Introduction to Elevator Contact Switch ZB2-BE101C
Manufactured by NANJING ZHUYE ELEVATOR PARTS

The ZB2-BE101C is a high-performance, modular contact switch engineered for elevator door-lock circuits, safety-chain signalling and car-top inspection stations. Designed, assembled and 100 % tested by NANJING ZHUYE ELEVATOR PARTS, the unit meets EN 81-20/50, ASME A17.1 and GB 7588, and is CE, UL, CCC and TÜV certified for global new-installation and modernisation projects.

1. Technical Specifications

• Switch Type: snap-action, positive-opening, 1 NC + 1 NO
• Rated Voltage / Current: 250 V AC 10 A (AC-15), 30 V DC 6 A (DC-13)
• Contact Material: silver-nickel 90/10 + gold flash, < 30 mΩ contact resistance
• Insulation Voltage: 1 000 V AC, 4 kV impulse withstand
• Mechanical Life: ≥ 10 million operations
• Operating Force: ≤ 12 N, pre-travel 1.5 mm, over-travel 4 mm min.
• Housing: IP66 / IK08, UL94 V-0 thermoplastic, 66 × 42 × 32 mm
• Cable: 3 m PVC 22 AWG 3-core; PUR or silicon optional
• Temperature Range: –30 °C to +85 °C, 95 % RH non-condensing
• Terminals: M3.5 screw-clamp, captive washer, accepts 0.5–2.5 mm²
• Certifications: CE, UL, CCC, TÜV SIL 2 / PL c capable
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1. Safety & Reliability Features

• Positive-opening NC contact guarantees ≥ 0.5 mm break even under weld conditions—essential for SIL 2 safety chains.
• Dual-spring snap-action mechanism prevents slow-make/break faults.
• Self-lifting terminals with captive washers ensure vibration-proof connection (tested 10 g RMS, 2 h).
• UV-stabilised housing and nitrile seal resist hoist-way oils, cleaning chemicals and 850 °C glow-wire (IEC 60695-2-11).

1. Modular Design
   Head, body and contact block are tool-free separable:

• Heads: top-roller, side-roller, top-plunger or side-plunger—field-replaceable in < 10 s.
• Contact blocks: 1 NO, 1 NC, 2 NO, 2 NC or mixed—snap-in mounting.
• LED indicator block (optional): bi-colour green/red for instant status.
• 

1. Installation & Compatibility
   Universal 30 × 60 mm footprint and pre-wired flying leads reduce panel wiring time by 40 %. Compatible with OTIS, KONE, Schindler, Thyssen, Mitsubishi and domestic VVVF controllers; optional M12 or Deutsch 3-pin quick-connect.
2. Typical Elevator Applications

• Door lock tongue detection (car & landing)
• Car-top inspection station over-travel limit
• Governor overspeed test switch
• Buffer engagement sensor
• Safety-gear reset confirmation

1. Environmental & Fire Performance

• Salt-spray 500 h per ASTM B117
• Fire enclosure UL94 V-0, smoke density ≤ 200 Dm (ASTM E662)
• RoHS 2.0, REACH and halogen-free compliant; 100 % recyclable thermoplastic
• 

1. After-Sales Support
   NANJING ZHUYE ELEVATOR PARTS provides:

• 3-year worldwide warranty
• 24-hour technical hotline
• Next-day global spare-part dispatch
• Free on-site commissioning training
  Custom cable lengths, special contact arrangements or stainless-steel heads ship within 5 working days.

1. Conclusion
   Specifying the ZB2-BE101C contact switch from NANJING ZHUYE ELEVATOR PARTS delivers SIL-rated safety, ten-million-cycle reliability and universal mounting flexibility—reducing downtime and ensuring passenger safety in every vertical-transportation system.