Description
UnitedSeats Seat Belt Locks – Fixed Buckle Series
Original UnitedSeats fixed-buckle seat belt locks designed for professional and industrial operator seating. Choose from 120–150 mm fixed stems, plus an option with an integrated NO/NC switch for belt status signaling.
Available Variants
- 
ON.151351 — Fixed buckle, 120 mm
- 
ON.151360 — Fixed buckle, 150 mm
- 
ON.151415 — Fixed buckle, 150 mm + NO/NC switch
Key Features
- Original UnitedSeats accessory for industrial and commercial seats
- Fixed buckle stem for consistent buckle position
- Option with integrated NO/NC (Normally Open/Normally Closed) contact for belt-locked signaling (e.g., alarms, interlocks)
- Durable construction for intensive daily use
- Quick installation and low maintenance
Certified Quality & Standards
Manufactured, tested and approved to applicable standards (identification marked on the product):
- 
ECE R16 — Road vehicle restraints (UK & EU)
- 
SAE J386 — Pelvic restraint systems for off-road machinery
- 
ISO 6683 — Seat belts & anchorages for earth-moving machinery
Safety Instructions (Essentials)
- Always wear the belt; one belt per person only.
- Replace belts after any impact or if cut/frayed/damaged.
- Clean with warm soapy water only; avoid solvents/bleach.
- Position buckle at or just below the hip; diagonal across shoulder when applicable.
Specifications
| Reference | Buckle Type | Length | Switch | 
| ON.151351 | Fixed | 120 mm | — | 
| ON.151360 | Fixed | 150 mm | — | 
| ON.151415 | Fixed | 150 mm | NO/NC status contact |