Elevator Door Limit Switch UKS Series - Manual Reset Safety Switch
BETO UKS Series IP67 Rated Elevator Buffer & Safety Gear Limit Switch
Product Overview
The UKS Series Elevator Limit Switch is a critical safety component designed for elevator buffer systems, pit tensioners, and safety gear pulling mechanisms. Engineered by BETO Electric, a leading manufacturer of elevator safety components, this manual-reset limit switch provides reliable position detection and safety circuit interruption for elevator systems worldwide.
Built to withstand harsh hoistway environments, the UKS Series features IP67 waterproof protection and a robust plastic housing designed for reliable operation in oil, dust, and moisture conditions.
Technical Specifications
| Parameter |
Specification |
| Series |
UKS (Manual Reset) |
| Brand |
BETO |
| Function |
Elevator buffer switch / Safety gear limit switch / Pit tensioner switch |
| Contact Type |
Adjustable (NO/NC configurable) |
| Rated Voltage |
AC 220V / DC 110V |
| Rated Current |
2A (AC) / 0.3A (DC) |
| Travel |
8 ± 1 mm |
| Operating Force |
≈ 11N |
| Protection Rating |
IP67 (EN 60529) |
| Reset Mode |
Manual Reset Only |
| Housing Material |
Reinforced Engineering Plastic |
| Operating Temperature |
-10°C to +60°C |
| Mechanical Life |
> 5,000,000 cycles |
| Certificates |
CE, CCC, ISO9001 |
| Origin |
China |
| Warranty |
12 Months |
Primary Applications
Core Safety Functions
-
Elevator Buffer Limit Switch - Terminal stopping device for car and counterweight buffers
-
Safety Gear Pulling Mechanism - Emergency safety brake position detection
-
Pit Tensioner Switch - Governor rope tension monitoring in elevator pit
-
Speed Limiter Switch - Overspeed detection system integration
Installation Positions
-
Buffer cap contact detection
-
Safety gear activation point
-
Pit governor tension wheel
-
Counterweight buffer assembly
Note: UKS Series is not typically used for hoistway door interlocks. For door safety contacts, consider UKT Series (automatic reset) or dedicated door contact switches.
UKS vs UKT Series Selection Guide
| Feature |
UKS Series |
UKT Series |
| Reset Type |
Manual Reset |
Automatic Reset |
| Contact State |
NO/NC Configurable |
Normally Closed Only |
| Application |
Buffer, Safety Gear |
Tensioner, General Limit |
| Safety Level |
Highest (requires inspection) |
Standard |
| Part Number |
UKS |
UKT |
Choose UKS Series when: Safety codes require manual inspection after switch activation (critical safety circuits).