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TZ-8108 adjustable roller lever Limit Switch

 Stainless steel& Nylon roller optional

Double-circuit type of limit switch.

Compact new design approximately 1/3 the size of TMAZTZ vertical limit switches.

With strong zinc cast base, and reinforced plastics outer shell.

Structure enables the terminal section to be fully opened for easy wiring.

Degree of protection: IP65

Contact Form:

TZ-8108 Limit Switch

Product List

Technical Parameters

TZ 8108 Limit Switch - TMAZTZ

Hot Sale Adjustable Roller Lever Limit Switch

TZ-8108 Limit Switch

TZ-8108 Limit Switch Voltage Ratings

Rated voltageNoninductive Load (A)Inductive Load (A)
Resistance LoadLamp LoadInductive Load (A)Motor Load


Inrush CurrentN.C: below  24A, N.O: below  12A


1. Inductive load has a power factor of 0.4 min.(AC) and a time constant of 7 msec.max.(DC).

2. Lamp load has an inrush current of 10 times the steady-state current,while motor load has an inrush current of 6 times the steady-state current.

3. Product with spring, its usable range of operating part is within one third of the whole spring length from the front end of spring.

TZ 8108 Adjustable Roller Lever Limit Switch Characteristics

  • High rigidity structure, made of high-strength plastic and aluminum;

  • Cast (head and lid clinging to the box);

  • Small size, waterproof and oilproof structure;

  • Built-in micro switch, double spring mechanism, longer mechanical life;

  • Easy wiring circuit opening design.

Operation speed0.5mm-50cm/sec
Operating frequencyElectical: 30 operations/minute
Contact resistance25mΩ max. (initial value)
Insulation resistance100mΩ Min. (below 500VDC)
ShockMechanical durable: 1, 000m/Sec2 (about 100G'S)
Malfunction: 300m/Sec2 (about 30G'S)
Ambient temperature-5~+65℃ (With no icing)
Humidity<95% RH
WeightAbout 130 to 190g
Degree of protectionIP65
Electrical LifeAbove 500000

Limit Switch TZ-8108 Operating Characteristics

Operating Characteristics ModelTZ-8104TZ-8107TZ-8108TZ-8111TZ-8112TZ-8122TZ-8166TZ-8167TZ-8168TZ-8169
Operating forceOF   (Max)5.88N5.88N7.84N9.8N9.8N9.8N0.88N0.88N0.88N0.88N
Release forceRF   (Min)0.49N0.69N0.49N2.94N2.94N2.94N
Pre-travelPT   (Max)20°20°20°1.5mm1.5mm1.5mm30mm30mm30mm30mm
Over-travelOT   (Min)75°75°75°4mm4mm4mm
Movement differentialMD  (Max)10°10°10°1.2mm1.2mm1.2mm
Total travelTT   (Min)95°95°95°5.5mm5.5mm5.5mm
Operational positionOP26±0.8mm


Q1: Is stainless steel roller better than nylon roller?

A1: No, the cost of metal is higher, but just a difference in raw materials, not related A or B class. 

In some situation we prefer the nylon one

TZ-8108 adjustable roller lever Limit Switch

Q2:  Are there any accessories for mounting?

A2:  yes, there is a bag of screws, and a separate packaging, convenient for your preservation

TZ-8108 adjustable roller lever Limit Switch

If you do not have the China Adjustable Roller Lever Limit Switch you are looking for, please contact us and we will design and manufacture your own limit switch, such as rollers or plungers, etc., as well as wiring methods can be customized according to your requirements.

TMAZTZ is a manufacturer suppliers for limit switch& micro switch.