Product Overview
The TM-1703 is a lever horizontal micro switch designed for industrial control and automation applications. It uses a snap-action contact mechanism and lever actuator to provide reliable mechanical position detection and switching performance.
This page describes model TM-1703 only. The micro switch is suitable for industrial equipment, automation mechanisms, mechanical travel detection, and control systems requiring flexible actuator movement.
Product Display
The TM-1703 features a compact horizontal body structure with a lever actuator, precision contact mechanism, and terminal connection design. The lever structure provides stable mechanical contact for different equipment applications.
Key Technical Data
| Item | TM-1703 |
|---|---|
| Product type | Horizontal micro switch |
| Actuator type | Lever actuator |
| Contact form | Snap-action contact |
| Operating force | 1.27N max. |
| Release force | 0.21N min. |
| Pre-travel | 4mm max. |
| Overtravel | 1.6mm min. |
| Movement differential | 36.5mm max. |
| Operating position | 30.2 ± 0.8mm |
Features
- Lever actuator for flexible mechanical contact.
- Compact horizontal micro switch structure.
- Snap-action contact mechanism for stable electrical switching.
- Reliable position detection for industrial automation systems.
- High accuracy operation with wide operating speed range.
- Suitable for equipment control, mechanical detection, and automation applications.
Drawing
Outline and Mounting Dimensions
The drawing provides the body dimensions, lever position, mounting holes, and terminal arrangement of the TM-1703. Confirm the mechanical clearance and actuator movement direction before installation.
Contact Form
The TM-1703 uses a snap-action contact mechanism. The contact state changes when the lever 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 | 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 |
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 | 0.01mm to 1m/s |
| Vibration | 10-55Hz, 1.5mm double amplitude |
| Shock | Mechanical durability approx. 100G; malfunction approx. 30G |
Environmental
| Ambient temperature | -15°C to +80°C, with no icing |
| Humidity | General type 35-85% RH; sealed type 35-95% RH |
| Weight | About 22g to 58g |
Operating Characteristics
| Parameter | Description | TM-1703 |
|---|---|---|
| OF | Operating force | 1.27N |
| RF | Release force | 0.21N |
| PT | Pre-travel | 4mm |
| OT | Overtravel | 1.6mm |
| MD | Movement differential | 36.5mm |
| OP | Operating position | 30.2 ± 0.8mm |
Selection Guide
Actuator Type
Select TM-1703 when a lever actuator is required for flexible mechanical contact and reliable switching response.
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-1703 is suitable for automation systems, industrial equipment, mechanical detection, and control applications.