BRD04878
Trane BRD04878 is a brand-new OEM Dual Relay Output Board with pluggable connectors, engineered to control two high-voltage circuits—compressors, fans, pumps—in chillers and commercial HVAC systems.
The Trane BRD04878 Dual Relay Output Board is a genuine OEM module designed for intelligent switching of two separate high-voltage circuits in commercial chillers and HVAC units. Utilizing electromagnetic relays, it provides reliable control over essential components such as compressors, condenser fans, and pumps based on the chiller’s logic system.
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Built on a green PCB with robust stainless-steel connectors and durable plastic housing—structured to withstand industrial conditions.
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Comes with pluggable terminal blocks for fast, clean installation. Programmed at the factory to match the specific unit model.
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Direct OEM replacement for older modules like BRD‑4878, BRD‑02944, BRD‑2944, BRD‑02098. Widely used in series including RTWD, RTAC, and CGAM.
| Brand Name |
Trane |
|---|---|
| Description |
Dual Relay Output Board |
| Type |
Relay Output Module / Control Board |
| Part Number |
BRD04878 |
| Application |
Commercial HVAC & Refrigeration Systems |
| Condition |
Brand New |
| Name |
Output Board |
| Color |
Green PCB |
| Material |
Circuit board with stainless steel terminals, rugged plastic housing |
| Filter Type |
Circuit Board (Signal Interface Module) |
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