Waterproof Limit Switch TZ-3 from China Suppliers and Factory – Durable DPDS Switch for Multiple Applications
Advantage
Working conditions
- Altitude: The altitude of the installation location does not exceed 2,000 meters;
- Medium temperature: The ambient air medium temperature is not higher than +75℃ and not lower than -25℃;
- Relative humidity: The average relative air humidity in the wettest month of the installation location is not greater than 90% (the average minimum temperature in the month is not greater than +25°C);
- Pollution level: The pollution level of environmental conditions is Level III;
- Installation category: The installation category is Category I;
- Types of limit switches: Structural types are divided according to structural types: The structure of this product is rotary type, and the speed ratios are: 80:1, 40:1, and 20:1. Control loops are divided according to control loops: this limit switch can be equipped with up to 8 control loops.
Working conditions
- Altitude: The altitude of the installation location does not exceed 2,000 meters;
- Medium temperature: The ambient air medium temperature is not higher than +75℃ and not lower than -25℃;
- Relative humidity: The average relative air humidity in the wettest month of the installation location is not greater than 90% (the average minimum temperature in the month is not greater than +25°C);
- Pollution level: The pollution level of environmental conditions is Level III;
- Installation category: The installation category is Category I;
- Types of limit switches: Structural types are divided according to structural types: The structure of this product is rotary type, and the speed ratios are: 80:1, 40:1, and 20:1. Control loops are divided according to control loops: this limit switch can be equipped with up to 8 control loops.
Environmental Characteristics
| Category | Type | Standard / Value |
|---|---|---|
| Normative reference | Product | IEC60947-5-1, EN60947-5-1, UL508, CSA C22-2 N°14 |
| Components | IEC60204-1, EN60204-1 | |
| Ambient temperature | Operation | -25..+70℃ |
| Storage | -40..+70℃ | |
| Vibration resistance | Compliant with IEC60068-2-6 | 50Hz, 1.5mm Double-amplitude |
| Shock resistance | Compliant with IEC60068-2-27 | 30GN, 18ms in any position |
| Protection class | IP66 Comply with IEC60529 | |
| Mechanical life | 15,000,000 times | |
Characteristics of contact module
| Rated operating characteristics |
Inductive load: AC15, B300 (Ue=240V, Ie=1.5A) DC-13, R300 (Ue=250V, Ie=0.1A) Resistive load: 250V 5A |
| Rated insulation voltage |
Ui=500V, class of pollution is 3, comply with IEC 60947-1 Ui=300V, comply with UL508, CSA C22-2 n°14 |
| Insulation resistance | >1000MΩ at 500V |
| Operating frequency | 120 times/min |
| Electrical life | 1,000,000 times AC-15 (Ue=240V, Ie=1.5A) |
| Contact resistance | after ten million times of operation |
| Model | TSA-001 | TSA-003 | TSA-012 | TSA-021 | TSA-031 | TSA-061/071/081 |
|---|---|---|---|---|---|---|
| Triggering | At the end | Convex trigger | Any moving part | |||
| Triggering type | ![]() |
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| Single stage 1/O Single-pole Type 2a | ![]() |
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| Contact operation | Contacts attract | Contacts separate | ||||
| Max triggering speed | 0.25m/s | 0.25m/s | 0.25m/s | 1.3m/s | 1.3m/s | 1.3m/s |
| Max triggering force | 800g | 800g | 800g | 400g | 400g | 400g |
| Min restoring force | 400g | 400g | 400g | 100g | 100g | 100g |
| Weight (kg) | 0.223 | 0.220 | 0.260 | 0.240 | 0.262 | 0.248 |
| Wiring | Each terminal can hold conductors of 2mm² at most | |||||
Overall and installation dimensions
Can these products be customized for specific usage scenarios?
Yes, all products of our company can be customized for production according to the user's specific usage scenarios and application requirements.
What are the environmental limits for installing these limit switches?
The installation location should not exceed an altitude of 2,000 meters. The ambient air temperature must remain between -25°C and +75°C, and the average relative humidity in the wettest month should not exceed 90% (at an average minimum temperature of +25°C).
What is the protection rating and mechanical life of the switches?
The limit switches feature an IP66 protection class rating complying with IEC60529, and they have an exceptional mechanical life of up to 15,000,000 operations.
What speed ratios and control loops are available for the rotary limit switches?
The rotary limit switches offer structural speed ratios of 80:1, 40:1, and 20:1. Additionally, the control loops can be equipped with up to 8 control loops depending on the structural design.
What is the rated insulation voltage (Ui) of the contact modules?
The rated insulation voltage is Ui=500V (pollution class 3) in compliance with IEC 60947-1, and Ui=300V in compliance with UL508 and CSA C22-2 No. 14 standards.
What standards do the environmental characteristics of these products comply with?
The products comply with IEC60947-5-1, EN60947-5-1, UL508, and CSA C22-2 N°14 standards. The internal components also comply with IEC60204-1 and EN60204-1 specifications.
















