SONG CHUAN
58
Ordering Information
Type List
Features
□Miniature PCB surge cube relay with highest rating 20A
125VAC, 16A 277VAC, TV-8 ratings with cadmium
free contacts.
□CSA/CUS, TUV, UL/CUL approved.
□UL Class F and high temperature withstand up to 85
degree C.
□SPNO, SPNC, SPDT contact configurations, sealed flux
free & sealed washable types are available.
□Ideal for motor control, compressor control for
household appliances.
□Contact rating up to 16A 250VAC (SPNO).
Designation (provided with)
Terminal
style
Contact
form
UL Insulation
system approval Flux tight Sealed type Sealed type
washable
----------- 875B-1AC-C 875B-1AC-V 875B-1AC-S
1A F 875B-1AC-F-C 875B-1AC-F-V 875B-1AC-F-S
(SPNO) ----------- 875B-1AH-C 875B-1AH-V 875B-1AH-S
F 875B-1AH-F-C 875B-1AH-F-V 875B-1AH-F-S
----------- 875B-1BC-C 875B-1BC-V 875B-1BC-S
1B F 875B-1BC-F-C 875B-1BC-F-V 875B-1BC-F-S
PCB terminal
(SPNC) ----------- 875B-1BH-C 875B-1BH-V 875B-1BH-S
F 875B-1BH-F-C 875B-1BH-F-V 875B-1BH-F-S
----------- 875B-1CC-C 875B-1CC-V 875B-1CC-S
1C F 875B-1CC-F-C 875B-1CC-F-V 875B-1CC-F-S
(SPDT) ----------- 875B-1CH-C 875B-1CH-V 875B-1CH-S
F 875B-1CH-F-C 875B-1CH-F-V 875B-1CH-F-S
875 B - 1A C - F - C
1 2 3 4 5 6
1. 875 -- Basic series designation
4. C -- Contact material AgNi
CA -- Contact material AgNi + Au
2. B -- Barrier provided between coil and frame
H -- Contact material AgSnO
HA -- Contact material AgSnO + Au
3. 1A -- Single pole normally open
1B -- Single pole normally closed
5. Blank -- Standard type
1C -- Single pole double throw
F -- Class F
6. C -- Flux tight
V -- Sealed type
S -- Sealed type washable
875
SONG CHUAN
59
Operating ambient temperature -40∼+85˚C (no freezing)
Weight Approx. 10 g
Note：(1) initial value
Contact Rating
Coil Rating (DC)
Specification
Safety Approval
1A 1B 1C
NO/NC：16A/12A 240VAC
Resistive load 16A 240VAC 12A 240VAC
16A 240VAC (※)
Rated Rated current Coil resistance Max. continuous Pick up Drop out Power consumption
voltage ±10 % at 23˚C±10 % at 23˚C voltage voltage(Max) voltage(Min) at rated
(V) (mA) (Ω) at 85˚C at 23˚C at 23˚C voltage
3 120 25
5 73 69
6 60 100
9 40 225 150 % of 75 % of 5 % of
12 30 400 rated rated rated approx. 0.36W
18 20 900 voltage voltage voltage
24 15 1600
36 10 3600
48 7.5 6400
Contact material AgSnO / AgNi alloy
Contact resistance (1) 100mΩMax.
Operate time (1) 15ms Max.
Release time (1) 10ms Max.
Insulation resistance (1) 100MΩMin. (DC 500V)
Between open contact :AC 1000V, 50/60Hz 1 min.
Dielectric strength (1)
Between contact and coil :AC 2500V, 50/60Hz 1 min.
Operating extremes 10∼50Hz , amplitude 1.0 mm
Vibration resistance
Damage limits 10∼50Hz , amplitude 1.0 mm
Operating extremes 10G
Shock resistance
Damage limits 100G
10,000,000 operations
Mechanical
(frequency 18,000 operations/hr)
100,000 operations (※50,000 operations)
Life expectancy
Electrical
(frequency 360 operations/hr)
Certified CSA / CUS TUV UL / CUL
File No. 1474282 R3-5006128 E88991
875
SONG CHUAN
60
Safety Approval Rating
Outline Dimensions
Wiring Diagram
BOTTOM VIEW
CSA / CUS, UL / CUL
AgNi AgSnO
NO NC NO NC
17A 250VAC 15A 250VAC 20A 125VAC 20A 125VAC
20A 125VAC 20A 125VAC 17A 250VAC 10A 250VAC
1HP 8FLA 250VAC 1/2HP 4.9FLA 250VAC 1HP 8FLA 250VAC 1/2HP 4.9FLA 250VAC
1/2HP 9.8FLA 125VAC 1HP 16FLA 125VAC 1/2HP 9.8FLA 125VAC
17FLA 30LRA 250VAC TV-8
TV-8
TUV
16A 250VAC
20A 125VAC
(0.827)
21
(0.081)
2.05
(0.811)
20.6
(0.630)
16
(0.126)
3.2
(0.012)
0.3
1C 1B 1A
PC Board Layout
BOTTOM VIEW (0.480)
12.2
(0.472)
12
(0.559)
14.2
(0.051)
φ1.3-5
875
SONG CHUAN
61
Engineering Data
Operate time
110
Release time
% of Nominal coil voltage (at 23℃)
Operate t ime/Release time
90 10070
60 80
Time (ms)
2
4
6
8
10
12
140130120
% of Nominal Coil Voltage (at 23℃)
180
Temperature rise (℃)
90
80
10
60
80
60
70
40
50
30
20
20A
100 120 160140
12A
16A
Coil temperature rise
100
Life expectancy
AC resistive load/Switching current(A)
10
0 6
6
Number of operations
5
10
10 7
8 10 12 14 16
240VAC
10 4
1A
1C(NO)
1C(NC)
90
Temperature rise (℃)
% of Nominal Coil Voltage (at 85℃)
10
60 80
50
30
20
40
70
60
80
120100 140
20A
160 180
16A
12A
Coil temperature rise
100
875
