SQUARE D SDSA4040 by Schneider Electric Alternate M50-277Y-B

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CITEL M50-277Y-B Surge Protector	Square D SDSA4040 Surge Protector
Intended Application System
System Voltage	277/480Vac
Number of Phases	3-Phase
Conductors	4 Wire + Ground
Configuration	WYE

PRODUCT COMPARISON

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

Manufacturer		Square D
UL File #	E326289	E3314042
Model	M50-277Y-B	SDSA4040
Product Image
UL.com Ratings	UL CARD	UL CARD
UL APPROVAL	LISTED	LISTED
UL MARK
SPD Type	1	1
Volt (V)	277/480	277/480
AC/DC DC PV	AC	AC
Phase	3Y	3Y
Amps (A)	n/a	n/a
Ambient Min (C)	-35	-35
Ambient Max (C)	80	80
Mode
	L-L L-N L-G N-G	L-L L-N - -
VPR (Vpk)
L-L L-N L-G N-G	2500 1200 1500 1200	2500 1200 - -
MCOV
L-L L-N L-G N-G	560 320 320 280	840 420 - -
In (kA)	20	10
SCCR (kA)	150	200
Additional Data Sheet Ratings
Surge Current Rating (kA)	50	40
Protection Circuit	Hybrid TMOV+GSG	TMOV
Leakage Current	No	Yes
TOV Optimized	Yes	No
Diagnostics	LED Audible Alarm	LED
Environmental Rating	NEMA 4X NEMA 6 (submersible)	NEMA 4X
# of Wires	5	4
Modes of Protection	Common Mode Differential Mode	- Differential Mode

Notes
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UL data is publicly available with a free account at UL.com. The data has been reviewed by our engineering department. From time to time, the applicants UL file (including CITEL's) may become changed or updated at UL.com due to new testing or corrections to a report. At the time of this comparison you will find this information to be accurate to the UL web site. If you find any information requires an update, please bring to our attention and it will be updated immediately.


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