Dortronics Systems, Inc.

Door Interlock Controller targets small systems security.
Agricultural & Farming Products

Door Interlock Controller targets small systems security.

Suitable for air locks or security mantraps, with up to 4 normally unlocked doors or 3 normally locked doors, 4700 Series can be programmed at factory to allow for only 1 door, in any defined area, to be unsecured at a time. Request for access at any normally locked door will inhibit REX inputs for all other locked doors and secure all unlocked doors in area. PLC is powered from built-in 4 A...

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Dortronics' Electric Strikes Receive UL Listing
Mechanical Components and Assemblies

Dortronics' Electric Strikes Receive UL Listing

3300 Series Now UL Listed As Burglary Resistant Electric Strike. Anaheim, CA (September 21, 2009) - The Dortronics 3300 Series Electric Strikes were tested to withstand a 1,000 lb. pull test, run through 250,000 cycles and are now UL Listed Burglary Resistant Electric Strikes. On display at ASIS 2009, the popular series is compatible with most aluminum door frame cutouts and is suitable for most...

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Interlock System is offered with relay expansion modules.
Agricultural & Farming Products

Interlock System is offered with relay expansion modules.

Dortronic's 4900 Series Intelligent Interlock System lets system designers build on standard mantrap configuration and program additional interlock configurations or operation requirements. It can be customized for unique operational requirements and reprogrammed to accommodate future expansion with additional I/O modules. PLC controller initially handles 33 inputs and 33 outputs and can be...

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Mechanical Components and Assemblies

Dortronics' Electric Strikes Offer Strength at a Critical Point

3300 Series Products Hold Tight To A 2,000-lb. Pull Test, Accommodate Most Doors. Las Vegas, NV (April 1, 2009) - Dortronics Systems, Inc. makes access control durable and strong - 2,000 lbs. strong - with their 3300 Series electric strikes on display at ISC West. The popular series is compatible with most aluminum frame cutouts, is furnished with an ANSI strike plate, and is suitable for most...

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Agricultural & Farming Products

Dortronics Shows Diverse and Versatile Product Line at ISC West

Includes Intelligent Interlock Controller, Simple Off-Line System, Sturdy Electric Strike. Las Vegas, NV (April 1, 2009) - Dortronics Systems, Inc. is displaying its diverse range of door control hardware products for attendees at ISC West - showcasing a wide assortment of immediately available, off-the-shelf products and custom-design capabilities to cater to any customer need. The company is...

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Agricultural & Farming Products

PLC-Based Controller targets electronic locking systems.

Suited for mantrap door systems, 4900 Series Intelligent Interlock Controller also allows control of any sized door interlock project. Its PLC handles 33 inputs and 33 outputs, expandable to accommodate over 128 inputs and 128 outputs. Up to 4 normally locked doors, 8 normally unlocked doors, or mix of both using 8 available inputs can be controlled by I/O board. Board includes 4 DPDT form C...

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Mechanical Components and Assemblies

Dortronics' Popular Series of Electric Strikes on Display at ASIS 2008

Strikes Series Built For Strength and Durability. Atlanta, GA (September 15, 2008) - Dortronics Systems, Inc. is featuring their popular 3300 Series of electric strikes here at ASIS 2008. Compatible with most aluminum frame cutouts and furnished with an ANSI strike plate, the 3300 Strike series is suitable for most wood and hollow metal door frames. The 3301 electric strike is furnished with a...

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Agricultural & Farming Products

Dortronics Demonstrates Strength of Product Line at ASIS 2008

New Enhancements Made to Comprehensive Product Lineup. Atlanta, GA (September 15, 2008) - Dortronics Systems, Inc. is reaffirming their standing as the industry's leading supplier of standard and custom finish access control products by highlighting several of their product lines at ASIS 2008, including the popular ETR-Timer - Multi Function Fail-Safe Time Delay, EZ-Access Door Control Solution...

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Agricultural & Farming Products

Electric Strikes accommodate deep door latch keeper.

Furnished with 9 in. tall ANSI strike plate that is compatible with most aluminum frame cutouts, 3300 Series electric strikes are suitable for wood and hollow metal door frames. They convert from fail-secure to fail-safe operation, and are built to hold tight with 2,000 lb pull test rating and stainless steel jaw and strike plate. Units feature in-line automatic power converter that accepts power...

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Agricultural & Farming Products

Electronic Time Delay Device meets NFPA requirements.

Providing field adjustable time delay of 1-60 sec, ETR-Timer can also be adjusted at factory to fixed 30 sec delay. Powered from 12-24 Vdc supply requiring 0.05 A, it can be triggered from either NO or NC momentary dry contact or by switching trigger input to power source ground. Unit meets code requirement for true fail-safe lock timer, and protects timing circuit against spikes and surges...

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