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Gefran Single-phase solid state relay, up to 120A integrated heatsink
Correct management of electrical heating elements for industrial heating applications requires robust, safe, interference-free, fast, and diagnostically capable static contactors. The range of static contactors with GRS-H heatsink meets all these requirements, with current ratings from 15 to 120 Amperes and voltages up to 600 V AC, with extremely compact size in every single current level.
- Ultra slim dimension
- DIN rail and panel mounting installation.
- Zero crossing (ZC) switching mode.
- Vdc / Vac command signal
- Load voltage 480Vac, 600Vac
- Thermal alarm option with led and digital output status
- Load break alarm option with led and digital output status
- Overvoltage protection
- SCCR 100KA
- Command wiring push-in terminal.
- Power cable box clamp terminal
- Interrupted load option with led and alarm output.
GRS COMMAND SIGNAL CONNECTION
The GRS-H series can be controlled by DC and AC logical signals managed through push-in connectors for a faster and easier connection, even without tools. The ON / OFF status of the static device is always displayed by a green LED on the front panel, for an immediate view of its operation.
DIAGNOSTICS AND ALARMS
The GRS-H series offers a series of diagnostic information associated with a physical alarm output with voltage-free or
PNP-type isolated contact. The thermal alarm is triggered if heat dissipation exceeds a critical threshold, signaling it with a yellow led on the front panel, interrupting the power supply, and triggering the alarm output (NO or NC). This function is available for all sizes as an option. The absence of current on the load (for models with DC control) is indicated by a red LED on the front panel and by the activation of the alarm.