SONG CHUAN
148
891
Contact Rating
Ordering Information
Type List
Coil Rating (DC)
Features
□25A miniature general purpose Power Relay.
□With or without quick terminal & PCB terminal.
□CSA/CUS, TUV,UL/CUL approved.
□Designed for compressor load switching application
and office equipment of motor control or lamp load
switching.
Terminal style Contact form Designation
WP (Quick terminal &
PCB terminal) SPNO 891WP-1A-C
P (PCB terminal) SPNO 891P-1A-C
891 WP - 1A - F - C
1 2 3 4 5
1. 891 -- Basic series designation 4. Blank -- Standard type
F -- Class F
2. P -- PCB terminal
WP -- Socket terminal & PCB terminal 5. C -- Flux tight
3. 1A -- Single pole normally open
Resistive load 25A 250VAC
Inductive load / Inrush 80A 240VAC cos F0.7
Compressor load Steady state 20A 240VAC cos F0.9
Rated
Rated current
Coil resistance
Max. continuous
Pick up Drop out Power consumption
voltage
p10 % at 23°C
p10 % at 23°C
voltage voltage(Max)
voltage(Min)
at rated
(V) (mA) (7) at 85°C at 23°C at 23°C voltage
5 180 27.8
6 150 40 150 % of 75 % of 10 % of
9 100 90 rated rated rated approx. 0.9W
12 75 160 voltage voltage voltage
24 38 640
48 19 2560
□Comply with RoHS-Directive 2002/95/EC.
SONG CHUAN
149
891
Specification
Safety Approval
Safety Approval Rating
Outline Dimensions
Note：(1) initial value
Contact material AgSnO alloy
Contact resistance(1) 100m7 Max.
Operate time(1) 20ms Max.
Release time(1) 10ms Max.
Insulation resistance(1) 1000 M 7 Min. (DC 500V)
Between open contact : AC 1000V , 50/60Hz 1 min.
Dielectric strength(1)
Between contact and coil : AC 4500V , 50/60Hz 1 min.
Operating extremes 10～55Hz , amplitude 1.5 mm
Vibration resistance
Damage limits 10～55Hz , amplitude 2.0 mm
Operating extremes 10G
Shock resistance
Damage limits 100G
5,000,000 operations
Mechanical
(frequency 18,000 operations/hr)
Life expectancy
100,000 operations
Electrical
(frequency 360 operations/hr)
Operating ambient temperature -40～+ 85°C (no freezing)
Weight Approx. 22g
Certified CSA / CUS TUV UL / CUL
File No. 1165173 R3-50003966 E88991
CSA / CUS TUV UL / CUL
25A 277VAC 25A 250VAC 25A 277VAC
20A 250VAC cos F0.7 1.5HP 125VAC/250VAC
1.5HP 125/250VAC
18FLA/98LRA 240VAC
◆891P
(0.059)
1.5
(0.012)
0.3
16
(0.630)
9.4
(0.370)
(1.181)
30
(0.028)
0.7
(0.051)
1.3
26.8
(1.055)
23.2
(0.913)
3.5
(0.138) 0.8
(0.031)
SONG CHUAN
150
891
Wiring Diagram
BOTTOM VIEW
PC Board Layout
BOTTOM VIEW
◆891WP
(1.087)
27.6
6.25
(0.246)
(0.866)
22
(0.472)
12
5.75
(0.226)
(0.071)
φ1.8-4
1
4
2
3
(1.181)
30
34
(0.630)
16
8
0.8
23.5
(0.925)
(0.031) (0.315)
3.4
(0.134)
6.35
(0.250)
(0.051)
(0.138)
3.5
1.3
(0.027)
0.7
0.8
(0.031)
(0.031)
0.8
(0.059)
0.3
(0.012)
1.5
6.6
(0.260)
(0.728)
18.5
SONG CHUAN
151
891
Engineering Data
Life expectancy
AC resistive load/Switching current(A)
10
0 1
6
Number of operations
5
10
10 7
5 10 15 20 25
250VAC
10 4
Temperature rise (℃)
60
50
40
30
% of Nominal Coil Voltage (at 23℃)
1008060 160140120 180
80
70
Coil temperature rise
25A
20A
90
100
110
120
% of Nominal Coil Voltage (at 85℃)
Temperature rise (℃)
30
40
50
25A
20A
Coil temperature rise
60
70
8060 120100 140 160 180
1
2
avg
min
max
0
14013012011090 10070 80 150
min
avg
max
Operate time
Release time
15
14
12
11
8
6
9
7
5
3
4
10
16
17
18
13
180160 170
Operate time/Release time
Time (ms)
% of Nominal coil voltage (at 23℃)
———— All specications subject to change. Please contact Song Chuan for update. ————
