SONG CHUAN
737
Features
30A general purpose Power Relay.
SPDM, SPDB, SPDM+DB contact configurations.
AC & DC coils are both available.
Optional for anti-rotation tab, tapped core indicator
lamp & push-to-test button, flanged covers. (side flange
& top flange)
Comply with RoHS-Directive 2011/65/EU.
Type List
Terminal
style
Contact
form
1X(SPDM)
1Y(SPDB)
1Z (SPDM/B)
1X(SPDM)
------
Designation
Open type
737-1X
737-1Y
737-1Z
------
Lamp
Enclosure style
Dust cover
737-1X-C
737-1Y-C
737-1Z-C
737-1X-C-L
737-1Y-C-L
737-1Z-C-L
737-1X-C-M
737-1Y-C-M
737-1Z-C-M
737-1X-C-T
737-1Y-C-T
737-1Z-C-T
737-1X-C-LT
737-1Y-C-LT
737-1Z-C-LT
737-1X-C-MT
737-1Y-C-MT
737-1Z-C-MT
Ears on cover
737-1X-C1
737-1Y-C1
737-1Z-C1
737-1X-C1-L
737-1Y-C1-L
737-1Z-C1-L
737-1X-C1-M
737-1Y-C1-M
737-1Z-C1-M
------
------
------
------
------
------
------
------
------
Antirotation-tab
737-1X-C2
737-1Y-C2
737-1Z-C2
737-1X-C2-L
737-1Y-C2-L
737-1Z-C2-L
737-1X-C2-M
737-1Y-C2-M
737-1Z-C2-M
737-1X-C2-T
737-1Y-C2-T
737-1Z-C2-T
737-1X-C2-LT
737-1Y-C2-LT
737-1Z-C2-LT
737-1X-C2-MT
737-1Y-C2-MT
737-1Z-C2-MT
Ears on top
737-1X-C3
737-1Y-C3
737-1Z-C3
737-1X-C3-L
737-1Y-C3-L
737-1Z-C3-L
737-1X-C3-M
737-1Y-C3-M
737-1Z-C3-M
737-1X-C3-T
737-1Y-C3-T
737-1Z-C3-T
737-1X-C3-LT
737-1Y-C3-LT
737-1Z-C3-LT
737-1X-C3-MT
737-1Y-C3-MT
737-1Z-C3-MT
Quick terminal
1Y(SPDB)
1Z (SPDM/B)
1X(SPDM)
1Y(SPDB)
1Z (SPDM/B)
1X(SPDM)
1Y(SPDB)
1Z (SPDM/B)
1X(SPDM)
------
------
------
Manual
------
------
------
------
------
------
------
PCB terminal
1Y(SPDB)
1Z (SPDM/B)
1X(SPDM)
1Y(SPDB)
1Z (SPDM/B)
Lamp
------
------
------
Manual
------
------
Ordering Information
737
1
1. 737
2. 1X
1Y
1Z
-
1X
2
-
3
-
4
-
5
6
3. Blank
F
4. Blank
C
-- Standard type
-- Class F
-- Open type
-- With cover
-- Basic series designation
-- Single pole double make
-- Single pole double break
-- Single pole double make/ break
220
SONG CHUAN
737
C1
C2
C3
5. Blank
-- With mounting ears on cover
-- With accessible mounting hole with
anti-rotation tab
-- Mounting Ears on top of cover
6.
M
T
L
-- With manual operator
-- Printed circuit board terminals
-- Pilot lamp
-- Coil voltage (please refer to the
coil rating data for the availability)
-- No special feature
Contact Rating
Resistive load
Motor
30A 28VDC, 15A 600VAC, 30A 300VAC
1HP 120VAC, 1.5HP 200~600VAC
Coil Rating (DC)
Rated
voltage
(V)
6
12
1X
1Y
24
48
110
125
6
12
1Z
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
110 % of
rated
voltage
80 % of
rated
voltage
10 % of
rated
voltage
approx. 1.2W
voltage
at 75°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)
6
12
24
110
120
220
240
Coil resistance
10 % at 23°C
( )
4.2
18
72
1580
1700
5500
7200
110 % of
rated
voltage
85 % of
rated
voltage
30 % of
rated
voltage
approx. 3.0VA
Max. continuous
voltage
at 75°C
Pick up
voltage(Max.)
