SONG CHUAN
852
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.
Comply with RoHS-Directive 2011/65/EU.
Type List
Terminal style
W (Quick terminal)
P (PCB terminal)
WP (Quick terminal & PCB terminal)
Contact form
SPNO
SPNO
SPNO
Designation
852-W-1A-C1
852-P-1A-C
852-WP-1A-C
Ordering Information
852
1
1. 852
2. W
P
WP
3. 1A
-
W
2
-
1A
3
-
4
-
C
5
6
4. Blank
F
5. C
C1
6.
-- Basic series designation
-- With quick terminals
-- With PCB terminals
-- With quick and PCB terminals
-- Single pole normally open
-- Standard type
-- Class F
-- Dust cover
-- Flanged cover
-- Coil voltage (please refer to the
coil rating data for the availability)
Contact Rating
Resistive load
Inductive load (cos =0.7)
25A 250VAC
20A 250VAC (Inrush 80A)
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 70°C
Pick up
Drop out
Power consumption
at rated
voltage
voltage(Max.) voltage(Min.)
at 23°C
at 23°C
137
SONG CHUAN
852
Specification
Contact material
Contact resistance
Operate time
(1)
(1)
AgSnO alloy
30m
Max. (1A/6VDC by 4 pipes m
meter)
20ms Max.
10ms Max.
100 M
Min. (DC 500V)
AC 1200V, 50/60Hz 1 min.
AC 3600V, 50/60Hz 1 min.
50Hz , amplitude 1.0 mm
50Hz , amplitude 2.0 mm
Release time
(1)
Insulation resistance
(1)
Dielectric strength
(1)
Between open contact
Between contact and coil
Vibration resistance
Operating extremes
Damage limits
10
10
10G
Shock resistance
Operating extremes
Damage limits
Mechanical
100G
10,000,000 operations
(frequency 18,000 operations/hr)
Life expectancy
Electrical
Operating ambient temperature
Weight
100,000 operations
(frequency 1,200 operations/hr)
-25 ~ +70°C (no freezing)
Approx. 31.5g
Note (1) initial value
Safety Approval
Certified
File No.
UL / CUL
E88991
VDE
40004735
Safety Approval Rating
UL / CUL
25A 277VAC
1HP 125VAC
1.5HP 250VAC
30A 277VAC (NO)
VDE
25A 250VAC T105
20A 250VAC cos 0.7
Outline Dimensions
1.5
30.4
(1.197)
(0.059)
852-P
28.5
(1.122)
(0.728)
(0.039)
(0.169)
138
(0.709)
18.5
4.3
1
18
SONG CHUAN
852
Mounting Holes
BOTTOM VIEW
PC Board Layout
BOTTOM VIEW
852-W
39.5
(1.555)
852-P/WP
(0.085)
2.15
20
(0.787)
4.5-2
(0.965)
24.5
4.95
(0.195)
22
(0.866)
(0.071)
Engineering Data
Coil temperature rise
100
90
100
90
Coil temperature rise
)
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
)
Temperature rise (
Temperature rise (
25A
20A
25A
20A
60
80
100
120
140
160
180
60
80
100
120
140
160
180
% of Nominal Coil Voltage (at 23
)
% of Nominal Coil Voltage (at 70
)
Life expectancy
10
7
Operate time/Release time
30
28
26
24
22
Operate time
Number of operations
Time (ms)
10
6
250VAC
20
18
16
14
12
10
8
6
1.5
1
0.5
max
min
10
5
avg
Release time
min
80
90
100
110 120 130 140 150 160 170 180
max
avg
10
4
70
0
1
5
10
15
20
25
% of Nominal coil voltage (at 23
)
AC resistive load/Switching current(A)
140
————
All specifications subject to change.
Please contact Song Chuan for update.
————
2.5
(0.177)
1.8-4
(0.098)
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