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852
SONG CHUAN
128
Contact Rating
Ordering Information
Type List
Coil Rating (DC)
Features Miniature 25A 250VAC Power Relay. UL/CUL, VDE approved. With and without quick connect terminals on top. Inductive load cos =0.7, 20A 250VAC, inrush 80A
250VAC, 400ms suitable for compressor load switching
and HVAC applications.
Terminal style
Contact form
Designation
W (Quick terminal)
P (PCB terminal)
SPNO
SPNO
852
852-P-1A-C
-W-1A-C1
WP (Quick terminal & PCB terminal)
SPNO
852-WP-1A-C
852
W
-
1A
-
F
-
C
1
2
3
4
5
1. 852
-- Basic series designation
4. Blank
-- Standard type
F
-- Class F
2. W
-- With quick terminals
P
-- With PCB terminals
5. C
-- Dust cover
WP
-- With quick and PCB terminals
C1
-- Flanged cover
3. 1A
-- Single pole normally open
Resistive load
25A 250VAC
Inductive load (cos
=0.7)
20A 250VAC (Inrush 80A)
Rated
Rated current
Coil resistance Max. continuous
Pick up
Drop out
Power consumption
voltage
�10 % at 23C �10 % at 23C
voltage
voltage(Max) voltage(Min)
at rated
(V)
(mA)
(
)
at 70C
at 23C
at 23C
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
852 SONG CHUAN
129
Specification
Safety Approval
Safety Approval Rating
Note(1) initial value
Contact material
AgSnO alloy
Contact resistance
(1)
30m
Max.
Operate time
(1)
20ms Max.
Release time
(1)
10ms Max.
Insulation resistance
(1)
100M
Min. (DC 500V)
Between open contact
: AC 1200V, 50/60Hz 1 min.
Dielectric strength
(1)
Between contact and coil
: AC 3600V, 50/60Hz 1 min.
Operating extremes
1050Hz , amplitude 1.0 mm
Vibration resistance
Damage limits
1050Hz , amplitude 2.0 mm
Operating extremes
10G
Shock resistance
Damage limits
100G
10,000,000 operations
Mechanical
(frequency 18,000 operations/hr)
Life expectancy
100,000 operations
Electrical
(frequency 1,200 operations/hr)
Operating ambient temperature
-25 ~ +70C (no freezing)
Weight
Approx. 31.5g
Certified
UL / CUL
VDE
File No.
E88991
40004735
UL / CUL
VDE
25A 277VAC
25A 250VAC T85
1HP 125VAC
20A 250VAC cos
0.7
1.5HP 250VAC
30A 277VAC (NO)
852-P
30.4
(1.197)
(
0
.
0
5
9
)
1
.
5
(
0
.
7
2
8
)
1
8
.
5
(
0
.
1
6
9
)
4
.
3
(
0
.
0
3
9
)
1
(
0
.
7
0
9
)
1
8
28.5
(1.122)
Outline Dimensions
852 SONG CHUAN
130
(
0
.
0
7
9
)
(
0
.
3
9
0
)
9
.
9
1
8
(
0
.
7
0
9
)
2
6.3
(0.248)
(
0
.
0
5
9
)
1
.
5
15
(0.591) 852-W
6.35x0.8
(0.031)
Quick terminal
Quick terminal
(0.020)
4.75x0.5
30.4
47.5
(1.870)
(0.394)
10
(1.197)
(0.187)
(
0
.
1
7
7
)
4
.
5
39.5
(1.555)
2
8
.
5
(
1
.
1
2
2
)
(0.250)
NO
CO
M
(0.031)
8
.
2
(
0
.
3
2
3
)
0.5
6.8
(0.268)
0.8
(0.020)
1
7
.
5
(
0
.
6
8
9
) 852-WP
2
8
.
5
(
1
.
1
2
2
)
(1.197)
30.4
(
0
.
7
2
8
)
(
0
.
0
3
9
)
9
.
9
(0.591)
(
0
.
3
9
0
)
15
(0.248)
6.3
(
0
.
0
5
9
)
1
.
5
1
8
.
5
4
.
3
(
0
.
1
6
9
)
1
6.35x0.8
(0.031)
Quick terminal
(0.250)
(
0
.
7
0
9
)
(0.268)
0.8
(0.031)
6.8
1
8
Wiring Diagram
BOTTOM VIEW 852-W 852-P/WP
COIL
COM
NO
COM
COIL
NO
852 SONG CHUAN
131
PC Board Layout
BOTTOM VIEW 852-W 852-P/WP
20
(0.787)
(
0
.
0
8
5
)
2
.
1
5
22
(0.866)
2
.
5
(
0
.
0
9
8
)
2
4
.
5
(
0
.
9
6
5
)
4.95
(0.195) 1.8-4
(0.071)
39.5
(1.555) 4.5-2
(0.177)
Engineering Data
Operate time
110
Release time
% of Nominal coil voltage (at 23)
Operate time/Release time
90
100
70
60
80
T
i
m
e
(
m
s
)
4
6
8
10
12
140
130
120
16
Life expectancy
AC resistive load/Switching current(A)
10
0
1
6
N
u
m
b
e
r
o
f
o
p
e
r
a
t
i
o
n
s
5
10
10
7
5
10
15
20
25
250VAC
10
4
T
e
m
p
e
r
a
t
u
r
e
r
i
s
e
(

)
20
60
50
40
30
10
% of Nominal Coil Voltage (at 23)
100
80
60
160
140
120
180
80
70
Coil temperature rise
25A
20A
90
100
90
T
e
m
p
e
r
a
t
u
r
e
r
i
s
e
(

)
% of Nominal Coil Voltage (at 70)
10
60
80
50
30
20
40
70
60
80
120
100
140
25A
160
180
20A
Coil temperature rise
100
852