at 23°C
Drop out
voltage(Min.)
at 23°C
Power consumption
at rated
voltage
221
SONG CHUAN
737
Specification
Contact material
Contact resistance
Operate time
Release time
(1)
(1)
(1)
(1)
AgSnO alloy
50m
Max. (1A/6VDC by 4 pipes m
meter)
25 ms Max.
20 ms Max.
1000 M
Min. (DC 500V)
:
AC 1600V , 50/60Hz 1 min.
:
AC 2200V , 50/60Hz 1 min.
:
AC 1000V , 50/60Hz 1 min.
10
10
10G
100G
10,000,000 operations
(frequency 18,000 operations/hr)
55Hz , amplitude 2.0 mm
55Hz , amplitude 2.0 mm
Insulation resistance
(1)
Between live parts & ground
Dielectric strength
Between contact and coil
Between open contact
Vibration resistance
Operating extremes
Damage limits
Shock resistance
Operating extremes
Damage limits
Mechanical
Life expectancy
Electrical
Operating ambient temperature
Weight
100,000 operations
(frequency 360 operations/hr)
-40
+75°C (no freezing)
Approx. 83 g
Note (1) initial value
Safety Approval
Certified
File No.
UL / CUL
E88991
CSA
1664125
TUV
R50044822
Safety Approval Rating
UL / CUL
30A 28VDC
30A 300VAC
15A 600VAC
1HP 120VAC
1.5HP 200/240/480/600VAC
CSA
30A 28VDC
30A 300VAC
15A 600VAC
1HP 120VAC
1.5HP 200~600VAC
TUV
30A 250VAC (for 1X,1Z)
222
SONG CHUAN
737
Outline Dimensions
737 C
(0.252)
(1.496)
6.4
38
5.7
47.5
(1.870)
8.8
(0.346)
(0.224)
11.1
11.1
(0.437) (0.437)
(0.220)
(0.610)
(0.157)
737 C1
69.85
(2.750)
63.5
(2.500)
8.8
5.7
47.5
(1.870)
(0.346)
(0.224)
4
(0.626)
15.9
(1.370)
15.5
5.6
34.8
11.1
11.1
(0.437) (0.437)
(0.220)
(0.610)
(1.370)
15.5
34.8
5.6
6.4
(0.252)
38
(1.496)
737 C2
4
(0.157)
3.2
(0.126)
6-32TAP
(0.236)
(0.896)
22.75
(1.333)
33.85
(0.062)
1.57
223
SONG CHUAN
737
737 C3
34.8
(1.370)
12.7
(0.500)
3.55
(0.140)
(0.437) (0.437)
11.1
(0.252)
(1.496)
54.61
8.8
(0.346)
(0.224)
1.6
(0.063)
11.1
5.7
5.6
47.6
(1.874)
(0.220)
15.5
(0.610)
737 M
4.2
(0.165)
737 T
3.9
(0.153)
(0.260)
(2.150)
(2.530)
(0.157)
64.26
6.4
38
(0.154)
3.9
(1.096)
27.85
1.19
6.4
(0.252)
5.5
(0.217)
Wiring Diagram
BOTTOM VIEW
1X
1Y
1
A
2
B
1Z
1
3
A
2
4
B
3
A
4
B
PC Board Layout
BOTTOM VIEW
1X
(0.445)
1Y
(0.224)
1Z
5.7
(0.437)
(0.437)
(0.437)
(0.437)
(0.437)
(0.437)
11.3
(0.831)
5.7
11.1
11.1
(0.224)
(0.220)
11.1
11.1
11.1
11.1
4
(0.047)
6.6
(0.610)
Ø1.6-4
(0.063)
Ø1.6-4
(0.063)
Ø1.6-6
(0.063)
224
(0.610)
21.1
15.5
15.5
5.6
