benlong 
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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MCCB Semi Automatic High voltage test bench
Semi‑automatic MCCB high voltage test bench covers 125A‑1250A (7 frame sizes) in one platform. Quick‑clamp system, OK/NG red/green indicator lights, touchscreen HMI, real‑time display. Reduces equipment investment by up to 70%, changeover time to under 5 minutes. IEC 60947‑2 compliant hi‑pot testing.
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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 long time thermal calibration bench
Custom MCCB long time thermal calibration bench for overload testing per IEC 60947‑2. High‑stability current (
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MCB manual magnetic trip test bench
Manual MCB magnetic trip test bench for instantaneous short‑circuit protection testing. Adjustable test current (5‑10× In), digital timer (±1ms), universal fixture for 1P‑4P MCBs. Ideal for small‑batch production, lab, and field service. IEC 60898‑1 compliant.
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MCB semi-automatic magnetic trip test bench
MCB semi‑automatic magnetic trip test bench for instantaneous short‑circuit testing per IEC 60898‑1. Programmable 5‑10× In current, digital timer (±1ms), touchscreen HMI, automatic data recording. Ideal for QC labs, production lines, and R&D.
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