Product Overview
The TM-1703N is an adjustable position horizontal micro switch designed for industrial control and automation applications. It uses an engineering plastic housing, snap-action contact mechanism, and adjustable operating structure to provide accurate mechanical position detection.
This page describes model TM-1703N only. The micro switch is suitable for industrial equipment, automation mechanisms, precision control systems, and applications where the operating position requires adjustment during installation.
Product Display
The TM-1703N features a compact horizontal body structure with an engineering plastic housing, adjustable actuator mechanism, and terminal connection design. The adjustable structure allows the operating position to be matched with different mechanical layouts.
Key Technical Data
| Item | TM-1703N |
|---|---|
| Product type | Horizontal micro switch |
| Housing material | Engineering plastic shell |
| Contact form | Snap-action contact |
| Operating force | 100g max. |
| Release force | 22g min. |
| Pre-travel | 7.1mm max. |
| Overtravel | 4mm min. |
| Movement differential | 1.02mm max. |
| Free position | 36.5mm max. |
| Operating position | 30.2 ± 0.8mm |
Features
- Engineering plastic shell for resistant construction.
- Adjustable operating position for different mechanical applications.
- Snap-action contact mechanism for accurate and stable switching.
- Compact horizontal structure for space-saving installation.
- High accuracy operation with wide operating speed range.
- Suitable for industrial automation, control equipment, and precision position sensing.
Drawing
Outline and Mounting Dimensions
The drawing provides the body dimensions, mounting position, actuator adjustment range, and terminal arrangement of the TM-1703N. Before installation, confirm the required operating position and mechanical clearance.
Contact Form
The TM-1703N uses a snap-action contact mechanism. The contact state changes when the actuator reaches the operating position.
The actuator adjustment and switching configuration should be selected according to the equipment design and control 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 |
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-1703N |
|---|---|---|
| OF | Operating force | 100g max. |
| RF | Release force | 22g min. |
| PT | Pre-travel | 7.1mm max. |
| OT | Overtravel | 4mm min. |
| MD | Movement differential | 1.02mm max. |
| FP | Free position | 36.5mm |
| OP | Operating position | 30.2 ± 0.8mm |
Selection Guide
Actuator Type
Select TM-1703N when the application requires adjustable operating position. The adjustable mechanism helps match the switch action point with different mechanical structures.
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 engineering plastic housing provides reliable mechanical performance for industrial applications. Select sealed versions for higher humidity protection.
Application Matching
TM-1703N is suitable for precision control equipment, automation mechanisms, and mechanical position detection systems.