Mersen 3G-OTH-22966 — Technical Specifications

Name: Mersen 3G-OTH-22966 MERSEN Surge Protection Device: Three Phase, 480V AC Wye, 3 Poles, 4 Wires, L-L/L-N, 320/640 V AC (MPN STP480Y07M). Key specifications — Voltage: 480V AC Wye; Number of Wires: 4 Wires; Modes of Protection: L-N; Max. Continuing Operating Voltage: 320/640 V AC; Voltage Protection Rating: 2500V (L-L); Short Circuit Current Rating: 200kA; Filtering: No; Includes: Form C Dry Contact.
Brand: Mersen

The MERSEN STP480Y07M is a three-phase, DIN-rail internal-mount surge protective device (SPD) for 480V AC Wye systems with 4 wires and 3 poles. It provides L-N mode protection, a voltage protection rating of 2500V (L-L), a short-circuit current rating of 200kA, and a maximum continuous operating voltage of 320/640 V AC. The unit includes a Form C dry contact and is housed in a polyethylene terephthalate enclosure.

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Technical Specifications

Parameter	Value
AC	320/640 V
Type	L-L/L-N
Brand	MERSEN
Poles	3
Wires	4
AC Wye	480V
Voltage	480V AC Wye
Includes	Form C Dry Contact
Filtering	No
Mounting Style	DIN-Rail
Number Of Wires	4 Wires
Enclosure Material	Polyethylene Terephthalate
Modes Of Protection	L-N
Manufacturer Part Number	STP480Y07M
Voltage Protection Rating	2500V (L-L)
Short Circuit Current Rating	200kA
Max. Continuing Operating Voltage	320/640 V AC