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XCMG XTC8-20HC3902 Double-Wheel Trench Cutter Power Relay Control Main Board
This power relay main board is an OEM-grade replacement part specifically designed for the XCMGＨＣ３９０２ XTC8-20 double-wheel trench cutter. Built to withstand the harsh conditions of construction sites, it integrates power distribution, load protection, and communication expansion in a single, rugged unit. It is a direct 1:1 replacement for the original factory board, requiring no additional programming or adjustments to ensure stable operation of your machine’s electrical system.
Description
Tags
Product Overview
This power relay main board is an OEM-grade replacement part specifically designed for the XCMGＨC3902 XTC8-20 double-wheel trench cutter. Built to withstand the harsh conditions of construction sites, it integrates power distribution, load protection, and communication expansion in a single, rugged unit. It is a direct 1:1 replacement for the original factory board, requiring no additional programming or adjustments to ensure stable operation of your machine’s electrical system.
Technical Specifications
| Parameter | Details |
| Compatible Equipment | XCMGＨＣ３９０２ XTC8-20 Double-Wheel Trench Cutter |
| Operating Voltage | DC 24V (standard for construction vehicles) |
| Relay Count | 8 sets (K1-K8) |
| Fuse Socket Count | 9 sets (F1-F9) |
| Communication Interfaces | CAN1 × 2, CAN2 × 2 |
| Expansion Interfaces | J1/J2/J3/J5/J6/J7/J11/J12/J13/J40 |
| Protection Rating | IP40 (dust & splash resistant) |
| PCB Material | Flame-retardant epoxy fiberglass |
| Relay Material | Industrial-grade flame-retardant plastic + copper contacts |
| Net Weight | ≈1.2kg |
| Mounting Method | Bolt-on (matches original factory holes) |
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