LS Electric USPE Series UL Type 1 Panel Surge Protective Device

LS Electric USPE series compact UL Listed Type 1 panel-mount surge protective devices with 25 kA or 50 kA surge capacity for North American power systems.

Key features

ANSI/UL1449 5th edition and CSA C22.2 Type 1 SPD
Surge capacity 25 kA or 50 kA (8/20 us); In 10 kA; SCCR 200 kA
Single phase, split phase, WYE and DELTA configurations from 120 V to 600 V
All-mode protection (L-N, L-G, N-G) with thermally protected MOVs
Compact waterproof plastic enclosure 90 x 58 x 41 mm with 12 AWG 762 mm leads
LED status indication (on = normal)

Specifications

Standards	ANSI/UL1449 5th Type 1, CSA C22.2
Connection	Parallel connected, 1 port
Frequency	47-63 Hz
Nominal discharge current In	10 kA
SCCR	200 kA
UL SPD category	Type 1 (T1)
Dimensions W x D x H	90 x 58 x 41 mm
Enclosure	Plastic, waterproof
Operating temperature	-40 to 80 C
Source	LS Electric Surge Protective Device catalog C01551-07 (2025-10), p. 41-44

USPE-120SP25-T1		Rated voltage Un: 120/240 V \| System: Split phase 3W+G \| MCOV: 150 V \| Surge capacity: 25 kA
USPE-240SP25-T1		Rated voltage Un: 240/480 V \| System: Split phase 3W+G \| MCOV: 320 V \| Surge capacity: 25 kA
USPE-120SPN25-T1		Rated voltage Un: 120/240 V \| System: Split phase 3W, no ground \| MCOV: 150 V \| Surge capacity: 25 kA
USPE-240SPN25-T1		Rated voltage Un: 240/480 V \| System: Split phase 3W, no ground \| MCOV: 320 V \| Surge capacity: 25 kA
USPE-127S25-T1		Rated voltage Un: 127 V \| System: Single phase 2W+G \| MCOV: 150 V \| Surge capacity: 25 kA
USPE-277S25-T1		Rated voltage Un: 277 V \| System: Single phase 2W+G \| MCOV: 320 V \| Surge capacity: 25 kA
USPE-347S25-T1		Rated voltage Un: 347 V \| System: Single phase 2W+G \| MCOV: 420 V \| Surge capacity: 25 kA
USPE-120SPNG25-T1		Rated voltage Un: 120/240 V \| System: Split phase 3W+G \| MCOV: 150 V \| Surge capacity: 25 kA
USPE-240SPNG25-T1		Rated voltage Un: 240/480 V \| System: Split phase 3W+G \| MCOV: 320 V \| Surge capacity: 25 kA
USPE-240D25-T1		Rated voltage Un: 240 V \| System: Three phase DELTA 3W+G \| MCOV: 320 V \| Surge capacity: 25 kA
USPE-480D25-T1		Rated voltage Un: 480 V \| System: Three phase DELTA 3W+G \| MCOV: 550 V \| Surge capacity: 25 kA
