SONG CHUAN
735
Features
ϭ 20A/25A general purpose Power Relays.
ϭ SPDT, DPDT, TPDT contact configurations.
ϭ DC & AC coils are both available.
ϭ Optional for flange covers, tapped core w/anti-rotation
tab, indicator lamp, push-to-test button, PCB terminals.
ϭ Comply with RoHS-Directive 2011/65/EU.
Type List
Ϭ Standard Type
Terminal
Contact
style
form
Open type
Dust cover
Ears on cover
Antirotation-tab
Ears on top
1A (SPNO)
735-1A
735-1A-C
735-1A-C1
735-1A-C2
735-1A-C3
1B (SPNC)
735-1B
735-1B-C
735-1B-C1
735-1B-C2
735-1B-C3
1C (SPDT)
735-1C
735-1C-C
735-1C-C1
735-1C-C2
735-1C-C3
2A (DPNO)
735-2A
735-2A-C
735-2A-C1
735-2A-C2
735-2A-C3
2B (DPNC)
735-2B
735-2B-C
735-2B-C1
735-2B-C2
735-2B-C3
2C (DPDT)
735-2C
735-2C-C
735-2C-C1
735-2C-C2
735-2C-C3
3A (TPNO)
735-3A
735-3A-C
735-3A-C1
735-3A-C2
735-3A-C3
3B (TPNC)
735-3B
735-3B-C
735-3B-C1
735-3B-C2
735-3B-C3
3C (TPDT)
735-3C
735-3C-C
735-3C-C1
735-3C-C2
735-3C-C3
1A (SPNO)
------
735-1A-C-T
------
------
------
1B (SPNC)
------
735-1B-C-T
------
------
------
1C (SPDT)
------
735-1C-C-T
------
------
------
2A (DPNO)
------
735-2A-C-T
------
------
------
2B (DPNC)
------
735-2B-C-T
------
------
------
2C (DPDT)
------
735-2C-C-T
------
------
------
3A (TPNO)
------
735-3A-C-T
------
------
------
3B (TPNC)
------
735-3B-C-T
------
------
------
3C (TPDT)
------
735-3C-C-T
------
------
------
Quick terminal
PCB terminal
Enclosure style
Ϭ High Power Type
Terminal
Contact
Insulation
style
form
system
1A (SPNO)
Quick terminal
Enclosure style
Dust cover
Ears on cover
735H-1A-F-C
735H-1A-F-C1
1B (SPNC)
735H-1B-F-C
735H-1B-F-C1
1C (SPDT)
735H-1C-F-C
735H-1C-F-C1
735H-2A-F-C
735H-2A-F-C1
2B (DPNC)
735H-2B-F-C
735H-2B-F-C1
2C (DPDT)
735H-2C-F-C
735H-2C-F-C1
2A (DPNO)
F
213
SONG CHUAN
735
Ordering Information
735
-
1
2
1. 735
2C
-
3
4
5
6
5. Blank
C
C1
C2
-- Basic series designation
2. Blank -- Standard type
H
-- High power type
3. 1A
1B
1C
2A
2B
-- Single pole normally open
-- Single pole normally closed
-- Single pole double throw
-- Double pole normally open
-- Double pole normally closed
2C
3A
3B
3C
C3
-- Double pole double throw
-- Three pole normally open
-- Three pole normally closed
-- Three pole double throw
4. Blank
F
7
-- Open type
-- With cover
-- With mounting ears on cover
-- With accessible mounting hole with
anti-rotation tab
-- Mounting ears on top of cover
6. Blank
M
T
L
-- No special feature
-- With manual operator
-- Printed circuit board terminals
-- Pilot lamp
7.
-- Coil voltage (please refer to the
coil rating data for the availability)
-- Standard type
-- Class F
Contact Rating
735
TYPE
Resistive load
735H
1A, 1B, 1C, 2A, 2B, 2C
3A, 3B, 3C
20A 240VAC
20A 120VAC
30A 240VAC
15A 28VDC
15A 240VAC/28VDC
15A 28VDC
Coil Rating (DC)
ϬStandard Type
Rated
Rated current
Coil resistance Max. continuous
voltage
p10 % at 23°C
p10 % at 23°C
voltage
(V)
(mA)
(7)
at 50°C
6
188
32
12
100
120
24
51
472
48
27
1800
110
11
10000
125
12.5
10000
6
250
24
12
125
96
24
63
384
48
31
1536
110
11.5
9600
125
13
9600
SP
DP
TP
214
Pick up
Drop out
voltage(Max.) voltage(Min.)
at 23°C
at 23°C
Power consumption
at rated
voltage
approx. 1.2W
130 % of
80 % of
10 % of
rated
rated
rated
voltage
voltage
voltage
approx. 1.5W
SONG CHUAN
735
Ϭ High Power Type
Rated
Rated current
Coil resistance Max. continuous
Pick up
Drop out
voltage
±10 % at 23°C
±10 % at 23°C
voltage
(V)
(mA)
(Ω)
at 55°C
at 23°C
at 23°C
6
188
32
12
100
120
24
51
472
100 % of
80 % of
10 % of
48
27
1800
rated
rated
rated
110
11
10000
voltage
voltage
voltage
125
12.5
10000
voltage(Max.) voltage(Min.)
