The Briton 5740 is a DIN standard latch lock for use on doors using lever furniture which are not required to be locked. It has a 60mm backset with 72mm centres and a profiled latch which is reversible. The 5740 latchlock has been fire tested to EN 1634-1 for use on fire doors up to 1hr timber / 4hr steel when used with the appropriate intumescent kit (Briton 5000.IP).
- Grade 316 stainless steel single piece round or square forend
- Galvanised steel lockcase with satin nickel plating for corrosion resistance
- Quick reversible latch
- Centres 72mm
- Backset: 60mm
- Profiled latch and forend
- Bolt through fixing holes to DIN 18251
- Reversible
- EN 1634-1 and Certifire approved when used with the appropriate intumescent kit
