TRANSTECTOR I2R-75KD480 Alternate CITEL DS74US-480D

##TRANSTECTOR I2R-75KD480
Comparison CITEL DS74US-480D
Surge Protective Device (SPD)

CITEL DS74US-480D Surge Protector	TRANSTECTOR I2R-75KD480 Surge Protector
Intended Application	System
System Voltage	480Vac
Number of Phases	3D
Conductors	3W+G
Configuration	Delta

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	E321582
Model	DS74US-480D	I2R-75KD480
Product Image
UL.com Ratings	UL CARD	UL CARD
UL APPROVAL	LISTED	RECOGNIZED
UL MARK
Agency cert. and Approvals	UL 1449 5th Edition	UL 1449 4th Edition
SPD Type	Type 1	Type 1CA
Nominal Voltage (V)	480	480
AC/DC DC PV	AC	AC
Phase	3D	3D
Amps (A)	N/A	N/A
Ambient Min (C)	-40	-40
Ambient Max (C)	75	85
Mode
	L-L L-G	L-L L-G
Surge Rating	VPR (Vpk)	VPR (Vpk)
L-L L-G	1500 1500	3000 1500
MCOV (V)
L-L L-G	550 550	1100 1100
In (kA)	20	10
Imax (kA)	75	75
Additional Data Sheet Ratings
Short Circuit Current Rating (kA)	200	200
Protection Circuit	MOV Technology	MOV Technology
Leakage Current	Yes	Yes
Environmental Rating	NEMA 1	NEMA 1
# of Wires	4	4
Modes of Protection	Common Mode Differential Mode	Common Mode Differential Mode
Warranty	10-years	10-years

Determining the acceptability of an SPD for your UL equipment 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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