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Electric Mortise Lock Exit Device

Description

The Electric Mortise Lock (EM) Exit Device has all the characteristics of a standard mortise lock exit device, with the added feature of electronic control of the outside trim via a customer-supplied switching device (e.g., key switch, digital keypad, card reader, or control console). The EM exit device allows remote electrical control to lock or unlock the outside trim. The key cylinder on the outside trim can mechanically retract the latch bolt at any time, even when the lockset is electrically locked, providing a mechanical override.

Accessories

The EM exit device requires the folling accessories:

1. An electric hinge or electrical power transfer device

2. A key switch or digital keypad

3. A power supply

* These accessories must be sourced independently by the customer.

 

Features

 

(1) Fail Safe Control - Electrically locked (EL)

Model No. 8820S-EL/MEL , 8820F-EL/MEL

The outside lever is locked when power is applied and unlocked when power is removed (storeroom function when energized.) The lockset will unlock in the event of a power failure. If this function is desired, specify Model No. 8820S-EL/MEL or 8820F-EL/MEL.

(2) Fail Secure Control – Electrically unlocked (EU)​

Model No. 8820S-EU/MEU , 8820F-EU/MEU

The outside lever is unlocked when power is applied and locked when power is removed. The lockset will lock in the event of a power failure. If this function is preferred, specify Model No. 8820S-EU/MEU or 8820F-EU/MEU.

*Note: Some fire codes require Fail Safe operation for stairwell doors. be sure to specify the correct function for your application.

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Electrical Specifications
Solenoid Type
  • Voltage : 12VDC or 24VDC (Voltage must be specified when ordering)
  • Current : 612mA @ 12VDC ; 330mA @ 24VDC
  • Power Consumption : 8 Watts
  • Solenoid : The solenoid used in this exit hardware is typically installed in internal, temperature-controlled (around 23°C / 73°F)

Motor Type

  • Voltage : 12 - 24VDC (Operating range: 11V - 30V)
  • Current : 250mA max inrush, 10mA max holding
  • Leads: Non-polarized (can be connected without regard to polarity)
  • Function Selection (via switch slider) : Yellow - Fail Secure or Green - Fail Safe
    Note: Power must be cycled after changing the switch slider setting to apply the new function. 

The Electric Mortise Lock Exit Device may have the following additional functions if required.​

1. REX (Request to Exit)

If you need to monitor whether the exit device is operated from the inside, use the REX option with security systems to monitor the push bar.

2. LM (Latch Monitor)

If you need to monitor whether the latch is extended or retracted, use the LM option with security systems to detect the latch status and signal whether the door is open or closed.

 Note: The REX or LM switch option is a signaling switch only. It should not be used to control a load.  

 

  • UL/cUL Listed Fire Exit Hardware
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