Isolating Switch
AmplifiersREGULATING EQUIPMENT
ISOLATING SWITCH AMPLIFIER || 3-POINT CONTROLLER || EMERGENCY POWER SUPPLY UNIT || FLOW TRANSMITTER || PRESSURE TRANSDUCER || TEMPERATURE TRANSDUCER || VOLTAGE TRANSFORMER || DIGITAL DISPLAY UNIT
The type 1520 and 1521 isolating switch amplifiers are suitable for the following applications:
When the isolating switch amplifier is used, reed switches and other light duty switches will be protected against overloads since they will then not have to deal with currents above their rating. There is a danger of overload, with sparking and high currents caused by self-inductance voltages when breaking inductive loads such as power relays, solenoid valves and motors.
Both the control circuits are galvanically separated from the mains so that, if an earth fault occurs, no high voltages will appear on the installation.
These E-Modules are used in conjunction with GEMÜ type series 1251-1257 limit switches or GEMÜ type series 1211, 1214 and 1232 position indicators.
Type 1520
Type 1520/000/Z 02
Desk or panel mounting, 2 relays
1 x Min. (red LED); 1 x Max. (red LED); 1 x mains (yellow LED)
Type 1520/000/Z 04
Desk or panel mounting, 4 relays
2 x Min. (red LED); 2 x Max. (red LED); 1 x mains (yellow LED)
Type 1521
Type 1521/000/Z 02
Eurocard with 31 pole terminal block to DIN 41617 for 19" or 24" rack;
2
relays
1 x Min. (red LED); 1 x Max. (red LED); 1 x mains (yellow LED)
Type 1521/000/Z 04
Eurocard with 31 pole terminal block to DIN 41617 for 19" or 24" rack;
4
relays
2 x Min. (red LED); 2 x Max. (red LED); 1 x mains (yellow LED)
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