SONG CHUAN
731
Features
10A general purpose Power Relay.
SPDT, DPDT, TPDT contact configurations.
AC & DC coils are both available.
Optional for anti-rotation tab, tapped core, indicator
lamp & push-to-test button, flanged cover.
Complies with RoHS-Directive 2011/65/EU.
Type List
731
Terminal
style
Contact
form
1A (SPNO)
1C (SPDT)
Enclosure style
Open type
731-SPNO
731-SPDT
731-DPNO
731-DPDT
731-TPNO
731-TPDT
Dust cover
731-SPNO-C
731-SPDT-C
731-DPNO-C
731-DPDT-C
731-TPNO-C
731-TPDT-C
Ears on cover
731-SPNO-C1
731-SPDT-C1
731-DPNO-C1
731-DPDT-C1
731-TPNO-C1
731-TPDT-C1
Antirotation
-tab
731-SPNO-C2
731-SPDT-C2
731-DPNO-C2
731-DPDT-C2
731-TPNO-C2
731-TPDT-C2
Ears on top
731-SPNO-C3
731-SPDT-C3
731-DPNO-C3
731-DPDT-C3
731-TPNO-C3
731-TPDT-C3
Quick terminal
2A (DPNO)
2C (DPDT)
3A (TPNO)
3C (TPDT)
731H
Terminal
style
Contact
form
1A (SPNO)
1C (SPDT)
Quick terminal
2A (DPNO)
2C (DPDT)
3A (TPNO)
3C (TPDT)
Dust cover
731H-SPNO-C
731H-SPDT-C
731H-DPNO-C
731H-DPDT-C
731H-TPNO-C
731H-TPDT-C
Enclosure style
Ears on cover
731H-SPNO-C1
731H-SPDT-C1
731H-DPNO-C1
731H-DPDT-C1
731H-TPNO-C1
731H-TPDT-C1
Ears on top
731H-SPNO-C3
731H-SPDT-C3
731H-DPNO-C3
731H-DPDT-C3
731H-TPNO-C3
731H-TPDT-C3
Ordering Information
731
1
1. 731
-
2
TPDT
3
-
4
5
-
6
DPDT
DPNO
DPNC
TPDT
TPNO
TPNC
7
--
--
--
--
--
--
Double pole double throw
Double pole normally open
Double pole normally closed
Three pole double throw
Three pole normally open
Three pole normally closed
-- 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
180
SONG CHUAN
731
4. Blank -- Open type without frame tab
C
-- With cover
C1
-- With mounting ears on cover
C2
C3
X
-- With accessible mounting hole with
anti-rotation tab
-- Mounting Ears on top of cover
-- Open type with frame tab
T
L
6. Blank
F
7.
-- Printed circuit board terminals
-- Pilot lamp
-- Standard type
-- Class F
-- Coil voltage (please refer to the
coil rating data for the availability)
5.
Blank
--
No special feature
-- With manual operator
M
Contact Rating
731
Resistive load
10A 28VDC
10A 240VAC
731H 1P 2P
20A 300VAC
25A 277VAC
731H 3P
16A 300VAC
20A 277VAC
Coil Rating (DC)
Rated
voltage
(V)
6
12
24
48
110
120
Rated current
10 % at 23°C
(mA)
188
100
51
27
11
12
Coil resistance Max. continuous
10 % at 23°C
( )
32
120
472
1800
10000
10000
140 % of
rated
voltage
75 % of
rated
voltage
10 % of
rated
voltage
approx. 1.2W
voltage
at 70°C
Pick up
Drop out
Power consumption
at rated
voltage
voltage(Max.) voltage(Min.)
at 23°C
at 23°C
Coil Rating (AC)
Rated
voltage
(V)
12
24
110
SP
DP
115
120
220
230
240
Coil resistance
10 % at 23°C
( )
21
85
1700
1700
2250
7200
7200
9110
110 % of
rated
voltage
85 % of
rated
voltage
30 % of
rated
voltage
approx. 2.0VA
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
181
SONG CHUAN
731
Coil Rating (AC)
Rated
voltage
(V)
12
24
110
TP
115
120
220
230
240
Coil resistance
10 % at 23°C
( )
18
72
1300
1300
1700
5600
5600
7200
110 % of
rated
voltage
85 % of
rated
voltage
30 % of
rated
voltage
approx. 2.7VA
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
Specification
Contact material
Contact resistance
(1)
Operate time
Release time
(1)
(1)
(1)
AgSnO alloy
50m
Max. (for 731) ; 100m
Max. (for 731H) (1A/6VDC by 4 pipes m
meter)
20 ms Max.
20 ms Max.
1000 M
Min. (DC 500V)
:
AC 500V , 50/60Hz 1 min.
:
AC 1000V , 50/60Hz 1 min.
(for 731)
(for 731H)
(for 731)
(for 731H)
(for 731)
(for 731H)
Insulation resistance
Between open contact
Dielectric strength
(1)
Between contact and coil
:
AC 1500V , 50/60Hz 1 min.
:
AC 2500V , 50/60Hz 1 min.
Between contact circuits
:
AC 1500V , 50/60Hz 1 min.
:
AC 2500V , 50/60Hz 1 min.
Vibration resistance
Operating extremes
Damage limits
10
10
10G
55Hz , amplitude 1.0 mm
55Hz , amplitude 1.5 mm
Shock resistance
Operating extremes
Damage limits
Mechanical
100G
10,000,000 operations (frequency 18,000 ops./hr)
100,000 operations (frequency 1,200 ops./hr) (for 731)
50,000 operations (frequency 360 ops./hr)
(for 731H)
Life expectancy
Electrical
-45
+70°C (no freezing)
+55°C (no freezing)
+65°C (no freezing)
Approx. 79.2 g
(for 731)
(for 731H)
Operating ambient temperature
AC coil : -45
DC coil : -45
Weight
Note
(1) Initial value. Operate and release time excluding contact bounce.
182
SONG CHUAN
731
Safety Approval
Certified
UL / CUL
File No.
E88991
731
CSA
1663800
731H
UL / CUL
E88991
Safety Approval Rating
731
UL / CUL CSA
10A 240VAC
10A 28VDC
1/3HP 120VAC
1/2HP 240VAC
20A 300VAC
25A 277VAC
1.5HP 240VAC
1HP 120VAC
731H 1P
2P
UL / CUL
16A 300VAC
20A 277VAC
1.5HP 240VAC
1HP 120VAC
731H 3P
Outline Dimensions
731 OPEN
33MAX
(0.173)
4.4
(1.299)
50.8
(2.000)
5.3
(0.209)
7.6
(0.299)
8.3
(0.327)
731 M
(0.240)
4.2
(0.165)
6.1
11.1
11.1
(0.437) (0.437)
(0.327)
(0.299)
(0.154)
(1.096)
27.85
(0.209)
3.9
5.3
7.6
8.3
(0.437) (0.437)
11.1
11.1
183
SONG CHUAN
731
731 C
(1.496)
(0.189)
38
4.8
(0.240)
6.1
11.1
11.1
(0.437) (0.437)
(1.378)
(0.020)
0.5
(0.209)
35
5.3
47.6
(1.874)
7.5
(0.295)
55.1
(2.169)
731 T
10.6
(0.417)
731 C2
(0.047)
1.2
4
(0.157)
36.3
(1.429)
731 C1
69.85
(2.750)
8.3
63.5
(2.500)
(0.327)
7.6
(0.299)
(0.156)
3.96
(0.437) (0.437)
(0.630)
16
11.1
11.1
5.3
6.1
(0.240)
(0.209)
184
(0.299)
7.6
(0.327)
8.3
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