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Securitex Electronic Systems Engineering  (Auto gate Division)
Block 9010 Tampines St 93 #04-145 Tampines Industrial Park A Singapore 528844 Tel: +65 67852171 Fax: +65 65850107

O&O Automatic barrier system K4.

O&O k4_1image.jpg (10493 bytes)

O&O k4 barrier image.jpg (7188 bytes)

O&O k4 internal image.jpg (13812 bytes)

O&O k4 control unit image.jpg (6138 bytes)


Automatic barrier - "Colorado" series

K4, the automatic electromechanical barrier, counterweighted with springs, is the fruit of O&O’s thirty years’ experience in access control automation and a close analysis of the end user’s requirements.

K4 is a completely new concept and technically advanced and is the right answer for controlling accesses in complete safety where medium to high traffic intensity is envisaged (condominiums, companies, camping grounds, etc...).

The quality of the materials used and the strict tests it is subject to guarantee precision movement and 100% reliability over time.

Sturdy bearing structure and pleasant looking, K4 is easily adaptable to any operating environment.

Technical description

K4 is an electromechanical barrier counterweighted with springs and with a built in control unit; it is suitable for controlling road accesses maximum 4 m in width. Solidly made, K4 is anchored to the ground with a foundation plate.

The internal transmission mechanisms make the bar slow down when opening and closing imparting a considerable fluidity and precision to movement.

Thanks to an adjustable electronic clutch, both the thrust force and control of the impact force in the case of knocking against an obstacle can be accurately calibrated.

K4 is equipped with a Reverser
, an anti-crushing control system that stops the bar immediately if it
comes up against an obstacle, reversing movement.

The barrier can always be operated manually, putting it in neutral, by means of a key system on the outside.

During maintenance, a micro switch disconnects the electricity so the engineer can work on the electrical and mechanical parts in complete safety.

A flashing light, key selector and a photoelectric cell can be installed directly on the K4’s structure; in addition, it can be fitted with a round bar and supporting foot.

Cataphoresis treatment and two coats of enamel paint protect the barrier body over time from the most adverse environmental condition.
To purchase or request for a quotation on the above system please e-mail.

Product Brochure in PDF format please click here

B 4000 Technical data


230V ± 5% (50Hz)

Absorbed power:



2-phase with built in thermal overload probe (130° C)




With limit switches

Opening time:

7 sec.

Control unit:

Built in - mod. BSX


Electronic, adjustable

Active safety device:

Magnetic reverser

Hand maneuvering:

With a key from the outside


Heavy duty

Bar length:

4 m

Structure size:

250x362x1150 mm


(62 kg)

To purchase contact:

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SecureCiti International is a subsidiary of Securitex Electronic Systems Engineering
Block 9010 Tampines St 93 #04-145 Tampines Industrial Park A Singapore 528844 Tel: +65 67852171 Fax: +65 65850107 Reg. No.: 52838264X