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Honeywell AT87 Transformer

Transformer
AT87

Used primarily for powering 24V air conditioning circuits. Can also be used in other applications that do not exceed the listed ratings.

• Meets NEC Class 2 not wet, Class 3 wet and UL 1585 requirements. 
• Meets NEMA Standard DC20-1992. 
• Transformer marked NEMA Type E. 
• Overload protection provided. 
• Color-coded leadwires for primary connections.

Select a link under the "item" tab below to order.

Cat #IncludesMountingNEMA Rating(inch)Prot Note(Primary Voltage)(Secondary Voltage)(Output)(Primary) (inch)(Secondary) (inch)
AT87A1049Energy limiting overload protectionFoot-mountedNEMA type E2 15/16 in. deep x 2 7/32 wide120 Vac26.5 V.O.C.24 Vac at 48 VA12 in. leadwires12 in. leadwires
AT87A1106Built-in protection. Primary winding burnout.Foot mounted or 4x4 in plate.NEMA type E2 15/16 in. deep x 2 7/32 wide120 Vac, 208 Vac, 240 Vac26.5 V.O.C.24 Vac at 48 VA13 in. leadwires(2) screw terminals
AT87A1155Energy limiting overload protectionFoot-mountedNEMA type E2 15/16 in. deep x 2 7/32 wide480 Vac26.5 V.O.C.24 Vac at 48 VA12 in. leadwires12 in. leadwires
AT87A1189Energy limiting overload protectionFoot-mountedNEMA type E2 15/16 in. deep x 2 7/32 wide277 Vac26.5 V.O.C.24 Vac at 48 VA12 in. leadwires12 in. leadwires
Temperature Rating: -20 F to +105 F (-29 C to +41 C)
Frequency: 60 Hz
Approvals:  
Canadian Standards Association: Certified
Underwriters Laboratories Inc. UL Component Recognized
Dimensions, Approximate (inch): 2 15/16 in. deep x 2 7/32 wide
Electrical Ratings (Secondary Voltage): 26.5 V.O.C.
Electrical Ratings (Output): 24 Vac at 48 VA
NEMA Rating: NEMA type E


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