benlong 
ACB comprehensive test bench
The ACB Integrated Test Stand integrates four key air circuit breaker verification functions into one workstation: loop resistance testing, insulation and withstand voltage testing, current characteristic testing, and power consumption and temperature rise measurement.
Read More
MCCB Laboratory Integrated Testing bench
An integrated test bench capable of performing magnetic trip testing, thermal calibration, and long-duration thermal calibration.
Read More
MCB semi-automatic thermal trip calibration bench Type-A
MCB semi‑automatic thermal trip calibration bench Type‑A with shift mechanism for multi‑model support. Programmable overload current (up to 200A), real‑time HMI, IEC 60898‑1 compliant. Ideal for labs and production QC. Semi‑auto operation reduces operator error.
Read More
MCB semi-automatic thermal trip calibration bench Type-B
MCB semi‑automatic thermal trip calibration bench Type‑B with insertable test cards for fast changeover between different MCB types. Programmable overload current (up to 200A), digital timer (±0.1%), USB data export. Ideal for labs and production lines testing multiple MCB families.
Read More
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.
Read More
MCB long time thermal calibration bench
MCB long time thermal calibration bench for overload testing per IEC 60898‑1. Multi‑station (4‑16), high‑stability current (0‑500A, THD
Read More
