Product Overview
The TM-1705 is a long steel wire lever horizontal micro switch designed for industrial control and automation applications. It uses a snap-action contact mechanism and flexible wire lever actuator to provide reliable mechanical position detection and switching performance.
This page describes model TM-1705 only. The micro switch is suitable for industrial equipment, automation mechanisms, electronic devices, and applications requiring flexible actuator movement and low operating force.
Product Display
The TM-1705 features a compact horizontal body structure with a long steel wire lever actuator, precision contact mechanism, and terminal connection design. The flexible lever allows smooth contact with moving mechanical parts.
Key Technical Data
| Item | TM-1705 |
|---|---|
| Product type | Horizontal micro switch |
| Actuator type | Long steel wire lever |
| Contact form | Snap-action contact |
| Operating force | 58.8mN max. |
| Release force | 4.90mN min. |
| Pre-travel | 8.3mm max. |
| Overtravel | 5.6mm min. |
| Movement differential | 0.65mm max. |
| Operating position | 19 ± 1mm |
Features
- Long steel wire lever actuator for flexible mechanical contact.
- Low operating force design for sensitive position detection.
- Snap-action contact mechanism for stable electrical switching.
- Compact horizontal micro switch structure.
- High accuracy operation with wide operating speed range.
- Suitable for industrial automation, electronic devices, and control systems.
Drawing
Outline and Mounting Dimensions
The drawing provides the body dimensions, wire lever position, mounting holes, and terminal arrangement of the TM-1705. Confirm the mechanical clearance and actuator movement direction before installation.

Contact Form

The TM-1705 uses a snap-action contact mechanism. The contact state changes when the wire 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 | General type -25°C to +80°C; sealed type -15°C to +80°C |
| Humidity | General type 35-85% RH; sealed type 35-95% RH |
| Weight | About 22g to 58g |
Operating Characteristics
| Parameter | Description | TM-1705 |
|---|---|---|
| OF | Operating force | 58.8mN |
| RF | Release force | 4.90mN |
| PT | Pre-travel | 8.3mm |
| OT | Overtravel | 5.6mm |
| MD | Movement differential | 0.65mm |
| OP | Operating position | 19 ± 1mm |
Selection Guide
Actuator Type
Select TM-1705 when a long steel wire lever actuator is required for flexible mechanical contact and low operating force applications.
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-1705 is suitable for automation systems, industrial equipment, electronic devices, and precision position detection applications.