SONG CHUAN
206
731
Ordering Information
Type List
Features
ϭ10A general purpose Power Relay.
ϭBoth available 0.25 and 0.187 terminals.
ϭSPDT, DPDT, TPDT contact configurations.
ϭAC & DC coils are both available.
ϭOptional for anti-rotation tab, tapped core, indicator
lamp & push-to-test button, flanged cover.
Ϭ731
Enclosure styleʳ
Terminal ʳ
styleʳ
Contact ʳ
formʳOpen typeʳDust coverʳEars on coverʳAntirotation
-tabʳEars on topʳ
1A (SPNO) 731-SPNO 731-SPNO-C 731-SPNO-C1 731-SPNO-C2 731-SPNO-C3
1C (SPDT) 731-SPDT 731-SPDT-C 731-SPDT-C1 731-SPDT-C2 731-SPDT-C3
2A (DPNO) 731-DPNO 731-DPNO-C 731-DPNO-C1 731-DPNO-C2 731-DPNO-C3
Quick terminal
2C (DPDT) 731-DPDT 731-DPDT-C 731-DPDT-C1 731-DPDT-C2 731-DPDT-C3
3A (TPNO) 731-TPNO 731-TPNO-C 731-TPNO-C1 731-TPNO-C2 731-TPNO-C3
3C (TPDT) 731-TPDT 731-TPDT-C 731-TPDT-C1 731-TPDT-C2 731-TPDT-C3
Ϭ731H
Enclosure styleʳ
Terminal ʳ
styleʳ
Contact ʳ
formʳDust coverʳEars on coverʳEars on topʳ
1A ( SPNO) 731H-SPNO-C 731H-SPNO-C1 731H-SPNO-C3
1C (SPDT) 731H-SPDT-C 731H-SPDT-C1 731H-SPDT-C3
2A (DPNO) 731H-DPNO-C 731H-DPNO-C1 731H-DPNO-C3
Quick terminal
2C (DPDT) 731H-DPDT-C 731H-DPDT-C1 731H-DPDT-C3
3A (TPNO) 731H-TPNO-C 731H-TPNO-C1 731H-TPNO-C3
3C (TPDT) 731H-TPDT-C 731H-TPDT-C1 731H-TPDT-C3
731 H - TPDT - C M - F
12 3 45 6
DPDT -- Double pole double throw
DPNO -- Double pole normally open
DPNC -- Double pole normally closed
TPDT -- Three pole double throw
TPNO -- Three pole normally open
TPNC -- Three pole normally closed
1. 731 -- Basic series designation
2. Blank -- Standard type
H -- High power type
3. SPDT -- Single pole double throw
SPNO -- Single pole normally open
SPNC -- Single pole normally closed
ϭComply with RoHS-Directive 2002/95/EC.
SONG CHUAN
207
731
Contact Rating
Coil Rating (DC)
Coil Rating (AC)
5. M -- With manual operator
T -- Printed circuit board terminals
L -- Pilot lamp
6. Blank -- Standard type
F -- Class F
4. Blank -- Open type without frame tab
C -- With cover
C1 -- With mounting ears on cover
C2 -- With accessible mounting hole with
anti-rotation tab
C3 -- Mounting Ears on top of cover
X -- Open type with frame tab
731 731H 1PΕ2P 731H 3P
Resistive load 10A 28VDC 20A 300VAC 16A 300VAC
10A 240VAC 25A 277VAC 20A 277VAC
Rated
voltage
(V)
Rated current
p10 % at 23°Cʳ
(mA)ʳ
Coil resistance
p10 % at 23°Cʳ
(7)
Max. continuous
voltage
at 70°C
Pick up
voltage(Max)
at 23°C
Drop out
voltage(Min)
at 23°C
Power consumption
at rated
voltage
6 188 32
12 100 120
24 51 472
48 27 1800
approx. 1.2W
110 11 10000
120 12 10000
140 % of
rated
voltage
75 % of
rated
voltage
10 % of
rated
voltage
Rated
voltage
(V)
Coil resistance
p10 % at 23°C
(7)
Max. continuous
voltage
at 70°C
Pick up
voltage(Max)
at 23°C
Drop out
voltage(Min)
at 23°C
Power consumption
at rated
voltage
12 21
24 85
110 1700
SP 115 1700
DP 120 2250
approx. 2.0VA
220 7200
110 % of
rated
voltage
85 % of
rated
voltage
30 % of
rated
voltage
230 7200
240 9110
SONG CHUAN
208
731
Specification
Rated
voltage
(V)
Coil resistance
p10 % at 23°C
(7)
Max. continuous
voltage
at 70°C
Pick up
voltage(Max)
at 23°C
Drop out
voltage(Min)
at 23°C
Power consumption
at rated
voltage
12 18
24 72
110 1300
115 1300
TP
120 1700
approx. 2.7VA
220 5600
110 % of
rated
voltage
85 % of
rated
voltage
30 % of
rated
voltage
230 5600
240 7200
NoteΚ(1) initial value.