USPE-600D25-T1		Rated voltage Un: 600 V \| System: Three phase DELTA 3W+G \| MCOV: 690 V \| Surge capacity: 25 kA
USPE-120YC25-T1		Rated voltage Un: 120/208 V \| System: WYE, N-G mode deleted \| MCOV: 150 V \| Surge capacity: 25 kA
USPE-127YC25-T1		Rated voltage Un: 127/220 V \| System: WYE, N-G mode deleted \| MCOV: 150 V \| Surge capacity: 25 kA
USPE-240YC25-T1		Rated voltage Un: 240/415 V \| System: WYE, N-G mode deleted \| MCOV: 320 V \| Surge capacity: 25 kA
USPE-277YC25-T1		Rated voltage Un: 277/480 V \| System: WYE, N-G mode deleted \| MCOV: 320 V \| Surge capacity: 25 kA
USPE-347YC25-T1		Rated voltage Un: 347/600 V \| System: WYE, N-G mode deleted \| MCOV: 420 V \| Surge capacity: 25 kA
USPE-120YN25-T1		Rated voltage Un: 120/208 V \| System: Three phase WYE 4W, no ground \| MCOV: 150 V \| Surge capacity: 25 kA
USPE-127YN25-T1		Rated voltage Un: 127/220 V \| System: Three phase WYE 4W, no ground \| MCOV: 150 V \| Surge capacity: 25 kA
USPE-240YN25-T1		Rated voltage Un: 240/415 V \| System: Three phase WYE 4W, no ground \| MCOV: 320 V \| Surge capacity: 25 kA
USPE-277YN25-T1		Rated voltage Un: 277/480 V \| System: Three phase WYE 4W, no ground \| MCOV: 320 V \| Surge capacity: 25 kA
USPE-347YN25-T1		Rated voltage Un: 347/600 V \| System: Three phase WYE 4W, no ground \| MCOV: 420 V \| Surge capacity: 25 kA
USPE-120SP50-T1		Rated voltage Un: 120/240 V \| System: Split phase 3W+G \| MCOV: 150 V \| Surge capacity: 50 kA
USPE-240SP50-T1		Rated voltage Un: 240/480 V \| System: Split phase 3W+G \| MCOV: 320 V \| Surge capacity: 50 kA
USPE-120SPN50-T1		Rated voltage Un: 120/240 V \| System: Split phase 3W, no ground \| MCOV: 150 V \| Surge capacity: 50 kA
USPE-240SPN50-T1		Rated voltage Un: 240/480 V \| System: Split phase 3W, no ground \| MCOV: 320 V \| Surge capacity: 50 kA
USPE-127S50-T1		Rated voltage Un: 127 V \| System: Single phase 2W+G \| MCOV: 150 V \| Surge capacity: 50 kA
USPE-277S50-T1		Rated voltage Un: 277 V \| System: Single phase 2W+G \| MCOV: 320 V \| Surge capacity: 50 kA
USPE-347S50-T1		Rated voltage Un: 347 V \| System: Single phase 2W+G \| MCOV: 420 V \| Surge capacity: 50 kA

