SPDN-A277-3Y Series

SPD, NEMA, 130KA, 277V, Wye, Filter

Manufacturer: Littelfuse/Commercial Vehicle Products

Catalog

SPD, NEMA, 130KA, 277V, Wye, Filter

Part	Voltage - Continuous Operating (Max) (MCOV) [Max]	Current - Discharge (Nom) (8/20µS)	Type	Current - Discharge (Max) (8/20µS) [Max]	Features	Approval Agency	Voltage - Protection Rating (VPR)	Current - Short Circuit Rating (SCCR)	Number of Poles	Operating Temperature [Max]	Operating Temperature [Min]	Form
Littelfuse/Commercial Vehicle Products SPDN-A277-3Y	350 V	20 kA	Type 2	130 kA	Thermally Protected Visual Life Indicator	cULus	2.5 kV	200 kA	1	85 °C	-40 °C	Module Only

Catalog

SPD, NEMA, 130KA, 277V, Wye, Filter

Key Features

• More direct modes of protection (L-N, L-G, N-G) in a smaller package

• UL 1283 EMI/RFI filtering ñ 50 dB from 10 kHz to 100 MHz

• Capability to clamp and withstand high-energy transients

• Stacked Metal Oxide Varistor (MOV) design

• Installs on the load side of the circuit breaker

• Thermally protected MOV

• External LED indicator

• Compact footprint

Description

Surge protective devices (SPDs) provide equipment protection from transient overvoltage events lasting microseconds. By limiting the overvoltage to the equipment during these events, costly damage and downtime can be mitigated. The NEMA-style SPDN series for external panel mount is available for 120 V to 480 V nominal voltage sub-distribution board applications.