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TZ-8167 spring lever Limit Switch

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, High. Structure preventing oil, water and pressure.

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

Spring Lever Limit Switch China Supply

TZ-8167 Limit Switch


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.


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

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: What's the difference between TZ-8166/TZ-8167/TZ-6168 and TZ-8169? Is the TZ-8169 best model?


TZ-8166: spring lever with plastic rod

TZ-8167: spring lever

TZ-6168: coil spring lever

TZ-8169: cat whister spring lever

is the name of spring TZ-8 series, you can choose that as the working case

TZ-816 spring model.png

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

Q3:  What certification do you have, And what standard do you work with?
A3:   We got CCC CE and TuV mark (EN 60947-5-1),