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:
Technical Parameters
Ratings
Rated voltage | Noninductive Load (A) | Inductive Load (A) | ||||||
Resistance Load | Lamp Load | Inductive Load (A) | Motor Load | |||||
NC | NO | NC | NO | NC | NO | NC | NO | |
125VAC | 10 | 3 | 1.5 | 10 | 5 | 2.5 | ||
250VAC | 10 | 2.5 | 1.25 | 10 | 3 | 1.5 | ||
480VAC | 3 | 1.5 | 0.75 | 2.5 | 1.5 | 0.75 | ||
8VDC | 10 | 3 | 1.5 | 6 | 5 | 2.5 | ||
14VDC | 10 | 3 | 1.5 | 6 | 5 | 2.5 | ||
30VDC | 6 | 3 | 1.5 | 6 | 5 | 2.5 | ||
125VDC | 0.5 | 0.4 | 0.4 | 0.05 | 0.05 | 0.05 | ||
250VDC | 0.25 | 0.2 | 0.2 | 0.03 | 0.03 | 0.03 |
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 speed | 0.05mm-50cm/sec |
Operating frequency | Electiacl: 30 operations/minute |
Contact resistance | 15mΩmax. (initial value) |
Insulation resistance | 100mΩ above(at 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 | Action:10 to 55Hz,1.5mm pairs swing |
Shock | Mechanical durable: 1,000m/Sec2(about 100g's) Malfunction: 300m/Sec2(about 30g's) |
Ambient temperature | -10~+80℃ (With no icing) |
Humidity | 35- 95% RH |
Weight | About 53g (TZ-7121) About 87g (TZ-7312) |
Electrical life | Above 500000 |
Operating Characteristics
Operating Characteristics | Model | TZ-7100 | TZ-7110 | TZ-7310 | TZ-7312 | TZ-7120 |
Operating force | OF(Max) | 5.88N | 5.88N | 5.88N | 5.88N | 1.47N |
Release force | RF(Min) | 0.98N | 0.98N | 0.98N | 0.98N | 0.392N |
Pre-travel | PT(Max) | 2.0mm | 2.0mm | 2.0mm | 2.0mm | 13.5mm |
Over-travel | OT(Min) | 0.8mm | 5.0mm | 6.0mm | 6.0mm | 4.0mm |
Movement differential | MD(Max) | 0.8mm | 0.8mm | 0.8mm | 0.8mm | 3.2mm |
Operational position | OP | 30.5±0.8mm | 44±1.2mm | 21.8±1.2mm | 33.3±1.2mm | 25±1mm |
Initial position | FP | 35mm |
Operating Characteristics | Model | TZ-7140 | TZ-7121 | TZ-7141 | TZ-7124 | TZ-7144 | TZ-7166 |
Operating force | OF(Max) | 2.156N | 1.764N | 2.352N | 1.96N | 2.744N | 1.176N |
Release force | RF(Min) | 0.588N | 0.49N | 0.784N | 0.588N | 0.98N | |
Pre-travel | PT(Max) | 8.5mm | 11.0mm | 6.5mm | 11mm | 6.5mm | 250mm |
Over-travel | OT(Min) | 2.5mm | 3.0mm | 2.0mm | 3.0mm | 2.0mm | 11mm |
Movement differential | MD(Max) | 2.0mm | 2.4mm | 1.5mm | 2.4mm | 1.5mm | |
Operational position | OP | 25±1mm | 40±1mm | 40±1mm | 50±1.2mm | 50±1.2mm | |
Initial position | FP | 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) |
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. |