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Transformers

Honeywell offers NEMA — standard DC20-1992 and general purpose transformers with single or multiple input voltages and with foot, conduit and plate mounting options. Honeywell also designs transformers for specific environmental requirements and with specialized termination options.

AT20B

AT20B

Conduit clamp mounted Transformer

AT20

AT20

Honeywell 19 VA transformers power 24V systems including thermostats, gas valves and relays.

AT40

AT40

Honeywell 40 VA transformers power 24V systems including thermostats, gas valves and relays.

AT41

AT41

Honeywell 40 VA transformer in phenolic enclosure features 1/2" spud mounting. The class 2 transformer is without a fusible link or overload protection.

AT72

AT72

Honeywell 40 VA transformers power 24V systems including thermostats, gas valves and relays.

AT87

AT87

Honeywell 48 VA powers 24V air conditioning circuits and other applications that do not exceed the listed ratings.

AT88

AT88

Honeywell 75 VA transformers powers 24 Vac air conditioning circuits and other applications that do not exceed the listed ratings.

AT120

AT120

Honeywell 20 VA general purpose transformers power 24 Vac circuits. Although typically used in heating/cooling control systems, they can be used in any application that doesn't exceed the load ratings.

AT140

AT140

Honeywell 40 VA general purpose transformers power 24 Vac circuits. Although typically used in heating/cooling control systems, they can be used in any application that doesn't exceed the load ratings.

AT150

AT150

Honeywell 50 VA general purpose transformers power 24 Vac circuits. Although typically used in heating/cooling control systems, they can be used in any application that doesn't exceed the load ratings.

AT175

AT175

Honeywell 75 VA general purpose transformers power 24 Vac circuits. Although typically used in heating/cooling control systems, they can be used in any application that doesn't exceed the load ratings.

Accessories

Accessories

Brackets and covers expand mounting options