Martens GS125 - Limit Value Switch

Wide-range power supply
Voltage : 20..125 V DC and
20..250 V AC, (47 - 63Hz), max. 1.5W
24 V power supply
Voltage : 24 V DC +/-15%, max. 1.5W
Combined data
Rated voltage : 253 V AC
Test voltage : 3kV AC between
input/relay output/auxiliary voltage
Operating temperature : -10..60 °C
Storage temperature : -20..80 °C
Air humidity : 10..90 % (non-condensing)
Measurement inputs
Voltage : 0/2..10 V, Ri approx. 20 kΩ
Current : 0/4..20 mA, Ri approx. 60 Ω
Pt100 : linearised, measurement current
approx. 1.6 mA
Relays become inactive if there is a
sensor break or short-circuit
Thermocouple : linearised with comparison position
compensation
Resistance : (3-wire), nominal value 500 Ω..20 kΩ
Internal reference voltage approx. 1.5 V
Relay outputs
Switching voltage : < 250 V AC <2 A <500 VA
< 125 V DC <0.2 A <25 W
< 30 V DC <2 A <60 W
Switching frequency : max. 5 Hz
Switching hysteresis : approx. 1%
Functional safety : SIL2 in accordance with EN61508
(specific data available on request)
Setpoint setting : Scale precision: 2 %
Actual value output : 4..20 mA, resistance max. 120 Ω,
No galvanic isolation from the
input signal