SONG CHUAN
735
Features
20A/25A general purpose Power Relays.
SPDT, DPDT, TPDT contact configurations.
DC & AC coils are both available.
Optional for flange covers, tapped core w/anti-rotation
tab, indicator lamp, push-to-test button, PCB terminals
.
Comply with RoHS-Directive 2011/65/EU.
Type List
Standard Type
Terminal
style
Contact
form
1A (SPNO)
1B (SPNC)
1C (SPDT)
2A (DPNO)
Enclosure style
Open type
735-1A
735-1B
735-1C
735-2A
735-2B
735-2C
735-3A
735-3B
735-3C
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Dust cover
735-1A-C
735-1B-C
735-1C-C
735-2A-C
735-2B-C
735-2C-C
735-3A-C
735-3B-C
735-3C-C
735-1A-C-T
735-1B-C-T
735-1C-C-T
735-2A-C-T
735-2B-C-T
735-2C-C-T
735-3A-C-T
735-3B-C-T
735-3C-C-T
Ears on cover
735-1A-C1
735-1B-C1
735-1C-C1
735-2A-C1
735-2B-C1
735-2C-C1
735-3A-C1
735-3B-C1
735-3C-C1
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Antirotation-tab
735-1A-C2
735-1B-C2
735-1C-C2
735-2A-C2
735-2B-C2
735-2C-C2
735-3A-C2
735-3B-C2
735-3C-C2
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Ears on top
735-1A-C3
735-1B-C3
735-1C-C3
735-2A-C3
735-2B-C3
735-2C-C3
735-3A-C3
735-3B-C3
735-3C-C3
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Quick terminal
2B (DPNC)
2C (DPDT)
3A (TPNO)
3B (TPNC)
3C (TPDT)
1A (SPNO)
1B (SPNC)
1C (SPDT)
2A (DPNO)
PCB terminal
2B (DPNC)
2C (DPDT)
3A (TPNO)
3B (TPNC)
3C (TPDT)
High Power Type
Terminal
style
Contact
form
1A (SPNO)
1B (SPNC)
Quick terminal
1C (SPDT)
2A (DPNO)
2B (DPNC)
2C (DPDT)
F
Insulation
system
Enclosure style
Dust cover
735H-1A-F-C
735H-1B-F-C
735H-1C-F-C
735H-2A-F-C
735H-2B-F-C
735H-2C-F-C
Ears on cover
735H-1A-F-C1
735H-1B-F-C1
735H-1C-F-C1
735H-2A-F-C1
735H-2B-F-C1
735H-2C-F-C1
213
SONG CHUAN
735
Ordering Information
735
1
1. 735
-
2
2C
3
-
4
-
5
-
6
5. Blank
C
C1
C2
C3
6. Blank
M
T
L
7.
7
-- Open type
-- With cover
-- With mounting ears on cover
-- With accessible mounting hole with
anti-rotation tab
-- Mounting ears on top of cover
-- No special feature
-- With manual operator
-- Printed circuit board terminals
-- Pilot lamp
-- Coil voltage (please refer to the
coil rating data for the availability)
-- Basic series designation
2. Blank -- Standard type
H
-- High power type
3. 1A
1B
1C
2A
2B
2C
3A
3B
3C
4. Blank
F
-- Single pole normally open
-- Single pole normally closed
-- Single pole double throw
-- Double pole normally open
-- Double pole normally closed
-- Double pole double throw
-- Three pole normally open
-- Three pole normally closed
-- Three pole double throw
-- Standard type
-- Class F
Contact Rating
TYPE
Resistive load
735
1A, 1B, 1C, 2A, 2B, 2C
20A 240VAC
15A 28VDC
3A, 3B, 3C
20A 120VAC
15A 240VAC/28VDC
735H
30A 240VAC
15A 28VDC
Coil Rating (DC)
Standard Type
Rated
voltage
(V)
6
12
SP
DP
24
48
110
125
6
12
TP
24
48
110
125
Rated current
10
%
at 23°C
(mA)
188
100
51
27
11
12.5
250
125
63
31
11.5
13
Coil resistance Max. continuous
10
%
at 23°C
( )
32
120
472
1800
10000
10000
24
96
384
1536
9600
9600
approx. 1.5W
130 % of
rated
voltage
80 % of
rated
voltage
10 % of
rated
voltage
approx. 1.2W
voltage
at 50°C
Pick up
at 23°C
Drop out
at 23°C
Power consumption
at rated
voltage
voltage(Max.) voltage(Min.)
