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Shanghai People's Electric Appliance Factory
TZ-2311 TZ-2312 limit switch
NegotiableUpdate on 10/22
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Overview
Limit switches (travel switches) are widely used in industrial machine devices, and are sturdy and durable. The limit switch uses high-performance flame-retardant nylon material to make the shell, which can not only withstand super strong rapid impact and impact force, but also the switch rocker arm has a longer service life after anti rust and corrosion treatment.
Product Details
1、 Product Overview
Limit switches (also known as travel switches) are mainly used on machines to control the operation (travel) and position (limit) protection of equipment. The limit switch mainly consists of operating contacts, a precise electric shock system, and a high-performance housing. Limit switch (travel switch) is a type of switch mainly used to achieve control. It utilizes the motion collision that occurs during the production of products on machinery, and uses the induction action of contacts to complete the circuit breaking and control capabilities, thus realizing the value of the limit switch itself.
2、 Dimensional drawing of the product
TZ-2311 limit switch TZ-2312 limit switch
3、 Product specifications
| Rated resistance | Non inductive load (A) | Inductive load (A) | Inrush current (A) | |||||||
| Resistive load | Inductive load | Motor load | ||||||||
| NC | NO | NC | NO | NC | NO | NC | NO | NC | NO | |
| 125VAC | 5 | 1.5 | 3 | 2 | 1 | Below 10 | Below 10 | |||
| 250VAC | 5 | 1.5 | 3 | 1 | 0.5 | |||||
| 8VDC | 5 | - | 1.5 | - | ||||||
| 14VDC | 5 | - |
1.5 | - | ||||||
| 30VDC | 5 | - |
1.5 | - | ||||||
| 125 VDC | 0.5 | - | 0.05 | - | ||||||
| 250 VDC | 0.25 | - | 0.03 | - | ||||||
4、 Product features and action characteristics
| Operation speed | 0.01mm to 1m/s (plunger type) |
| Action frequency | Mechanical: 240 times/min |
| Electrical: 20 times/min | |
| Product lifespan | Mechanical usage: 10000000 times |
| Electrical usage: 500000 times | |
| impact | Mechanical endurance: about 1000m/s2(Approximately 100g) |
| Error persistence: about 300m/s2(About 30G's) | |
| vibration | Product vibration range of 10 to 55HZ, double amplitude of 1.5mm |
| Contact resistance | 15m (mm) (initial stage) |
| insulation resistance | 100M Ω or above (under 500VDC) |
| Withstand Voltage | Non continuous terminals: 1000VC, 50 to 60Hz, 60S duration 1500VAC, 50/60Hz, 60S duration between current carrying and non current carrying parts, terminals and grounding |
| Surrounding temperature | During operation: -10 to+80 ℃ (but cannot freeze) |
| Surrounding humidity | Below 95% RH |
| type | TZ-2311 | TZ-2312 |
| OF maximum | 1200g | 1200g |
| RF minimum | 500g | 500g |
| PT maximum | 1.5mm | 1.5mm |
| OT minimum | 3mm | 3mm |
| MD | (0.1mm) | (0.1mm) |
| OP | 31.4±0.8 | 31.4±0.8 |
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