7PG21 Solkor Rf Performance Specification
©2010 Siemens Protection Devices Limited Chapter 2 Page 5 of 5
Supervision supply fail
relay (B22)
Hand Reset Flag
Receive Repeat Relay Self Rest Flag
Timing
B74 Repeat Element
Delay on drop off 400ms+-10%
4.3 Injection Intertripping
Rating Vx, 110-125V dc
Burden 1A at 125V dc full output
400mA with economy resistor
5 Environment
5.1 Temperature
IEC 60068-2-1/2
Type Level
Operating range
-10 °C to +55 °C
Storage range
-25 °C to +70 °C
5.2 Humidity
IEC 60068-2-3
Type Level
Operational test
56 days at 40 °C and 95 % relative humidity
5.3 IP Ratings
Type Level
Installed with cover on IP 51
Installed with cover removed IP 30
6 Mechanical Durability
Vibration, relays comply with BS142 section 2.1 Category S2.
Shock, relays withstand 20G shock or impact on the panel without operating
Operation/mechanical life, relays will withstand in excess of 10,000 operations.
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