OP-DFST Single Pattress Digital Fused Spur Timer

  • Digital fused-spur time switch
  • Suitable for patress box mounting
  • 7 day programming logic control
  • Mains-linked switch, with a resistive rating of 13 Amps


SKU: OP-DFST Category:


The OP-DFST is a digital fused-spur time switch. The timer is suitable for patress box mounting. The 7 day programming logic controls a mains-linked switch, with a resistive rating of 13 amperes. There is an inbuilt rechargeable cell to keep the timer running in the event of a loss of mains power. The output can be disconnected by an integrated double-pole isolator switch; the load is protected by a replaceable BS1362 13 Ampere cartridge fuse, within a removeable caddy.

  • 7 Day fused spur timer
  • Patress box mounting
  • Double-pole isolation
  • Supply Voltage: 220-240V AC 50Hz
  • Internally-linked mains switching
  • 200 Hour running reserve

Dimensions: 85 x 85 x 30
Connections: 4 x wire-protect screw terminals
Weight: 150g
Power consumption: 1VA @ 230v 50hz
Resistive load: 13 Amperes
Inductive load: 2 Amperes (cos ø 0.6)
Minimum load: 100mA @ 240v ac
Runnning reserve: 200 Hours
Temperature rating: -20T55
Accuracy quartz regulated: (typically /- 2.5 sec / day)
Minimum switching period: 1 minute
Programme capacity: 24 on/off programmes
Manual override: fix on, timed, fix off & random


Additional information

Weight .150 kg
Dimensions 30 × 85 × 85 mm

OP-DFST Digital Fused Spur Timer User Instructions


OP-DFST Digital Fused Spur Timer Spec Sheet


Example DFST 2 Period Programme