Power consumption
at rated
voltage
approx. 1.2W
Coil Rating (AC)
ϬStandard Type
Rated
Coil resistance
voltage
(V)
SP
Max. continuous
Pick up
Drop out
Power consumption
p10 % at 23°C
voltage
voltage(Max.)
voltage(Min.)
at rated
(7)
at 50°C
at 23°C
at 23°C
voltage
6
4.2
12
18
24
72
110
1580
120
1700
220
5850
240
7200
6
3.9
12
14.5
24
64
110
1450
120
1540
220
5850
240
6750
approx. 3.0VA
DP
TP
110 % of
85 % of
30 % of
rated
rated
rated
voltage
voltage
voltage
approx. 3.4VA
Ϭ High Power Type
Rated
Coil resistance
Max. continuous
Pick up
Drop out
Power consumption
voltage
±10 % at 23°C
voltage
voltage(Max.)
voltage(Min.)
at rated
(V)
(Ω)
at 55°C
at 23°C
at 23°C
voltage
6
4.2
12
18
24
72
100 % of
85 % of
30 % of
110
1580
rated
rated
rated
120
1700
voltage
voltage
voltage
220
5850
240
7200
approx. 3.4VA
215
SONG CHUAN
735
Specification
Contact material
Contact resistance
Operate time
(1)
Release time
(1)
AgSnO alloy
(1)
50mΩ Max.(for 735) ; 100mΩ Max.(for 735H) (1A/6VDC by 4 pipes m7 meter)
25 ms Max.
20 ms Max.
Insulation resistance
(1)
1000 MΩ Min. (DC 500V)
Between open contact
: AC 1000V, 50/60Hz 1 min. (for 735)
: AC 1500V, 50/60Hz 1 min. (for 735H)
Between contact and coil
Dielectric strength (1)
: AC 1600V, 50/60Hz 1 min. (for 735)
: AC 3000V, 50/60Hz 1 min. (for 735H)
Between contact circuits
: AC 1600V, 50/60Hz 1 min. (for 735)
: AC 3000V, 50/60Hz 1 min. (for 735H)
Vibration resistance
Shock resistance
Operating extremes
10Д55Hz, amplitude 2.0 mm
Damage limits
10Д55Hz, amplitude 2.0 mm
Operating extremes
10G
Damage limits
100G
Mechanical
10,000,000 operations (frequency 18,000 ops./hr)
100,000 operations (frequency 1,200 ops./hr) (for 735)
Life expectancy
Electrical
NO: 30,000 operations NC: 10,000 operations
(frequency 360 ops./hr) (for 735H)
-30Д+50°C (no freezing) (for 735)
Operating ambient temperature
-30Д+55°C (no freezing) (for 735H)
Weight
Approx. 80 g
Note : (1) intial value
Safety Approval
735
Certified
File No.