Surge Protective DevicesLS Electric

29 product codes available in this family

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LS Electric USPE Series UL Type 1 Panel Surge Protective Device

Brand LS Electric·Surge Protective Devices

Available part numbers (29)

USPE-120SP25-T1, USPE-240SP25-T1, USPE-120SPN25-T1, USPE-240SPN25-T1, USPE-127S25-T1, USPE-277S25-T1, USPE-347S25-T1, USPE-120SPNG25-T1, USPE-240SPNG25-T1, USPE-240D25-T1 + 19 more — see full table ↓

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Product codes & specifications

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RFQ List (0)

	Product code	Spec
	USPE-120SP25-T1	Rated voltage Un: 120/240 V \| System: Split phase 3W+G \| MCOV: 150 V \| Surge capacity: 25 kA
	USPE-240SP25-T1	Rated voltage Un: 240/480 V \| System: Split phase 3W+G \| MCOV: 320 V \| Surge capacity: 25 kA
	USPE-120SPN25-T1	Rated voltage Un: 120/240 V \| System: Split phase 3W, no ground \| MCOV: 150 V \| Surge capacity: 25 kA
	USPE-240SPN25-T1	Rated voltage Un: 240/480 V \| System: Split phase 3W, no ground \| MCOV: 320 V \| Surge capacity: 25 kA
	USPE-127S25-T1	Rated voltage Un: 127 V \| System: Single phase 2W+G \| MCOV: 150 V \| Surge capacity: 25 kA
	USPE-277S25-T1	Rated voltage Un: 277 V \| System: Single phase 2W+G \| MCOV: 320 V \| Surge capacity: 25 kA
	USPE-347S25-T1	Rated voltage Un: 347 V \| System: Single phase 2W+G \| MCOV: 420 V \| Surge capacity: 25 kA
	USPE-120SPNG25-T1	Rated voltage Un: 120/240 V \| System: Split phase 3W+G \| MCOV: 150 V \| Surge capacity: 25 kA
	USPE-240SPNG25-T1	Rated voltage Un: 240/480 V \| System: Split phase 3W+G \| MCOV: 320 V \| Surge capacity: 25 kA
	USPE-240D25-T1	Rated voltage Un: 240 V \| System: Three phase DELTA 3W+G \| MCOV: 320 V \| Surge capacity: 25 kA
	USPE-480D25-T1	Rated voltage Un: 480 V \| System: Three phase DELTA 3W+G \| MCOV: 550 V \| Surge capacity: 25 kA
	USPE-600D25-T1	Rated voltage Un: 600 V \| System: Three phase DELTA 3W+G \| MCOV: 690 V \| Surge capacity: 25 kA
	USPE-120YC25-T1	Rated voltage Un: 120/208 V \| System: WYE, N-G mode deleted \| MCOV: 150 V \| Surge capacity: 25 kA
	USPE-127YC25-T1	Rated voltage Un: 127/220 V \| System: WYE, N-G mode deleted \| MCOV: 150 V \| Surge capacity: 25 kA
	USPE-240YC25-T1	Rated voltage Un: 240/415 V \| System: WYE, N-G mode deleted \| MCOV: 320 V \| Surge capacity: 25 kA
	USPE-277YC25-T1	Rated voltage Un: 277/480 V \| System: WYE, N-G mode deleted \| MCOV: 320 V \| Surge capacity: 25 kA
	USPE-347YC25-T1	Rated voltage Un: 347/600 V \| System: WYE, N-G mode deleted \| MCOV: 420 V \| Surge capacity: 25 kA
	USPE-120YN25-T1	Rated voltage Un: 120/208 V \| System: Three phase WYE 4W, no ground \| MCOV: 150 V \| Surge capacity: 25 kA
	USPE-127YN25-T1	Rated voltage Un: 127/220 V \| System: Three phase WYE 4W, no ground \| MCOV: 150 V \| Surge capacity: 25 kA
	USPE-240YN25-T1	Rated voltage Un: 240/415 V \| System: Three phase WYE 4W, no ground \| MCOV: 320 V \| Surge capacity: 25 kA
	USPE-277YN25-T1	Rated voltage Un: 277/480 V \| System: Three phase WYE 4W, no ground \| MCOV: 320 V \| Surge capacity: 25 kA
	USPE-347YN25-T1	Rated voltage Un: 347/600 V \| System: Three phase WYE 4W, no ground \| MCOV: 420 V \| Surge capacity: 25 kA
	USPE-120SP50-T1	Rated voltage Un: 120/240 V \| System: Split phase 3W+G \| MCOV: 150 V \| Surge capacity: 50 kA
	USPE-240SP50-T1	Rated voltage Un: 240/480 V \| System: Split phase 3W+G \| MCOV: 320 V \| Surge capacity: 50 kA
	USPE-120SPN50-T1	Rated voltage Un: 120/240 V \| System: Split phase 3W, no ground \| MCOV: 150 V \| Surge capacity: 50 kA
	USPE-240SPN50-T1	Rated voltage Un: 240/480 V \| System: Split phase 3W, no ground \| MCOV: 320 V \| Surge capacity: 50 kA
	USPE-127S50-T1	Rated voltage Un: 127 V \| System: Single phase 2W+G \| MCOV: 150 V \| Surge capacity: 50 kA
	USPE-277S50-T1	Rated voltage Un: 277 V \| System: Single phase 2W+G \| MCOV: 320 V \| Surge capacity: 50 kA
	USPE-347S50-T1	Rated voltage Un: 347 V \| System: Single phase 2W+G \| MCOV: 420 V \| Surge capacity: 50 kA

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LS Electric USPE Series UL Type 1 Panel Surge Protective Device