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AT40A1121/U

Foot mounted 120 V AC Transformer with 9 in lead wires

Resideo

AT40A1121/U

Foot mounted 120 V AC Transformer with 9 in lead wires

Resideo

AT40A1121/U

Foot mounted 120 V AC Transformer with 9 in lead wires

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Resideo

AT40A1121/U

Foot mounted 120 V AC Transformer with 9 in lead wires

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Install (2)

	Title	Date Posted	Size
	Product Data for AT20, AT40, AT72, AT87, AT88 Transformers (English)	10/1987	1379145 kb	PDF
	Installation Instructions for AT20, AT40, AT72D, AT87, AT88 Transformers (English, French)	08/2020	822594 kb	PDF

NEMA Rating	Yes
Primary Connection Size	9 in, 229 mm
Primary Input Voltage	120 V ac
Temperature Rating (Max)	105 °F, 41 °C
Temperature Rating (Min)	-20 °F, -29 °C
Secondary Connection Size	9 in, 229 mm
Secondary Connection Type	Color coded primary and secondary Leadwires
Secondary Open Circuit Voltage	26.5 V.O.C.
VA Rating	40 VA
Frequency	50 Hz; 60 Hz
Approvals and Standards	CSA Certified, NEC Class 2, UL Component Recognized
Color	Black
Ambient Operating Temperature (Max)	105 °F, 41 °C
Ambient Operating Temperature (Min)	-20 °F, -29 °C
Product Height	2.1 in; 53 mm
Product Length	2.63 in; 67 mm
Product Weight	1.8 lb
Product Width	2.2 in; 56 mm

Direct Replacement (0)

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Functional Replacement (1)

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	AT72D1683/U	Multi Mount 40 VA Transformer	Sign In to View Pricing

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