benlong 
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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Magnetic ring current test bench
Automatic magnetic ring current test bench with HIOKI tester (15‑50mA). Fully automated feeding, wire connection, test, and 10‑bin sorting (9 pass + 1 NG). 20,000 pcs/8h, OEE data, bilingual HMI. Ideal for RCCB/RCBO magnetic core grading.
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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 aging test bench
Three‑phase electric meter aging test bench with ZN‑D3000 precision power source. High‑density vertical rack (up to 96 positions), real‑time register monitoring, communication testing (RS485/optical), automatic protection, data logging. Reduces infant mortality, ensures 15‑year service life. IEC/ANSI compliant.
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MCCB Tripping mechanism test machine
Automatic MCCB tripping mechanism test machine with rotary indexing turntable. Vision‑based closing/opening angle measurement (±0.1°), contact & tripping force testing, peak force analysis, release verification, and QR laser marking for full traceability. 3‑5 sec/part. Ideal for high‑volume MCCB production.
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MCCB manual thermal calibration bench
MCCB manual thermal calibration bench for overload testing per IEC 60947‑2. Supports 100A‑1600A frames, flexible fixture, stable constant current (drift
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