benlong 
Solid State Relay Automated Production Line
Benlong Solid State Relay (SSR) automated production line integrates SMT placement, soldering, dispensing, functional testing (current, voltage, isolation, thermal), and MES traceability. Output 1,200-1,800 units/shift. Compliant with IEC 62314. Ideal for industrial SSR manufacturing.
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Surge protection Device （SPD） Automatic Production line
Fully automatic SPD production line for Type 1/2/3 surge protection devices. Automatic base feeding, precision varistor welding (resistance/laser), module insertion, laser marking & pad printing. Unmanned operation, IEC 61643‑11 compliant. Customizable for 1P/2P/3P/4P.
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Three phase electric meter automatic production line
Custom three‑phase smart meter automatic production line with PCBA dust removal, hi‑pot testing (4kV), semi‑auto calibration (0.05% reference), automatic sealing cap installation, and integrated aging test bench. Full traceability, MES ready. Ideal for high‑volume meter manufacturing.
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Vacuum circuit breaker （VCB） automaticproduction line
Fully automatic VCB production line for 12KV/24KV vacuum circuit breakers. Servo‑aligned vacuum interrupter assembly, mechanism characteristic test (speed/travel/timing), HV insulation test, mechanical endurance cycling. IEC 62271‑100 compliant. 25‑30 units/shift, full traceability, remote diagnostics.
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