电子插件FEM51  (AC 2-wire)

Two-wire AC version;

Switch the load directly into the power supply circuit via the thyristor.

Power supply

Supply voltage: 19...253 V AC

Power consumption: < 1.0 W

Residual current consumption (IR): < 4 mA; 5.5 mA for short fork (in switch-off moment < 1 mA for 100 ms)

Short-circuit protection

Separation voltage: 3.7 kV

FEM51 overvoltage protection: overvoltage category III

Electrical connection

Two-wire AC connection

Always connect in series with a load!

Check the following:

• the residual current consumption in blocked state

• that for low voltage

– the voltage drop across the load is such that  the minimum terminal voltage at the electronic insert (19 V) when blocked is not undershot.

– the voltage drop across the electronics when switched through is observed (up to 12 V)

• that a relay cannot de-energise with holding power below 1 mA.

If this is the case, a resistor should be connected parallel to the relay (RC module available on request).

• When selecting the relay, pay attention to the holding power / rated power

(See below "Connectable load")

Signal on alarm

Output signal on power failure or in the event of device failure: IR

Connectable load

• For relays with a minimum holding power/rated power > 2.5 VA at 253 V (10 mA) or > 0.5 VA at 24 V (20 mA)

• Relays with a lower holding power/rated power can be operated by means of an RC module connected in parallel

• For relays with a maximum holding power/rated power < 89 VA at 253 V or 8.4 VA at 24 V

• Voltage drop across FEM51 max. 12 V

• Residual current with blocked thyristor max. 4 mA (5.5 mA for short fork)

• Load current max. 350 mA (short-circuit proof)