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TZ-7121 nylon roller long lever Horizontal Limit Switch

Enclosed Switches with Built-in Basic Switches for High Repeatability and Durability of 10 Million Operations Minimum.

Panel mount versions have the same operating position as TMAZTZ-TM1 Switch.

Suitable for applications demanding higher mechanical strength, dustproof and drip-proof properties than those on basic switches.

Contact Form:

D4MC-AZ-TZ-7120 Horizontal Limit Switch

Product List

Technical Parameters

TZ-7121 Horizontal Limit Switch

Ratings

Rated voltageNoninductive Load (A)Inductive Load (A)
Resistance LoadLamp LoadInductive Load (A)Motor Load
NCNONCNONCNONCNO
125VAC1031.51052.5
250VAC102.51.251031.5
480VAC31.50.752.51.50.75
8VDC1031.5652.5
14VDC1031.5652.5
30VDC631.5652.5
125VDC0.50.40.40.050.050.05
250VDC0.250.20.20.030.030.03


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

3. while motor load has an inrush current of 6 times the steady-state current.

4. Product with spring, its usable range of operating part is within one third of the whole

spring length from the front end of spring.


Characteristics

Operation speed0.05mm-50cm/sec
Operating frequencyElectiacl: 30 operations/minute
Contact resistance15mΩmax. (initial value)
Insulation resistance100mΩ above(at 500VDC)
Dielectric strength1000VAC, 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
VibrationAction:10 to 55Hz,1.5mm pairs swing
ShockMechanical durable: 1,000m/Sec2(about 100g's) Malfunction: 300m/Sec2(about 30g's)
Ambient temperature-10~+80℃ (With no icing)
Humidity35- 95% RH
Weight

About 53g (TZ-7121)

About 87g (TZ-7312)

Electrical lifeAbove 500000


Operating Characteristics



Operating CharacteristicsModel

TZ-7100

TZ-7110

TZ-7310

TZ-7312

TZ-7120

Operating forceOF(Max)

5.88N

5.88N

5.88N

5.88N

1.47N

Release forceRF(Min)

0.98N

0.98N

0.98N

0.98N

0.392N

Pre-travelPT(Max)

2.0mm

2.0mm

2.0mm

2.0mm

13.5mm

Over-travelOT(Min)

0.8mm

5.0mm

6.0mm

6.0mm

4.0mm

Movement differentialMD(Max)

0.8mm

0.8mm

0.8mm

0.8mm

3.2mm

Operational positionOP

30.5±0.8mm

44±1.2mm

21.8±1.2mm

33.3±1.2mm

25±1mm

Initial positionFP



35mm



Operating CharacteristicsModel

TZ-7140

TZ-7121

TZ-7141

TZ-7124

TZ-7144

TZ-7166

Operating forceOF(Max)

2.156N

1.764N

2.352N

1.96N

2.744N

1.176N

Release forceRF(Min)

0.588N

0.49N

0.784N

0.588N

0.98N


Pre-travelPT(Max)

8.5mm

11.0mm

6.5mm

11mm

6.5mm

250mm

Over-travelOT(Min)

2.5mm

3.0mm

2.0mm

3.0mm

2.0mm

11mm

Movement differentialMD(Max)

2.0mm

2.4mm

1.5mm

2.4mm

1.5mm


Operational positionOP

25±1mm

40±1mm

40±1mm

50±1.2mm

50±1.2mm


Initial positionFP

32mm


46mm


56mm



FAQ:

Q1: I'm a trading company and want to enrich my products. How many operation heads fo you have?

A1:  More than 12 kinds of operation heads, and we have customized more than 10 (not in web) TMAZTZ TZ-7 seires.png

Q2:  I want to buy some for testing but I install it into my own device, can you OEM for me? And what's the MOQ?
A2:  Sure as a source factory, we can send you neutral product. And can also laser after signing the trademark licensing agreement. MOQ can be 10pcs
Q3:  What's  the material of the ruler?
A3:We use stainless steel for the ruler, it's a very important part to contact switch body and working machine.