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Electric Solenoid Bolts EB250 & EB250KO Electric Solenoid Bolts EB250 & EB250KO Electric Solenoid Bolts EB250 & EB250KO Electric Solenoid Bolts EB250 & EB250KO Electric Solenoid Bolts EB250 & EB250KO
EB250 250KO Electric Keyoverride Solenoid Bolt Drg

Electric Solenoid Bolts EB250 & EB250KO

The Alpro EB250 electric solenoid bolt & EB250KO key override solenoid bolts allow for both remote access and exit control of most timber and metal doors. It is also suitable for sliding or swing, single or double action operations. It can be fitted in the frame or in the door. With concealed mortise mounting and slimline styling the bolts suit most narrow stile aluminium doors and narrow profile joinery.

Features include

  • High Physical Security
  • Robust Construction
  • Auto Relock Function
  • Multiple Voltage Input
  • 3 Year Guarantee

  • Specification
  • Order info
  • Documents
  • FAQs


High Physical Security
Holding force 1,000kg - Bolt throw 14mm,

Robust Construction
All stainless steel bolt of 14mm diameter, linkages and springs. 3mm stainless steel faceplate and strike plates with fully enclosed mechanism.

Versatile Installation
Designed to provide concealed high security locking on any single or double action, hinged or sliding door in timber or metal for vertical or horizontal mounting.

Slimline Dimensions
EB250 210mm(L) x 25mm(W) x 43mm(H) 
Back box 160mm(L) x 22mm(W) x 40mm(H)
EB250KO 230mm(L) x 25mm(W) x 43mm(H)
Back box 180mm(L) x 22mm(W) x 40mm(H)


Multiple Voltage Input
Any voltage from 12v DC/24v DC. Complete with
built in transient and reverse polarity protection
and continuously rated solenoid.

Low Current Consumption
Volts Current - Activate Current - Hold
12vDC 740mA 120mA
24vDC 120mA 70mA


Auto Relock Function 
Can be set to 0, 3, 6 or 9 seconds (DIP switch)

EB250 - Dual monitoring - Door position switch/bolt position switch
EB250KO - Triple monitoring - Door position switch/bolt position switch/key
position switch

Order info

12-24vDC solenoid bolt - radius faceplateFail open/PTLEB-250/PTL
12-24vDC solenoid bolt - key override radius faceplateFail secure/PTOEB-250KO/PTO


Glass mounting bracket for EB250 (frameless door) EB-250/GMB
Glass SMK dress plates (2) for EB250 EB-250/SMK-DP
Short strike plate with square hole for EB250 EB-250/SHORT
Surface mounting kit for EB250 (stainless steel) EB-250/SMH-KIT
Short strike plate with square hole for EB250KO EB-250KO/SHORT




Is there a charge for delivery?

Carriage and packing are included in orders over £250.00. A charge of £10.00 is made on lower value orders to cover carriage, packing and insurance. For deliveries to Ireland please speak to the office for pricing.

What guarantees does Alpro give?

6 years for AL110/AL150/AL2000 series electric strikes
5 years for EMS1200 shearlocks/EB250 solenoid bolts/DB25 deadlocking bolts
3 years for EB1001 &EB501 electric bolts/door hardware

Do you have any information on CE Marking or CE Marking of Doorsets?

Please refer to our technical section under Standards.


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Technical Support