Worm screw post mounted electromechanical ram

Key features.

  • Irreversible electromechanical geared motor
  • 24v and 230v motors with encoder for maximum safety
    and precision in the gate movement
  • Versatile and reliable, suitable for a wide range of applications
  • Built in physical stops, no need for open and close gate stops
  • Available in very popular anthracite grey finish (BOB50ME.DA)

Technical specification.

  • Amperometric sensing, obstacle detection (24v motors only)
  • No nylon parts, superior build quality
  • Intensive use (24v motors)
  • Optional battery back-up (24v motors)
  • Solid construction with patented gear design

General details

Product information

Electromechanical, irreversible geared worm drive post mounted ram with built-in stops.

The BOB50, a unique electromechanical operator with a long working stroke and capacity for a 5m gate leaf. A powerful large domestic and light commercial operator with built in stops on the ram.

See related products below. View the documents tab to download further product information.

BOB 50ME – 230Vac Worm Drive Ram for gate leafs up to 5m – built in stops and encoder
BOB 50ME.DA – 230Vac Worm Drive Ram for gate leafs up to 5m (DARK COLOUR) – built in stops and encoder
BOB 5024E – 24Vdc Worm Drive Ram for gate leafs up to 5m – built in stops and encoder

*Please note the BOB ‘DARK’ model is only available in the 50ME 230v (5m) option.



Control panel & features

BOB50 kits are supplied with the full feature BRAINY control panel.


  • Step by step input
  • Electronic force adjustment
  • Diagnostics LCD display
  • Built in 433.93Mhz radio receiver
  • Separate encoder inputs for each motor
  • Separate slow down during open and close for each motor
  • 8.2Kohm Safety edge input – wire direct into the board
  • Maglock / lock output

Part numbers / kit codes

Part numbers

BOB50ME – RAM ONLY – 230Vac
BOB50ME.DA – RAM ONLY – 230Vac – DARK model
BOB5024E – RAM ONLY – 24Vdc

Kit codes

Our kits come complete with the following:
1 x Control panel
1 x Pair of PUPILLA photocells
1 x 433.92Mhz aerial long-range aerial
2 x TO.GO 2 button transmitters (rolling code or programmable code/fixed code)

KBOB50ME – Pair Kit – 230Vac
KBOB50ME.DA – Pair Kit – 230Vac – DARK model
KBOB5024E – Pair Kit – 24Vdc

KSBOB50ME – Single Kit – 230Vac
KSBOB50ME.DA – Single Kit – 230Vac – DARK model
KSBOB5024E – Single Kit – 24Vdc