Description

**MCK Series Mortise Cylinder Keyswitch Stations**

Designed for narrow or single-gang applications, these mortise cylinder keyswitch stations offer flexibility and functionality. Options include momentary action switches, which stay activated when pressed, or alternate action switches, which toggle between open and closed with each press. LED integration is available.

**Key Features**

– Durable stainless steel wall plates compatible with standard 1-1/8” mortise cylinders
– Includes tamper-resistant and slotted head screws
– Mortise cylinders are sold separately (model options: CY-1, CY-1A)

**Customization Options**

– Choice between momentary or alternate action switches, refer to the model chart for details
– SPDT or DPDT configurations available, see model chart
– LED options include no LED, green, or dual green and red LEDs, refer to model chart
– Pneumatic time delay settings range from 2 to 45 seconds, consult model chart
– Weather-resistant covers and surface mount boxes available, applicable for single gang models only (add “WP” for this option)

**Technical Specifications**

– Contact rating: 4A at 28 VDC
– LED compatibility: 12 or 24 VDC/VAC
– Switch depth behind the plate: 1-1/4”
– Switches feature color-coded leads
– Operating temperature range: +15°F to 120°F

General Information
Brand NameAlarm Controls by ASSA ABLOY
ManufacturerASSA ABLOY
Manufacturer Part NumberMCK4
Product ModelMCK-4
Product NameMCK-4 Mortise Key Switch
Product SeriesMCK
Product TypeMortise Key Switch
Switch ActionSPDT Momentary
 
Physical Characteristics
ColorGreen, Red
Form FactorWall Mount
Product ColorSilver
Product MaterialStainless Steel

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