benlong 
Load isolation switch Automatic Testing line
Automatic load isolation switch testing line per IEC 60947‑3. 10‑station integration: loop resistance (≤50μΩ, 100A DC), hi‑pot (3kV), mechanical life (≥10,000 cycles), torque, temperature rise. ≤28 sec/unit, 99.8% first‑pass yield, MES ready. Ideal for disconnector mass production and export certification.
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MCB automatic assembly line
High‑speed MCB automatic assembly line with 2‑3.5 sec/pc cycle time. Supports 1P/2P/3P/4P quick changeover, vision inspection at every station, in‑line trip current & operation force testing. Reduces labor by 80%, eliminates mis‑assembly. Ideal for high‑volume MCB production. Omron PLC, Festo/SMC pneumatics, MES ready. Payback under 18 months.
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MCB automatic testing line
High‑speed MCB automatic testing line (1,800‑2,400 pcs/h) with multi‑station parallel testing, vision inspection, automatic sorting, and full data traceability. Solves testing bottlenecks, cuts field failures by 70%, and provides IEC/UL audit‑ready reports. Quick changeover (
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MCB mini production line Integrated machine
Compact MCB mini production line integrated machine. 3,000 pcs/8h, dimensions 5.9×1.8×2.4 m. Integrates riveting, magnetic trip test, hi‑pot, thermal calibration, screw tightening. Ideal for small‑to‑medium manufacturers (200k‑800k units/year), limited floor space, pilot runs. Low capital investment (20‑30% of full line). Payback under 12 months. Supports 1P/2P/3P/4P quick changeover.
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MCCB automatic production line
Fully automatic MCCB production line for 100A‑1600A frames. Integrates riveting, torque calibration, ETU digital calibration (L‑S‑I‑G), hi‑pot test, and MES traceability. 30 sec/pc, IEC 60947‑2 compliant. Customizable for medium‑to‑large MCCB manufacturing.
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Single phase meter automatic production line
Custom single‑phase 2P DIN rail meter automatic production line with semi‑auto calibration (0.05%), PCBA dust removal, hi‑pot/insulation test, terminal screw torque check, laboratory‑grade aging bench, and MES traceability. Output 800‑1,500 units/shift. Ideal for high‑volume smart meter manufacturing.
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