Single Phase Solid State Relays
HIGHLIGHTS
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INPUT: AC CONTROL
OUTPUT: DIRECT COPPER BONDED BACK-TO-BACK
SCR
OPTO ISOLATION 2500 VAC (4000 V optional)
ZERO VOLTAGE TURN-ON or RANDOM TURN-ON
HIGH DV/DT
SAFETY COVER (optional)
CHASSIS MOUNTABLE
LED INDICATOR SHOWING RELAY 'ON' STATUS
Weight = 106 g
Series: 20 SJ/K
(J: Zero voltage turn-on; K: Random turn-on)
25 – 90 A
ELECTRICAL SPECIFICATIONS
Parameter
Symbol
PSB 20 A
122528
Type
PSB 20 A
125028
PSB 20 A
127528
PSB 20 A
129028
Unit
AC CONTROL
Control voltage range
Control current range
Pick-up voltage
Drop-out voltage
Input resistance
OUTPUT
Mains control voltage
Repetitive peak off state voltage
RMS on-state current
Zero turn-on voltage
On-state voltage drop
Off-state leakage current @ rated voltage
Peak one cycle surge current (non-rep)
Holding current
Critical rate of rise of off-state voltage
Thermal resistance (junction to case)
Frequency range
Operating temperature
Turn-on time
Turn-off time
Fusing current
90-280
4-25
90
10
90-280
4-25
90
10
90-280
4-25
90
10
90-280
4-10
90
10
Vac
mA
Vac
Vac
Current regulator
V
RMS
V
DRM
I
T
V
TM
I
DRM
I
TSM
I
H
dv/dt
R
thjc
f
T
O
T-on
T-off
It
2
100-480
100-480
100-480
100-480
1200-1600 1200-1600 1200-1600 1200-1600
25
50
75
90
35
35
35
35
1.6
2.0
2.0
2.0
10
10
10
10
400
500
1150
1350
250
250
250
250
1000
1000
1000
1000
1.38
0.7
0.6
0.56
47-63
47-63
47-63
47-63
-30 to +80 -30 to +80 -30 to +80 -30 to +80
40
40
40
40
80
80
80
80
600
1250
5000
5000
Vac
Vpk
A
Vac
Vac
mA
A
mA
V/µs
K/W
Hz
°
C
ms
ms
As
2
released, E 197669
POWERSEM reserves the right to change limits, test conditions and dimensions -
info@POWERSEM.net
- www.POWERSEM.net
POWERSEM 2005 All rights reserved
Single Phase Solid State Relays
MECHANICAL SPECIFICATIONS
Dimensions in mm
90
F
75
60
CURRENT (A)
50
45
F
30
25
15
F
10
20
30
40
50
60
70
80
90
AMBIENT TEMPERATURE ( C )
EXTERNAL HEATSINK THERMAL RESISTANCE: 0,14 K/W
VALID FOR SERIES: PSB 20 SJK ( 25 - 90 A )
POWERSEM reserves the right to change limits, test conditions and dimensions -
info@POWERSEM.net
- www.POWERSEM.net
POWERSEM 2007 All rights reserved
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