Technical Specifications 4 independent SPDT relay channels; contact rating: 5 A resistive at 250 V AC, 3 A at 30 V DC; coil voltage: 24 V DC; contact isolation: 1500 V AC coil-to-contact; operating temperature: -40 °C to +70 °C; mechanical life: > 10 million operations; electrical life: > 100,000 operations at rated load; enclosure: IP20.
Functional Features Galvanically isolated relay outputs; SPDT contact configuration; per-channel status indication; coil surge suppression; contact arc suppression for inductive loads; rack mount design.
Application Scenarios Engine and turbine alarm annunciation, equipment trip control, safety interlock circuits, control system output interfacing, remote relay switching.
Performance Parameters Operate time: < 15 ms; release time: < 10 ms; contact bounce: < 3 ms; dielectric strength: 1500 V AC for 1 min.
Material Composition Flame-retardant plastic housing, electromechanical relays with silver alloy contacts, copper coil windings, surge suppression diodes, screw terminal connectors.
Structural Characteristics Standard rack plug-in module; front channel status LEDs; rear screw terminal block for all wiring; standard mounting footprint.
Working Principle The module receives control signals from the control system, energizes individual relay coils to switch the contact states, providing galvanically isolated switching of external alarm, trip and control circuits.
There are no reviews yet.