Sentry E. Labs Latch Bolt Monitor Electric Strike for Metal Door Frame (SEL-300M) - Fail Secure

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Product Details

Sentry E. Labs Electric Strike for Metal Door Frame w/ Latch Monitoring is designed with:

  • Operating voltage: 12VDC
  • Current draw: 250mA@12VDC
  • Latch width up to: 45mm
  • Application for spring latch
  • For hollow metal frames
  • Latch monitoring switch
  • Mortise mount
  • The Sentry Electronics Labs Electric Strike is designed for use with Sentry Safety panic exit bars. It is secured to the door jamb and gives the locking mechanism a component to engage so the door closes. This model is compatible with most hollow metal or aluminum frames. Furthermore, customers can be assured of the durability of this accessory, due to its solenoid construction. It has 2000 lbs of jaw strength in pull testing and is tested to 1,000,000 cycles. It also comes with a sensor switch to indicate the locked or unlocked status of the lockset. offers a comprehensive product range to control the movement of entry/exit point doors. It is essential for building owners to be able to strike a balance between opening security, safety and durability at a cost that meets business objectives. products are designed to meet the most common installation and application requirements in the commercial marketplace so that these products exceed the needs of customers who value reliable door control products, excellent service, and prompt delivery.

    SentrySafetyHardware is the premiere brand for panic crash bars, door closers and electronic entrance accessories. Our wide selection of tested and certified panic crash bars have been installed in hundreds of businesses across the U.S. and world. Certification helps business owners obtain a positive fire inspection report but equally as important: these certificates also convey the vigorous testing each of our models have been put through. Additionally, Sentry E. Labs accessories: exit buttons, strikes and locks are fully compatible with Sentry panic crash bars and door closers. When installing an exit system using our product line, you can take comfort in knowing that SentrySafetyHardware and Sentry Electronics Labs products will uphold the quality safety standards set forth by our founders.

    Metal Door Frame 
    This Sentry E. Labs electric strike is best used with hollow metal door frames. Click the image to view larger to see its suggested application and placement.

    Metal Frame Electric <span style='text-decoration:underline;' onmouseover=javascript:generateFloatLayer(event,'Iframe603') onmouseout=document.getElementById('Iframe603').style.display='none'>Strike</span><iframe SCROLLING='no' src='glossary_detail.aspx?id=11070' frameborder='0' onload=this.height=Iframe603.document.body.scrollHeight+20;document.getElementById('Iframe603').style.display='none' id='Iframe603' name='Iframe603' style='position: absolute; z-index: 100; background-color: #eeeeee; font-size: 14px; padding: 15px;'></iframe>
    What is Latch Monitoring? 
    This model comes with a "Sensor Switch monitoring output" function which indicates the lockset locked or unlocked status. Click the image to view larger and see how this function works. Sensor

    Manual: Sentry E. Labs Electric Strike GK-300M Manual
    QB ID: GK-300M

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