Energy Control Systems Model 300006 Alternate CITEL M50-120T-B
Surge Protective Device (SPD)

	-
M50-120T-B	Model 300006
Intended Application System
System Voltage	240/120V
Number of Phases	Single Phase
Conductors	3 Wire + Ground
Configuration	Split

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		Energy Control Systems
UL File #	E326289	E363345
Model	M50-120T-B	Model 300006
Product Image		-
UL.com Ratings	UL CARD	UL CARD
UL APPROVAL	LISTED	LISTED
UL MARK
SPD Type	1	1
Volt (V)	240/120	240/120
AC/DC DC PV	AC	AC
Phase	1S	1S
Amps (A)	n/a	n/a
Ambient Min (C)	-35	-35
Ambient Max (C)	80	85
Mode	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	1200 700 1200 600
MCOV
L-L L-N L-G N-G	280 140 140 120	360 180 180 180
In (kA)	20	20
SCCR (kA)	150	200
Additional Data Sheet Ratings
Surge Current Rating (kA)	50	-
Protection Circuit	MOV-GSG	-
Leakage Current	No	-
TOV Optimized	No	-
Diagnostics	LED Indicator & Remote Contacts	-
Environmental Rating	ROHS	-
# of Wires	4	-
Modes of Protection	Common Mode Differential Mode	-
Warranty	10-years	N/A

Determining the acceptability of an SPD for UL 508A Control Panels and All Other UL Listed Equipment

The UL inspector will first consider the SPD type when determining it’s acceptability for a given application or piece of equipment. This will include UL 508A as well as all other UL Listed equipment. The first level compliance is based on the UL Approval (LISTED or RECOGNIZED) of the SPD or UL SPD Type and it’s Suitable Ratings. This means that it has to meet all safety, performance, environmental and electrical system ratings of the application. If any of these criteria are not fully met, it will require a Procedure Description, a File Update and/or Additional Testing. These actions will require additional costs that may be substantial. For this reason, it is in the interest of the specifier to use UL LISTED SPD’s to eliminate any uncertainty or to make sure the UL RECOGNIZED SPD is selected at the time of UL submittal of the equipment.

Approval Considerations Table based on UL SPD Type

UL Mark	UL1449 SPD Type	Suitable Ratings	Procedure Described	File Update or Additional Testing	Notes
	1 2	Yes	No	No	The only requirement is that the SPD must match electrical and environmental ratings of the UL 508A Control Panel. A UL field inspection of the control panel with the SPD installed is required as a part of a standard follow-up service visit.
	1CA 2CA 4CA 5	Yes	Yes	Yes	Yes – All UL recognized SPD’s require a UL engineering evaluation of the SPD’s existing UL1449 E–file. This will result, at a minimum, in a cost to update the UL file and may also require testing that would result in additional costs.

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