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SIPROTEC 7SJ81/7SK81 V4.70, Product Information
E50417-K1150-C462-A2, Edition 02.2012
Binary Inputs
Rated Direct Voltage Range
24 V to 250 V, bipolar
Maximum Permissible Voltage
300 V
Output relays
Signal/Command Relay
Alarm Relay
Switching Capability
MAKE
1000 W/VA
BREAK
30 VA at L/R
≤
40 ms
40 W resistive
Switching Voltage
250 V
Permissible Current per Contact and
5 A continuous
Total Current on Common Path
30 A for 1 s
Interference suppression capacitors
2.2 nF, +/- 20 %
across the relay contacts
Temperatures
– Type tested
-13 °F to +185 °F or -25 °C to +85 °C
(acc. IEC60068-2-1 and -2, tested for 16 h)
– Temporarily allowed operating temperature
(tested for 96 h)
-4 °F to +158 °F or -20 °C to +70 °C
– Recommended permanent operating temperature
(acc. IEC 60255-6)
+23 °F to +131 °F or -5 °C to +55 °C
– Limiting temperature for storage -13 °F to +131 °F or -25 °C to +55 °C
– Limiting temperature for transport
-13 °F to +158 °F or -25 °C to +70 °C
Storage and transport with standard works packaging!
NO CONDENSATION!
Degree of Protection
according to IEC 60529
– For the device
panel flush mounting Front
IP
51
Back
IP
50
– Protection against contact
IP 1x