Descriptions
The Zenith 3781 Digital Combination Lock (Wet Area) by Lowe & Fletcher is part of the Lowe & Fletcher range. Its main points are IP65 rated for water resistance, ideal for wet environments and multiple user modes: Public, private, technician, and RAS.
You can then set the colour, operating mode, lock orientation, spindle length (mm), panel thickness (mm), cam bar and more. Any extra cost is shown next to each choice and added to the ex VAT price. The lead time is 7-10 working days.
Key features
- IP65 rated for water resistance, ideal for wet environments
- Multiple user modes: Public, private, technician, and RAS
- 8-digit master code, 6-digit sub-master code, and 4-digit user code
- Durable design with a steel override key for emergency access
- LED indicator lights and audible keypad for easy operation
- Vertical, left-hand, or right-hand fixing options with two or three-point configurations
- Operates on 2 x AA batteries (included) with up to 50,000 cycles per pair
- Battery condition indicator and auto unlock mode for convenience
Specification
- Brand: Lowe & Fletcher
- Product code: LF3781WA
- Factory part number: LF3781WA
- Lead time: 7-10 working days
Options and prices
- Colour: Silver (included); Black (included); White (included)
- Operating Mode: Public Mode (Resets After Each Use) (included); Private Mode (For Designated Users) (included)
- Lock Orientation: Vertical – Locks Both Ways (Most Popular) (included); Horizontal – Locks Left (included); Horizontal – Locks Right (included)
- Spindle Length (mm): 20 mm (Most Popular) (included); 16 mm (included)
- Panel Thickness (mm): entered when you order
- Cam Bar: CAM100 L&F cranked cam A= 3.2mm B= 50mm (included); CAM103 L&F straight hooked cam B= 24mm (included); CAM107 L&F 3 point cam B= 63mm 6522750 (included); CAM108 L&F cranked cam A= 1.6mm B= 50mm (included); CAM120 L&F cranked cam – 37mm with 6.4mm crank (included); CAM125 L&F straight 3 point cam – 36mm (included); CAM126 L&F cranked 3 point cam – 60mm with 7.9mm crank (included); CAM127 L&F cranked hooked 3 point cam – 40mm with 6.4mm crank (included); CAM128 L&F 45mm straight cam – 4mm thick, Suitable for IP rated locks (included); CAM149 Cranked hooked cam A= 5.6mm B= 40mm – Suitable For Hero Locks (included); CAM15 L&F cranked cam A= 11.1mm B= 50mm (included); CAM155 L&F cranked hook cam A= 7.9mm B= 40mm (included); Cam01 L&F straight cam B= 22mm (included); Cam02 L&F straight cam B= 25mm (included); Cam03 L&F straight cam B= 30mm (included); Cam05 L&F straight cam B= 44mm (included); Cam06 L&F straight cam B= 48mm (included); Cam07 L&F straight cam B= 51mm (included); Cam08 L&F straight cam B= 58mm (included); Cam10 L&F cranked cam A= 3.2mm B= 35mm (included); Cam11 L&F cranked cam A= 3.2mm B= 48mm (included); Cam12 L&F cranked cam A= 5.6mm B= 38mm (included); Cam13 L&F cranked cam A= 5.6mm B= 52mm (included); Cam138 L&F straight cam B= 38mm (included); Cam14 L&F cranked cam A= 6.4mm B= 56mm (included); Cam16 L&F cranked cam A= 5.6mm B= 50mm (included); Cam20 L&F cranked hooked cam A= 11.1mm B= 40mm (included); Cam21 L&F cranked hooked cam A= 4.8mm B= 29mm (included)
- Lock Series: New Locks – Standard Key Series (Most Popular) (included); Locks to coincide with existing locks (included)
- Example Key Series: entered when you order
FAQs
How long does delivery take?
The lead time is 7-10 working days.

