Product Overview
The TM-1303 is a precision horizontal micro switch designed for industrial control and electronic applications. It uses a compact structure and snap-action contact mechanism to provide fast response, accurate switching, and reliable position detection.
This page describes model TM-1303 only. The micro switch is suitable for industrial equipment, control panels, automation mechanisms, electronic devices, and mechanical position sensing applications requiring compact and reliable switching components.
Product Display
The TM-1303 features a compact horizontal body structure with a precision actuator, contact mechanism, and terminal connection design. The small size allows installation in limited spaces while maintaining stable switching performance.
Key Technical Data
| Item | TM-1303 |
|---|---|
| Product type | Horizontal micro switch |
| Actuator type | Precision actuator |
| Contact form | Snap-action contact |
| Operating force | 300g max. |
| Release force | 50g min. |
| Pre-travel | 4mm max. |
| Overtravel | 1.6mm min. |
| Movement differential | 1.3mm max. |
| Operating position | 28.6 ± 0.8mm |
Features
- Compact horizontal micro switch structure.
- Snap-action contact mechanism for stable electrical switching.
- Precision operation for accurate position detection.
- High reliability for industrial and electronic control applications.
- Wide operating speed range for different mechanical applications.
- Suitable for automation equipment, control devices, and electronic systems.
Drawing
Outline and Mounting Dimensions
The drawing provides the body dimensions, actuator position, mounting holes, and terminal arrangement of the TM-1303. Confirm the mechanical clearance and actuator movement direction before installation.
Contact Form
The TM-1303 uses a snap-action contact mechanism. The contact state changes when the actuator reaches the operating position.
Select the contact configuration according to the electrical requirements of the equipment.
Ratings
| Rated Voltage | Resistance Load NC | Resistance Load NO | Lamp Load NC | Lamp Load NO | Inductive Load NC | Inductive Load NO | Motor Load NC | Motor Load NO |
|---|---|---|---|---|---|---|---|---|
| 125VAC | 10 | 10 | 2 | 1 | 5 | 3 | 5 | 2 |
| 250VAC | 5 | 5 | 1.5 | 0.8 | 3 | 1.5 | 1.5 | 0.8 |
| 480VAC | 3 | 3 | 1 | 0.5 | 1.5 | – | 1 | 0.5 |
| 8VDC | 10 | 10 | 6 | 3 | 10 | – | 6 | – |
Specifications
Electrical
| Contact resistance | 15 mΩ max. initial value |
| Insulation resistance | 100 MΩ min. at 500VDC |
| Operating frequency | Mechanical: 120 operations/min; Electrical: 30 operations/min |
| Dielectric strength | 1000VAC between same polarity terminals; 1500VAC between current and non-current parts |
Mechanical
| Operating speed | 1mm to 2m/s |
| Vibration | 10-55Hz, 1.5mm double amplitude |
| Shock | Mechanical durability approx. 100G; malfunction approx. 30G |
Environmental
| Ambient temperature | -10°C to +80°C, with no icing |
| Humidity | <95% RH |
| Degree of protection | IP65 |
Operating Characteristics
| Parameter | Description | TM-1303 |
|---|---|---|
| OF | Operating force | 300g max. |
| RF | Release force | 50g min. |
| PT | Pre-travel | 4mm max. |
| OT | Overtravel | 1.6mm min. |
| MD | Movement differential | 1.3mm max. |
| OP | Operating position | 28.6 ± 0.8mm |
Selection Guide
Actuator Type
Select TM-1303 when a compact precision micro switch is required for direct mechanical actuation and reliable snap-action switching.
Operating Stroke
Confirm the required pre-travel, overtravel, and operating position according to the mechanical movement of the equipment.
Electrical Load
Check voltage, current, load type, and switching frequency before selection. Inductive loads should consider surge conditions.
Installation Environment
Ensure the switch is installed within the specified temperature, humidity, and mechanical conditions.
Application Matching
TM-1303 is suitable for electronic devices, automation systems, control equipment, and precision position detection applications.