)
67.8
(0.031)
0.8
(1.433)
36.4
(0.567)
14.4
(0.409)
10.4
SONG CHUAN
172
841
Wiring Diagram
BOTTOM VIEW
Mounting Holes
BOTTOM VIEW
PC Board Layout
BOTTOM VIEW
2A 1A
1 4
6 5
3 4
1 2
6 5
◆841-S
◆841-P
2A 1A
(0.177)
(1.575)
40
φ4.5 -2 OR M4 TAPPED HOLES
(1.575)
40
(0.732)
18.6
3.3-41.1 X
(0.130)(0.043)
(1.433)
36.4
(1.433)
36.4
(0.567)
14.4
(0.697)
17.7
3.3-61.1 X
(0.130)(0.043)
◆841-S (C1,D1,S1)
φ4.5 -2 OR M4 TAPPED HOLES
(2.362)
60
(0.177)
SONG CHUAN
173
841
———— All specications subject to change. Please contact Song Chuan for update. ————
Engineering Data
◆841(1P)
◆841(2P)
Temperature rise (℃)
20
60
50
40
30
10
% of Nominal Coil Voltage (at 23℃)
1008060 160140120 180
80
70
90
100
Coil temperature rise
30A
Life expectancy
AC resistive load/Switching current(A)
10
0 5
6
Number of operations
5
10
10 7
10 15 20 25 30
220VAC
10 4
Temperature rise (℃)
30A
% of Nominal Coil Voltage (at 70℃)
10
60 80
50
30
20
40
70
60
120100 140 160 180
Coil temperature rise
Life expectancy
AC resistive load/Switching current(A)
10
0 5
6
Number of operations
5
10
10 7
10 15 20 25 30
220VAC
10 4
Temperature rise (℃)
% of Nominal Coil Voltage (at 70℃)
10
60 80
50
30
20
40
70
60
120100 140
25A
160 180
Coil temperature rise
Temperature rise (℃)
60
50
40
30
% of Nominal Coil Voltage (at 23℃)
1008060 160140120 180
80
70
90
Coil temperature rise
25A
3
avg
min
max
1
14013012011090 10070
2
80 150 160
10
min
avg
max
180170
Operate time
Release time
12
14
20
18
16
28
30
32
26
24
22
38
36
34
8
6
Operate time/Release time
Time (ms)
% of Nominal coil voltage (at 23℃)
2
avg
min
max
0
14013012011090 10070
1
80 150 160
10
min
avg
max
180170
Operate time
Release time
12
14
20
18
16
28
30
32
26
24
22
38
36
34
8
6
Operate time/Release time
Time (ms)
% of Nominal coil voltage (at 23℃)
