TZ-8108 Limit Switch Adjustable/Rotatable Roller Arm Type 1
The TZ-8108 limit switch with adjustable and rotatable roller arm is a compact electromechanical device designed to detect the movement and position of moving machine parts. Built for industrial environments, it features a robust body constructed from high-strength plastics and die-cast metal that provides excellent protection against dust and water ingress. Its roller actuator arm can be adjusted and rotated to suit a wide range of mechanical setups, letting it interface precisely with different moving parts and mechanisms.
Internally, the TZ-8108 houses a double-circuit switching mechanism with a reliable internal micro switch and double spring design that ensures consistent actuation over many cycles. The adjustable roller arm provides smooth mechanical actuation and allows for flexible positioning relative to the motion path of the machine element it monitors. The terminal section is engineered to open fully, making wiring straightforward and accessible even in compact installations.
With a degree of protection rated at IP65, this limit switch resists dust, water spray, and oil exposure, ensuring dependable operation in industrial settings. Its balance of durability, flexible actuator design, and straightforward wiring makes it suitable for use in conveyors, production automation systems, material handling equipment, and other motion detection applications where precise switch activation is required.
Features:
- Adjustable and rotatable roller arm actuator for flexible mounting.
- Double-circuit switching design for reliable signal output.
- Highly rigid construction with strong plastic and metal housing.
- Compact size with water- and oil-resistant structure.
- Built-in micro switch with double spring mechanism for long life.
- Easy-to-wire design with fully opening terminal section.
Specifications:
| Specification | Detail |
|---|---|
| Contact Configuration: | Double-circuit type (1 NO + 1 NC) |
| Rated Voltage / Load: | AC 125/250 V 5 A resistance various DC ratings up to 30 V 5 A |
| Operation Speed: | 0.5 mm/s – 50 cm/s |
| Operating Frequency: | Mechanical: 120 ops/min Electrical: 30 ops/min |
| Contact Resistance: | Max 25 mΩ |
| Insulation Resistance: | Min 100 MΩ @ 500 VDC |
| Dielectric Strength: | 1000 VAC / 1500 VAC between terminals & metal parts |
| Vibration Resistance: | 10–55 Hz, 1.5 mm double amplitude |
| Shock Resistance: | Mechanical durable: 1000 m/s² malfunction: 300 m/s² |
| Ambient Temperature: | –5 °C to +65 °C |
| Humidity: | < 95 % RH |
| Electrical Life: | ~500,000 cycles |
| Mechanical Life: | ~10,000,000 cycles |
| Protection Rating: | IP65 |
| Weight: | 150 g |
Applications:
- Conveyors and material handling position detection.
- Automated production and assembly lines.
- Robotics motion feedback systems.
- Packaging equipment position control.
Package Contents:
- 1x TZ-8108 Limit Switch Adjustable/Rotatable Roller Arm Type 1






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