Contact material AgSnO alloy
Contact resistance (1) 50 m7 Max. (for 731) 100 m7 Max. (for 731H)
Operate time (1) 20 ms Max.
Release time (1) 20 ms Max.
Insulation resistance (1) 1000 M7 Min. (DC 500V)
Between open contact : AC 500V , 50/60Hz 1 min. (for 731)
: AC 1000V , 50/60Hz 1 min. (for 731H)
Between contact and coil : AC 1500V , 50/60Hz 1 min. (for 731)
Dielectric strength (1)
: AC 2500V , 50/60Hz 1 min. (for 731H)
Between contact circuits : AC 1500V , 50/60Hz 1 min. (for 731)
: AC 2500V , 50/60Hz 1 min. (for 731H)
Operating extremes 10Д55Hz , amplitude 1.0 mm
Vibration resistance
Damage limits 10Д55Hz , amplitude 1.5 mm
Operating extremes 10G
Shock resistance
Damage limits 100G
Mechanical 10,000,000 operations (frequency 18,000 ops./hr)
Life expectancy 100,000 operations (frequency 1,200 ops./hr) (for 731)
Electrical
50,000 operations (frequency 360 ops./hr) (for 731H)
-45Д+70°C (no freezing) (for 731)
Operating ambient temperature AC coil : -45Д+55°C (no freezing)
DC coil : -45Д+65°C (no freezing)
(for 731H)
Weight Approx. 79.2 g
Coil Rating (AC)
SONG CHUAN
209
731
Safety Approval
Safety Approval Rating
Outline Dimensions
731 731H
UL CSA FIMKO UL / CUL
File No. E88991 1663800 23797 E88991
Certified
731 731H 1PΕ2P 731H 3P
ULΕCSA FIMKO UL / CUL
10A 240VAC 10A 250VAC 20A 300VAC 16A 300VAC
10A 28VDC 25A 277VAC 20A 277VAC
1/3HP 120VAC 1.5HP 240VAC 1.5HP 240VAC
1/2HP 240VAC 1HP 120VAC 1HP 120VAC
Ϭ731 OPEN
33MAX
(1.299)
4.4
(0.173)
(0.437)
11.1
8.3
(0.327)
7.6
(0.299)
(0.437)
11.1
5.3
(0.209)
(2.000)
50.8
Ϭ731 M
(0.437)
11.1
8.3
(0.327)
7.6
(0.299)
(0.437)
11.1
6.1
(0.240)
5.3
(0.209)
(0.165)
4.2
3.9
(0.154)
27.85
(1.096)
SONG CHUAN
210
731
Ϭ731 C
(0.437)
11.1
8.3
(0.327)
7.6
(0.299)
(0.437)
11.1
6.1
(0.240)
5.3
(0.209)
4.8
(0.189)
38
(1.496)
0.5
(0.020)
35
(1.378)
(2.169)
55.1
(1.874)
47.6
(0.295)
7.5
Ϭ731 T
Ϭ731 C1
Ϭ731 C2
1.2
(0.047)
(0.157)
4
(0.417)
10.6
(1.429)
36.3
(0.437)
11.1
8.3
(0.327)
7.6
(0.299)
(0.437)
11.1
6.1
(0.240)
5.3
(0.209)
(2.750)
69.85
16
(0.630)
3.96
(0.156)
(2.500)
63.5
SONG CHUAN
211
731
Ϭ731 C3
(0.437)
11.1
(0.437)
11.1
6.1
(0.240)
5.3
(0.209)
8.3
(0.327)
