benlong 
MCB automatic magnetic trip test + on-off & high voltage test machine
Benlong 2-in-1 MCB testing machine integrates magnetic trip test, on-off verification, and high voltage dielectric test (up to 4,000V) into one compact PLC-controlled station. Reduces floor space by 40%, capital cost by 30%, with cycle time ≤2.5s/pole. IEC 60898-1 compliant. Ideal for high-volume MCB production lines.
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MCB mechanism life test bench
Benlong MCB mechanism life test bench performs automated ON/OFF endurance cycling per IEC 60898-1. Adjustable speed, stroke, and cycle count. Supports 1P/2P/3P/4P MCBs. Reliable solution for mechanical life verification in QC labs and production lines.
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MCB Electrical Endurance Test Bench
Benlong MCB electrical endurance test bench compliant with IEC 60898‑1 Clause 9.11. Programmable L‑R load (PF 0.85), real‑time contact voltage drop & arc monitoring, auto shutdown on contact welding. For certification labs and MCB manufacturing QA.
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ATS aging test bench
Benlong ATS aging test bench for automatic transfer switches (16A–3200A, PC/CB class). Programmable load/no‑load cycles up to 10,000+, multi‑station parallel test, IEC 60947‑6‑1 compliant. Real‑time monitoring of transfer delay, contact resistance, temperature. Ideal for certification labs and QC.
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Electric meter manual calibration bench
Custom three‑phase energy meter manual calibration bench. Automated basic error, creeping, start, harmonic simulation (2‑21), influence quantity tests. Multi‑position (4‑16), 0.05% accuracy, DLMS/COSEM/Modbus. Non‑standard design tailored to your meter form factor.
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MCCB manual magnetic trip test bench
Custom MCCB manual magnetic trip test bench for 125A/250A frames (custom up to 1600A). Programmable 5‑10× In current, ±1ms timing, pass/fail indication. Non‑standard designs available for larger frames, 4‑pole simultaneous testing, and auxiliary contact verification.
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