735H
UL / CUL
CSA
FIMKO
UL / CUL
E88991
1664125
24560
E88991
Safety Approval Rating (FIMKO)
735 1A, 1B, 1C
735 2A, 2B, 2C
735 3A, 3B, 3C
25A 250VAC
25A 250VAC
20A 250VAC
Safety Approval Rating(UL / CULΕCSA)
UL / CUL
216
CSA
735 1A, 1B, 1C
735 2A, 2B, 2C
735 3A, 3B, 3C
735 1A, 1B, 1C
735 2A, 2B, 2C
735 3A, 3B, 3C
25A 28VDC
20A 28VDC
15A 28VDC
30A 277VAC
25A 277VAC
20A 277VAC
25A 277VAC
25A 277VAC
20A 277VAC
10A 600VAC
10A 600VAC
15A 28VDC
10A 600VAC
10A 600VAC
3/4HP 120VAC
25A 28VDC
20A 28VDC
3/4HP 120VAC
1.5HP 240VAC
1.5HP 240VAC
1HP 240VAC
1.5HP 240VAC
1.5HP 240VAC
1HP 240VAC
1HP 120VAC
1HP 120VAC
1HP 120VAC
1HP 120VAC
SONG CHUAN
735
UL / CUL
735H 1A, 1B, 1C
735H 2A, 2B, 2C
30A 277VAC
30A 277VAC
25A 28VDC
20A 28VDC
10A 600VAC
10A 600VAC
1.5HP 240VAC
1.5HP 240VAC
1HP 120VAC
1HP 120VAC
Outline Dimensions
11.1
34.8
Ϭ735 C1
(1.370)
8
(0.315)
7.5
(0.437) (0.437)
(0.295)
5.7
38
(1.496)
11.1
(0.224)
8.8
(0.346)
5.6
47.5
(1.870)
(0.220)
6.4
(0.252)
Ϭ735 C
69.85
(2.750)
63.5
(0.626)
(0.157)
4
15.9
(2.500)
8.8
11.1
11.1
(0.437) (0.437)
(0.315)
(0.295)
34.8
(1.370)
8
(0.220)
5.6
(1.870)
7.5
5.7
(0.346)
(0.224)
47.5
6.4
(0.252)
38
Ϭ735 C2
(1.496)
4
3.2
(0.157)
1.57
33.85
(1.333)
22.75
(0.896)
(0.062)
(0.126)
6-32TAP
(0.236)
217
SONG CHUAN
735
Ϭ735 C3
34.8
54.61
64.26
(0.140)
(2.530)
ͫ3.55
(2.150)
11.1
11.1
12.7
(0.500)
(0.437) (0.437)
38
(1.496)
6.4
(0.252)
(1.370)
5.7
8.8
(0.224)
(0.346)
1.6
5.6
(0.063)
(0.220)
47.6
7.5
(1.874)
8
(0.295)
(0.315)
Ϭ735 M
Ϭ735 T
4.2
6.4
(0.157)
(0.047)
4
27.85
1.19
(1.096)
3.9
(0.154)
6.6
(0.153)
(0.260)
3.9
(0.165)
(0.252)
5.5
(0.217)
Wiring Diagram
BOTTOM VIEW
1C
2C
2
5
7
A
B
1B
3
6
1
4
2
5
3
6
7
9
7
8
9
A
B
A
1
3
1
2
3
7
9
7
8
9
A
B
A
2B
2
7
A
B
1A
5
A
B
B
3B
2A
7
218
3C
1
4
B
3A
4
6
4
5
6
7
9
7
8
9
A
B
A
B
SONG CHUAN
735
PC Board Layout
BOTTOM VIEW
2P
11.1
11.1
(0.437)
(0.437)
5.7
(0.224)
11.1
(0.437)
(0.315)
8
7.5
11.1
(0.437)
5.6
Ø1.6-11
(0.063)
(0.295)
5.7
(0.224)
8
(0.315)
7.5
5.6
(0.874)
(0.220)
22.2
Ø1.6-8
(0.063)
(0.220)
3P
(0.295)
5.7
(0.224)
8
(0.315)
7.5
(0.295)
5.6
Ø1.6-5
(0.063)
(0.220)
1P
Engineering Data
Coil operating range AC
Coil operating range DC
120
With coil voltage100%
80
Temperature rise (°C)
1C/2C/3Cx20A
Coil voltage(%)
Coil voltage(%)
160
140
100
100
90
0A
160
Coil temperature rise
180
180
140
0A
120
With coil voltage100%
100
20A
25A
70
60
15A
50
40
30
20
80
80
Without coil voltage
10
Without coil voltage
60
60
0
10
30
50
0
70
10
30
50
60
70
Life expectancy(1C/2C)
Coil temperature rise
100
10
80
100
120
140
160
180
% of Nominal Coil Voltage (at 23°C)
Ambient temperature(°C)
Ambient temperature(°C)
Life expectancy(3C)
7
10
7
Number of operations
Temperature rise (°C)
70
25A
60
20A
50
40
15A
30
10
10
240VAC
28VDC
6
Number of operations
90
80
5
10
120VAC
6
240VAC
10
28VDC
5
20
10
60
80
100
120
140
160
180
10
4
10
0
% of Nominal Coil Voltage (at 50°C)
1
5
10
15
20
4
0
25
AC/DC resistive load/Switching current(A)
10
12
14
16
18
20
AC/DC resistive load/Switching current(A)
Max.DC load breaking capacity
300
200
Resistive load
Switching voltage (V)
Time (ms)
Operate time/Release time
36
34
32
30 avg
Operate time
28
26
24
22
max
20
min
18
16
14
12
10
8
6
max
One contact
50
40
30
Release time
avg
5
20
min
4
3
70
100
80
90
100
110 120 130 140 150 160 170 180
% of Nominal coil voltage (at 23ʨ)
————
10
0.1
0.2
0.5
1
2
6
10
18
Switching current(A)
All specifications subject to change.
Please contact Song Chuan for update. ————
219