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Honeywell AT87A1189 48VA 277V to 24V HVAC Transformer MFG# AT87A1189

SKU: AT87A1189/U

$118.18

Only 1 left in stock

Same-item volume pricing
QuantityUnit priceSaving
1–4$118.180%
5–9$112.275%
10+$106.3610%

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Honeywell AT87A1189/U 48VA 277V to 24V Transformer

MFG# AT87A1189/U | REM# 1C933

The Honeywell AT87A1189/U is a 48 VA Type E foot-mounted HVAC transformer designed to power 24-volt air conditioning and heating control circuits. Built to meet NEMA standards for Type E transformers, this unit provides reliable low-voltage control power in commercial and industrial HVAC systems.

Ideal for systems operating on 277V primary power commonly found in commercial buildings.


Key Specifications:

• 48 VA Power Rating
• 277V Primary Voltage
• 24V Secondary Output (26.5V rated)
• 13″ Color-Coded Lead Wires
• Foot-Mounted Design
• Meets NEMA Type E Standards
• 50/60 Hz Operation

Product details

Part / SKU AT87A1189/U

Package includes

  • Honeywell AT87A1189 48VA 277V to 24V HVAC Transformer MFG# AT87A1189

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

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