891
SONG CHUAN
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.
□
Comply with RoHS-Directive 2002/95/EC.
Type List
Terminal style
WP (Quick terminal &
PCB terminal)
P (PCB terminal)
Contact form
SPNO
SPNO
Designation
891WP-1A-C
891P-1A-C
Ordering Information
891 WP
1
1. 891
2. P
WP
3. 1A
-
1A
3
-
F
4
-
C
5
4. Blank
F
5. C
-- Standard type
-- Class F
-- Flux tight
2
-- Basic series designation
-- PCB terminal
-- Socket terminal & PCB terminal
-- Single pole normally open
Contact Rating
Resistive load
Inductive load /
Compressor load
25A 250VAC
Inrush 80A 240VAC cos 0.7
Steady state 20A 240VAC cos 0.9
Coil Rating (DC)
Rated
voltage
(V)
5
6
9
12
24
48
Rated current
10 % at 23°C
(mA)
180
150
100
75
38
19
Coil resistance Max. continuous
10 % at 23°C
( )
27.8
40
90
160
640
2560
150 % of
rated
voltage
75 % of
rated
voltage
10 % of
rated
voltage
approx. 0.9W
voltage
at 85°C
Pick up
voltage(Max)
at 23°C
Drop out
voltage(Min)
at 23°C
Power consumption
at rated
voltage
1
SONG CHUAN
891
Specification
Contact material
Contact resistance
(1)
Operate time
(1)
Release time
(1)
Insulation resistance
(1)
Dielectric strength
(1)
Vibration resistance
Shock resistance
AgSnO alloy
100m
Max.
20ms Max.
10ms Max.
1000 M
Min. (DC 500V)
:
AC 1000V , 50/60Hz 1 min.
:
AC 4500V , 50/60Hz 1 min.
10½55Hz , amplitude 1.5 mm
10½55Hz , amplitude 2.0 mm
10G
100G
5,000,000 operations
(frequency 18,000 operations/hr)
100,000 operations
(frequency 360 operations/hr)
-40½+ 85°C (no freezing)
Approx. 22g
Between open contact
Between contact and coil
Operating extremes
Damage limits
Operating extremes
Damage limits
Mechanical
Life expectancy
Electrical
Operating ambient temperature
Weight
Note：(1) initial value
Safety Approval
Certified
File No.
CSA / CUS
1165173
TUV
R3-50003966
UL / CUL
E88991
Safety Approval Rating
CSA / CUS
25A 277VAC
1.5HP 125/250VAC
TUV
25A 250VAC
20A 250VAC cos 0.7
UL / CUL
25A 277VAC
1.5HP 125VAC/250VAC
18FLA/98LRA 240VAC
Outline Dimensions
◆891P
(0.370)
(0.630)
9.4
(1.181)
30
(1.055)
26.8
(0.913)
23.2
(0.031)
0.8
16
(0.138)
3.5
(0.051)
1.3
(0.028)
0.7
(0.012)
0.3
(0.059)
1.5
1
891
◆891WP
(0.315)
SONG CHUAN
4
30
(1.181)
16
3
(0.630)
8
(0.728)
18.5
(0.250)
6.35
(0.031)
0.8
(0.260)
(0.031)
6.6
0.8
(0.925)
23.5
(0.031)
0.8
(0.134)
3.4
(0.138)
BOTTOM VIEW
Wiring Diagram
3.5
(0.051)
1.3
(0.027)
0.7
(0.012)
0.3
(0.059)
1.5
4
1
3
2
(0.246)
6.25
BOTTOM VIEW
PC Board Layout
φ
1.8-4
(0.071)
(0.226)
5.75
(0.472)
(0.866)
12
22
(1.087)
27.6
10
SONG CHUAN
891
Engineering Data
Coil temperature rise
120
110
70
Coil temperature rise
Temperature rise (℃)
90
80
70
60
50
40
30
60
80
100
120
20A
Temperature rise (℃)
100
25A
60
50
40
25A
30
20A
140
160
180
60
80
100
120
140
160
180
% of Nominal Coil Voltage (at 23℃)
% of Nominal Coil Voltage (at 85℃)
10
7
Life expectancy
Operate time/Release time
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Operate time
max
Number of operations
Time (ms)
10
6
250VAC
min
avg
10
5
Release time
min
80
90
max
avg
10
4
70
100 110 120 130 140 150 160 170 180
0
1
5
10
15
20
25
% of Nominal coil voltage (at 23℃)
AC resistive load/Switching current(A)
————
All specifications subject to change.
Please contact Song Chuan for update.
————
11
