Limit Switch

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Description

  • Double circuit type
  • Rigid construction consists of hard plastic and aluminum cast
  • Small volume, waterproof and oil proof construction
  • Built-in switch with double spring mechanism
  • Smooth operation with greater OT
  • Easy-to-wire connection system

Electrical ratings

Rated
voltage
Non-inductive Load (A) Inductive Load (A)
Resistive Load Lamp Load Inductive Load Motor Load
NC NO NC NO NC NO NO NC
125VAC
250VAC
5
5
5
5
1.5
1
0.7
0.5
3
3
3
3
2
1.5
1
0.8
8VDC
14VDC
30VDC
125VDC
250VDC
5
5
5
0.4
0.2
5
5
5
0.4
0.2
3
3
3

 
3
3
3

 
5
4
4

 
4
4
4

 
3
3
3

 
3
3
3

 
Inrush Current N.C: below 24A, N.O: below 12A
NOTES:
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 operation range is within one third of the whole spring length, from the front end of spring.

Specifications

Operation speed 0.5mm-50cm/s
Operating frequency Mechanical: 120 operations/min Electical: 30 operations/min
Contact resistance 25mΩ max. (initial value)
Insulation resistance 100MΩ min. (below 500VDC)
Dielectric strength 1000VAC, 50/60 Hz for 1 minute between terminals of the same polarity
1500VAC, 50/60 Hz for 1 minute between current-carrying and non current-carrying metal parts
1500VAC, 50/60 Hz for 1 minute between each terminal and ground
Vibration 10-55Hz,1.5mm double amplitude
Shock Mechanical durability: 1000m/s² (about 100g's)
Malfunction: 300m/s² (about 30g's)
Ambient temperature -5~+65℃ (With no icing)
Humidity <95% RH
Weight About 130 to 190g
 Life Mechanical: >10,000,000 operations
Electrical: >500,000 operations
Degree of protection IP65 

Operational characteristics by model

Models TZ-8104 TZ-8108 TZ-8107 TZ-8111 TZ-8112/8122 TZ-8166/8167/8168/8169
OF(Max.) 750g 750g 750g 900g 900g 150g
RF(Min.) 100g 100g 100g 150g 150g -
PT(Max.) 20° 20° 20° 1.5mm 1.5mm 30mm
OT(Min.) 50° 50° 50° 4mm 4mm -
MD(Max.) 12° 12° 12° 1mm 1mm -
OP - - - 26±0.8mm 37±0.8mm -

Model classification

TZ-8104

TZ-8107

TZ-8108

TZ-8111

TZ-8112

TZ-8122

TZ-8166

TZ-8167

TZ-8168

TZ-8169