Binary Inputs; Output Relays; Temperatures; Degree Of Protection According To Iec 60529 - Siemens SIPROTEC 7SJ81 Manual

Binary Inputs

Rated Direct Voltage Range
Maximum Permissible Voltage

Output relays

Signal/Command Relay
Alarm Relay
Switching Capability
Switching Voltage
Permissible Current per Contact and
Total Current on Common Path
Interference suppression capacitors
across the relay contacts

Temperatures

– Type tested
(acc. IEC60068-2-1 and -2, tested for 16 h)
– Temporarily allowed operating temperature
(tested for 96 h)
– Recommended permanent operating temperature
(acc. IEC 60255-6)
– Limiting temperature for storage -13 °F to +131 °F or -25 °C to +55 °C
– Limiting temperature for transport
Storage and transport with standard works packaging!
NO CONDENSATION!

Degree of Protection according to IEC 60529

– For the device
panel flush mounting
– Protection against contact
34
24 V to 250 V, bipolar
300 V
MAKE 1000 W/VA
30 VA at L/R ≤ 40 ms
BREAK
40 W resistive
250 V
5 A continuous
30 A for 1 s
2.2 nF, +/- 20 %
-13 °F to +185 °F or -25 °C to +85 °C
-4 °F to +158 °F or -20 °C to +70 °C
+23 °F to +131 °F or -5 °C to +55 °C
-13 °F to +158 °F or -25 °C to +70 °C
Front IP 51
Back IP 50
IP 1x
SIPROTEC 7SJ81/7SK81 V4.70, Product Information
E50417-K1150-C462-A2, Edition 02.2012