The horizontal CNTD CZ-7121 Limit Switch is an industrial-grade miniature travel switch engineered for precise position control and automated sequence tracking. Outfitted with an elongated hinged roller lever actuator, this self-resetting component smoothly registers machine targets over a wide range of motion, reducing component surface wear during high-speed, repetitive operations. Its unique structure houses a reliable silver alloy snap-action contact block wrapped inside a high-strength, impact-resistant intensive plastic outer cover.Â
With verified IP64 protection on its operating surface, the CZ-7121 fully isolates electrical termination lines from floating workshop dust grains and cutting oil splashes. Rated for 10A continuous load currents, this durable horizontal micro switch seamlessly integrates into elevator door interlocks, custom CNC tool slide rails, packaging machines, and industrial conveyor assembly arrays.Â
Technical Specifications:
- Model: CZ-7121
- Actuator Style: Long Hinged Arm with Plastic Roller Lever
- Contact Block Arrangement: 1NO + 1NC Snap-Action (SPDT Double Circuit)
- Electrical Capacity Rating: AC-15: 10A @ 250VAC | DC-13: 0.3A @ 220VDC
- Enclosure Protection Level: IP64 Water & Dust Proof
- Operating Mechanical Metrics: Operating Force (OF): 1.8N | Release Force (RF): 0.5N
- Travel Characteristics: Pretravel (PT): 11mm Max | Overtravel (OT): 3mm Min
- Initial Contact Resistance: ≤ 25mΩ Max
- Temperature Operational Threshold: -20°C to +70°C (with no icing)
- Certified Compliance: CE, TUV (EN 60947-5-1), CCC (GB/T14048.5)