M9L33480
Comparison CITEL DS73US-277Y/NN
Surge Protective Device (SPD)

CITEL DS73US-277Y/NN Surge Protector	SCHNEIDER ELECTRIC M9L33480 Surge Protector
Intended Application System
System Voltage	277/480Vac
Number of Phases	3-Phase
Conductors	3 Wire + Ground
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
UL File #	E326289	E514545
Model	DS73US-277Y/NN	M9L33480
Product Image
UL.com Ratings	UL CARD	UL CARD
UL APPROVAL	LISTED	RECOGNIZED
UL MARK
SPD Type	UL 1449 5th Ed. Listed Type 1	UL Recognized 1449 4th Ed. Type 1CA
Volt (V)	277/480	277/480
AC/DC DC PV	AC	AC
Phase	3Y	3Y
Amps (A)	n/a	n/a
Ambient Min (C)	-40	-40
Ambient Max (C)	85	85
Mode
L-L L-N L-G N-G	L-L - L-G n/a	L-L L-N - n/a
VPR (Vpk)
L-L L-N L-G N-G	2500 - 1500 n/a	2000 1000 - n/a
MCOV
L-L L-N L-G N-G	840 - 420 n/a	640 320 - n/a
In (kA)	20	20
SCCR (kA)	200	200
Additional Data Sheet Ratings
Surge Current Rating (kA)	75	75
Protection Circuit	TMOV	TMOV
Leakage Current	Yes	Yes
TOV Optimized	No	No
Diagnostics	Mechanical Indicator & Remote Contacts	Mechanical Indicator & Remote Contacts
Environmental Rating	IP20	IP20
# of Wires	4	4
Modes of Protection	Common Mode Differential Mode	Common Mode Differential Mode
Warranty	10-years	2-years

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