7.6
(0.299)
12.7
(0.500)
(2.530)
64.26
(2.150)
54.61
3.55
(0.140)
(0.189)
4.8
47.6
(1.874)
(1.496)
38
1.6
(0.063)
7.8
(0.307)
Wiring Diagram
BOTTOM VIEW
BOTTOM VIEW
SPDT DPDT
SPNO DPNO
DPNC TPNC
TPNO
SPNC
TPDT
7
5
A B
4
7
6
9
A B
4
7
A
5
8
6
9
B
1
7
A
2
8
3
9
B
1
7
3
9
A B
1
4
7
3
6
9
A B
1
4
7
A
2
5
8
3
6
9
B
7
2
5
A B
7
2
A B
PC Board Layout
1P 2P
(0.327)
(0.299)
8.37.6
(0.299)
7.6
Ø1.6-8
(0.063)
Ø1.6-5
(0.063)
(0.240)
(0.209)
5.3 6.1
(0.240)
(0.209)
5.3 6.1
(0.874)
(0.437)
(0.437)
11.111.1
(0.327)
8.3
22.2
SONG CHUAN
212
731
Ϭ731 H
Life expectancy
AC/DC resistive load/Switching current(A)
10
01
6
Number of operations
5
10
10 7
246 810
10 4
240VAC/28VDC
90
Temperature rise (ʨ)
25A
% of Nominal Coil Voltage (at 65ʨ)
10
100 110
50
30
20
40
70
60
80
130120 140
20A
16A
Coil temperature rise
100
15090
Temperature rise (ʨ)
20
60
50
40
30
10
% of Nominal Coil Voltage (at 23ʨ)
80
70
90
100
Coil temperature rise
25A
16A
20A
90 150140120 130110100
3
5
avg
min
max
2
14013012011090 10070
4
80 150 160
10
min
avg
max
Operate time
Release time
12
14
20
18
16
28
30
32
26
24
22
38
36
34
Operate time/Release time
Time (ms)
% of Nominal coil voltage (at 23ʨ)
Engineering Data
Ϭ731
Temperature rise (ʨ)
% of Nominal Coil Voltage (at 70ʨ)
10
90 100
50
30
20
40
70
60
120110 130 140 150
10A
Coil temperature rise
Temperature rise (ʨ)
20
60
50
40
30
10
% of Nominal Coil Voltage (at 23ʨ)
80
70
Coil temperature rise
10A
150140130110 12010090
(0.437)
(0.327)
(0.299)
(0.437)
(0.240)
(0.209)
3P
8.37.6
Ø1.6-11
(0.063)
5.3 6.1
11.111.1
SONG CHUAN
213
———— All specifications subject to change. Please contact Song Chuan for update. ————
Life expectancy(1C/2C)
AC resistive load/Switching current(A)
10
012
6
Number of operations
5
10
10 7
14 16 18 20 25
10 4
277VAC
300VAC
277VAC
AC resistive load/Switching current(A)
10
10
10
10
Number of operations
Life expectancy(3C)
120
4
5
10
300VAC
6
7
14 16 18 20
3
5
avg
min
max
2
14013012011090 10070
4
80 150 160
10
min
avg
max
Operate time
Release time
12
14
20
18
16
28
30
32
26
24
22
38
36
34
Operate time/Release time
Time (ms)
% of Nominal coil voltage (at 23ʨ)
731
213
