Littelfuse SPDN-B120-3Y
Comparison CITEL M50-120Y-B
Surge Protective Device (SPD)

Intended Application System
System Voltage	208/120 Vac
Number of Phases	3Y
Conductors	4W+G
Configuration	WYE

PRODUCT COMPARISON TABLE

This page collects publicly available data from ul.com and assembles a side by side reference table for a convenient product cross reference.

Manufacturer		Littelfuse
UL File #	E326289	E210793
Model	${ITEM_LINK#2178956}<-No Item, #2178956 M50-120Y-B	STXR208Y05
Product Image
UL.com Ratings	UL CARD	UL CARD
UL APPROVAL	LISTED	LISTED
UL MARK
SPD Type	Type 1	Type 1
Volt (V)	208/120	208/120
AC/DC DC PV	AC	AC
Phase	3	3
Amps (A)	n/a	n/a
Ambient Min (C)	-35	-40
Ambient Max (C)	80	85
Mode
L-L L-N L-G N-G	L-L L-N L-G N-G	L-L L-N L-G N-G
VPR (Vpk)
L-L L-N L-G N-G	1200 700 1200 1200	1000 600 700 500
MCOV
L-L L-N L-G N-G	280 140 140 120	300 150 150 150
In (kA)	20	20
SCCR (kA)	150	200
Additional Data Sheet Ratings
Surge Current Rating (kA)	50	50
Protection Circuit	MOV-GSG	TMOV
Leakage Current	No	Yes
TOV Optimized	No	No
Diagnostics	LED/phase & Audible Alarm	LED Indicator
Environmental Rating	NEMA 6	RoHS
# of Wires	5	5
Modes of Protection	Common Mode Differential Mode	Common Mode Differential Mode
Warranty	10-years	-

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