Brand: Intermatic · SKU: L5F21S1DG2 · UPC: 078275151703 · Category: Surge protection · Type: Surge Protection
Intermatic L5F21S1DG2 is a surge protective device built for single-phase electrical distribution equipment. It is rated for 4-mode protection on 120/240 VAC single-phase systems and carries a Type 2 classification. This surge protective device is intended for electricians and contractors installing transient voltage surge suppression ahead of, or within, a distribution panel or switchboard, where it can help shield downstream equipment from voltage spikes on the line. It carries a surge current rating of 50kA. An EMI/RFI filter is built into the unit. This version adds an audible alarm with a Form C dry contact, so status can be monitored locally or wired out to a building automation or annunciator system. Refer to the Intermatic spec sheet for full installation and wiring requirements before selecting a replacement or new unit.
The Intermatic L5F21S1DG2 is rated at 50kA.
It is designed for 120/240 VAC single-phase systems.
Yes, this version includes an audible alarm with a Form C dry contact for remote monitoring.
Specification sheet (PDF)
Back to the catalog