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HONEYWELL XFR824A – 24 Vac Control Transformer for Reliable Panel Power

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US$ 3456.00 ≥1 Blade
Key Specifications
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I/O Number:
HONEYWELL XFR824A
Place of Origin:
America
Model Number:
HONEYWELL XFR824A
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Xiamen Xiongba E-commerce Co., LTD
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Port of Shipment:
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I/O Number HONEYWELL XFR824A
Place of Origin America
Model Number HONEYWELL XFR824A
Condition NEW
Warranty One Year
Package Original Packaging
HS Code 850431
Company's Order Placement Process and Guarantees

  • Warranty: 365 days

  • Lead time: 1 week if in stock; no more than one month at the latest

  • Payment: 50% advance payment, full payment before delivery

  • Express options: FedEx, UPS, DHL

Key Features

  • 24 Vac secondary for BAS/HVAC loads – Ideal for powering actuators, thermostats, and I/O modules that expect 24 Vac.

  • Honeywell-grade build – Robust coil and lamination stack designed for continuous duty; typically runs cool in ventilated cabinets.

  • Clear terminal labeling – Simplifies wiring and reduces commissioning time, especially during retrofits.

  • Electrical isolation – Isolates field circuits from mains for safer maintenance and cleaner power to sensitive controls.

  • Panel-friendly form factor – Suits standard industrial enclosures; usually mounted near the controller power section.

  • Broad compatibility – Works well with Honeywell actuators/valves and many third-party BAS components that require 24 Vac.

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Technical Specifications
Brand / Model HONEYWELL XFR824A
HS Code 8504.31.0000 (Transformers, ≤1 kVA)
Primary Supply Typically 230 Vac, 50/60 Hz (A-suffix variants are commonly 230 Vac)
Secondary Output 24 Vac nominal, single-phase
Power Rating Typically around 80 VA for this code family (verify rating plate on the unit)
Operating Temperature Commonly 0 to +50 °C in cabinet environments
Signal I/O Types AC mains input (primary) / 24 Vac output (secondary)
Communication Interfaces None (passive transformer)
Installation Method Panel/cabinet mounting; screw or foot mounting; screw terminals
Application Fields

  • HVAC control panels for AHUs, FCUs, and rooftop units needing 24 Vac control power.

  • Building automation systems (BAS/BMS) powering I/O modules and small controller loads.

  • Damper/valve actuators and thermostatic control circuits (24 Vac).

  • Retrofits where a dependable 24 Vac source is required alongside existing Honeywell devices.

Advantages & Value

  • Reliability that reduces callouts – Stable output and low noise help avoid nuisance controller resets.

  • Compatibility – Pairs well with Honeywell actuators and many third‑party 24 Vac loads.

  • Procurement friendly – Straightforward spec, easy to substitute in multi-vendor panels.

  • Cost control – Durable construction and simple installation typically translate into lower lifecycle cost.

  • Support – If you’re matching a replacement, we can help confirm VA sizing against your connected loads.

Field note: A mechanical contractor told us they swapped in the XFR824A during a weekend RTU retrofit—“wired it in under 20 minutes, secondary held solid at 24 Vac even with two actuators moving at once.” That’s pretty typical when the VA sizing is matched correctly.

Installation & Maintenance

  • Mounting – Install inside a ventilated control cabinet; keep clear of heat sources and allow airflow around the coil stack.

  • Wiring – Use appropriately sized copper conductors; torque terminals per good practice; separate low-voltage wiring from mains.

  • Protection – Fit a primary fuse/breaker and secondary overcurrent protection; add a dedicated secondary fuse for each branch load where practical.

  • Earthing – Bond transformer frame to protective earth; reference secondary to ground only if your control design requires it.

  • Load check – Verify VA load headroom (actuator inrush can be higher than running VA); measure secondary voltage under load.

  • Routine care – Annually inspect for discoloration, loose terminals, or abnormal hum; clear dust; re-check terminal tightness.

Quality & Certifications

  • Manufactured under Honeywell quality systems (factories typically ISO 9001 certified).

  • Generally supplied with region-appropriate approvals such as UL Recognized and CE; RoHS compliant in most cases.

  • Warranty: 365 days from shipment.

Quick tip: The “A” suffix on XFR824A commonly indicates a 230 Vac primary in Honeywell’s transformer coding. If you’re replacing an existing unit, match the rating plate—primary voltage, VA, and mounting pattern—before ordering.

Product Tags: HONEYWELL XFR824A , XFR824A

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Xiamen Xiongba E-commerce Co., LTD
Gold Verified Supplier
1Yr
Verified Business License
Business Type
Trading Company
Year Established
2014
Annual Export Value
US$2.5 Million - US$5 Million
Total Employees
51 - 100 People
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