Product Overview
The TM-1308N is an impact resistant horizontal micro switch designed for industrial control and automation applications. It uses a reinforced nylon shell, snap-action contact mechanism, and compact structure to provide accurate position detection and reliable electrical switching.
This page describes model TM-1308N only. The micro switch is suitable for industrial equipment, control panels, automation mechanisms, mechanical position sensing, and applications requiring compact high-strength switching components.
Product Display
The TM-1308N features a compact horizontal body structure with an impact resistant nylon housing, actuator interface, and terminal connection design. Different actuator configurations can be selected according to mechanical installation requirements.
Key Technical Data
| Item | TM-1308N |
|---|---|
| Product type | Horizontal micro switch |
| Housing material | Impact resistant nylon shell |
| Contact form | Snap-action contact |
| Operating force | 350g max. |
| Release force | 114g min. |
| Pre-travel | 0.4mm max. |
| Overtravel | 3.58mm min. |
| Movement differential | 0.05mm max. |
Features
- Impact resistant nylon shell for durable construction.
- Compact horizontal micro switch structure for space-saving installation.
- Snap-action contact mechanism for stable electrical switching.
- High accuracy operation with wide operating speed range.
- Multiple actuator options for different industrial applications.
- Suitable for automation equipment, control systems, and mechanical position detection.
Drawing
Outline and Mounting Dimensions
The drawing provides the body dimensions, mounting position, actuator interface, and terminal arrangement of the TM-1308N. Before installation, confirm the actuator direction and available mechanical clearance.

Contact Form

The TM-1308N uses a snap-action contact mechanism. The contact state changes when the actuator reaches the operating position, providing an electrical signal for the control circuit.
Select the actuator type and contact configuration according to the equipment design and switching requirements.
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 | 15 | 15 | 3 | 1.5 | 15 | 15 | 5 | 2.5 |
| 250VAC | 15 | 15 | 2.5 | 1.25 | 15 | 15 | 3 | 1.5 |
| 500VAC | 3 | 3 | 1.5 | 0.75 | 2.5 | 2.5 | 1.5 | 0.75 |
| 8VDC | 15 | 15 | 3 | 1.5 | 15 | 10 | 5 | 2.5 |
| 14VDC | 15 | 15 | 3 | 1.5 | 10 | 10 | 5 | 2.5 |
| 30VDC | 6 | 2 | 3 | 1.5 | 5 | 5 | 5 | 2.5 |
Specifications
Electrical
| Contact resistance | 15 mΩ max. initial value |
| Insulation resistance | 100 MΩ min. at 500VDC |
| Operating frequency | Electrical: 20 operations/min |
| Dielectric strength | 1000VAC between same polarity terminals; 1500VAC between current and non-current parts |
Mechanical
| Operating speed | 0.05mm to 1m/s |
| Vibration | 10-55Hz, 1.5mm amplitude |
| Shock | Mechanical durability approx. 100G; malfunction approx. 30G |
| Electrical life | 500,000 operations or above |
Environmental
| Ambient temperature | -20°C to +70°C, with no icing |
| Humidity | General type 85% RH max.; sealed type 95% RH max. |
| Weight | About 22g to 58g |
Operating Characteristics
| Parameter | Description | TM-1308N |
|---|---|---|
| OF | Operating force | 350g max. |
| RF | Release force | 114g min. |
| PT | Pre-travel | 0.4mm max. |
| OT | Overtravel | 3.58mm min. |
| MD | Movement differential | 0.05mm max. |
| OP | Operating position | 33.4 ± 1.2mm |
Selection Guide
Actuator Type
Select the actuator according to the mechanical contact method. TM-1308N supports different actuator configurations for different installation requirements.
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 electrical surge conditions.
Installation Environment
The reinforced nylon housing provides impact resistance for industrial applications. Select sealed versions when higher humidity protection is required.
Application Matching
TM-1308N is suitable for compact control equipment, automation mechanisms, and mechanical position detection systems.