214
SONG CHUAN
735
High Power Type
Rated
voltage
(V)
6
12
24
48
110
125
Rated current
±10
%
at 23°C
(mA)
188
100
51
27
11
12.5
Coil resistance Max. continuous
±10
%
at 23°C
(Ω)
32
120
472
1800
10000
10000
100 % of
rated
voltage
80 % of
rated
voltage
10 % of
rated
voltage
approx. 1.2W
voltage
at 55°C
Pick up
Drop out
Power consumption
at rated
voltage
voltage(Max.) voltage(Min.)
at 23°C
at 23°C
Coil Rating (AC)
Standard Type
Rated
voltage
(V)
6
12
24
SP
DP
120
220
240
6
12
24
TP
110
120
220
240
1700
5850
7200
3.9
14.5
64
1450
1540
5850
6750
approx. 3.4VA
110 % of
rated
voltage
85 % of
rated
voltage
30 % of
rated
voltage
110
Coil resistance
10 % at 23°C
( )
4.2
18
72
1580
approx. 3.0VA
Max. continuous
voltage
at 50°C
Pick up
voltage(Max.)
at 23°C
Drop out
voltage(Min.)
at 23°C
Power consumption
at rated
voltage
High Power Type
Rated
voltage
(V)
6
12
24
110
120
220
240
Coil resistance
±10
% at 23°C
(Ω)
4.2
18
72
1580
1700
5850
7200
100 % of
rated
voltage
85 % of
rated
voltage
30 % of
rated
voltage
approx. 3.4VA
Max. continuous
voltage
at 55°C
Pick up
voltage(Max.)
at 23°C
Drop out
voltage(Min.)
at 23°C
Power consumption
at rated
voltage
215
SONG CHUAN
735
Specification
Contact material
Contact resistance
(1)
Operate time
(1)
Release time
(1)
Insulation resistance
(1)
AgSnO alloy
50mΩ Max.(for 735) ; 100mΩ Max.(for 735H) (1A/6VDC by 4 pipes m
meter)
25 ms Max.
20 ms Max.
1000 MΩ Min. (DC 500V)
Between open contact
Between contact and coil
Between contact circuits
Operating extremes
Damage limits
Operating extremes
Damage limits
Mechanical
10
10
10G
100G
10,000,000 operations (frequency 18,000 ops./hr)
100,000 operations (frequency 1,200 ops./hr) (for 735)
Electrical
NO: 30,000 operations NC: 10,000 operations
(frequency 360 ops./hr) (for 735H)
-30
-30
+50°C (no freezing) (for 735)
+55°C (no freezing) (for 735H)
Approx. 80 g
:
AC 1000V, 50/60Hz 1 min. (for 735)
:
AC 1500V, 50/60Hz 1 min. (for 735H)
:
AC 1600V, 50/60Hz 1 min. (for 735)
:
AC 3000V, 50/60Hz 1 min. (for 735H)
:
AC 1600V, 50/60Hz 1 min. (for 735)
:
AC 3000V, 50/60Hz 1 min. (for 735H)
55Hz, amplitude 2.0 mm
55Hz, amplitude 2.0 mm
Dielectric strength
(1)
Vibration resistance
Shock resistance
Life expectancy
Operating ambient temperature
Weight
Note : (1) intial value
Safety Approval
Certified
File No.
735
UL / CUL
E88991
CSA
1664125
FIMKO
24560
735H
UL / CUL
E88991
Safety Approval Rating (FIMKO)
735 1A, 1B, 1C
25A 250VAC
735 2A, 2B, 2C
25A 250VAC
735 3A, 3B, 3C
20A 250VAC
Safety Approval Rating(UL / CUL CSA)
UL / CUL
735 1A, 1B, 1C
25A 28VDC
25A 277VAC
10A 600VAC
1.5HP 240VAC
1HP 120VAC
735 2A, 2B, 2C
20A 28VDC
25A 277VAC
10A 600VAC
1.5HP 240VAC
1HP 120VAC
735 3A, 3B, 3C
15A 28VDC
20A 277VAC
3/4HP 120VAC
1HP 240VAC
735 1A, 1B, 1C
30A 277VAC
10A 600VAC
25A 28VDC
1.5HP 240VAC
1HP 120VAC
CSA
735 2A, 2B, 2C
25A 277VAC
10A 600VAC
20A 28VDC
1.5HP 240VAC
1HP 120VAC
735 3A, 3B, 3C
20A 277VAC
15A 28VDC
3/4HP 120VAC
1HP 240VAC
216
SONG CHUAN
735
UL / CUL
735H 1A, 1B, 1C
30A 277VAC
25A 28VDC
10A 600VAC
1.5HP 240VAC
1HP 120VAC
735H 2A, 2B, 2C
30A 277VAC
20A 28VDC
10A 600VAC
1.5HP 240VAC
1HP 120VAC
Outline Dimensions
735 C
(0.252)
(1.496)
6.4
38
(0.224)
5.7
47.5
(1.870)
8.8
(0.346)
11.1
11.1
(0.437) (0.437)
(0.315)
(0.295)
(0.626)
8
(0.220)
735 C1
69.85
(2.750)
63.5
(2.500)
7.5
8.8
(1.870)
(0.157)
4
15.9
(1.370)
5.6
34.8
5.7
47.5
(0.224)
(0.346)
11.1
11.1
(0.437) (0.437)
(0.315)
(0.295)
(1.370)
(0.220)
8
5.6
7.5
34.8
6.4
(0.252)
38
735 C2
4
(0.157)
(1.496)
3.2
(0.126)
22.75
6-32TAP
(0.236)
(0.896)
(1.333)
33.85
(0.062)
1.57
217
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