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Guard Lock Safety-door Switch D4BL A-67
D4BL
Safety Door
Switches
Guard Lock Safety-door Switch
D4BL
Release Protective Cover Locks Using
Controller Signals or Pushbutton Switches
after the Cutting Tool Stops Moving Due to
Inertia
• A mechanical lock is applied automatically when the Operation
Key is inserted. A high level of safety is achieved using a
mechanism where the lock is only released when voltage is
applied to the solenoid.
• Conforms to EN (TÜV) standards corresponding to the CE
marking.
• Approved by UL, CSA, BIA, SUVA and CCC standards.
• The Switch contact is opened by a direct opening mechanism
(NC contacts only) when the protective cover is opened. Direct
opening mechanism that is EN-approved is indicated by on
the Switch.
• Auxiliary release key ensures easy maintenance and unlocks
the door in the case of a power failure.
• Tough aluminum die-cast body incorporating a switch box with
degree of protection satisfying IP67, UL, and CSA TYPE6P, 13.
• Equipped with a horizontal and vertical conduit opening.
• Models incorporating easy-to-see indicators for monitoring and
those using an adjustable Operation Key for a double door are
available.
• The mounting direction of the head can be changed to allow the
Operation Key to be inserted from four directions.
Note: Be sure to read the “Safety Precautions” on page A-78 and the
“Precautions for All Safety Door Switches” on page A-2.
Model Number Structure
■ Model Number Legend
1234 5
1
D4BL - -
1. Conduit Size (2-conduit)
3. Head Mounting Direction
5. Indicator
D4BL - K
Switch
Operation Key (Order Separately)
1. Operation Key Type
1: PG13.5
2: G1/2
3: 1/2-14NPT
C: 1NC/1NO (slow-action) + 1NC (slow-action)
D: 2NC (slow-action) + 1NC (slow-action)
R: Four mounting directions possible (right-side mounting at shipping)
4. Door Lock and Release
(Auxiliary Release Key is Incorporated by All Models)
A: Mechanical lock/24-VDC solenoid release
B: Mechanical lock/110-VAC solenoid release
G: 24-VDC Solenoid lock/Mechanical release
Blank: Without indicator
A: 10 to 115 VAC or VDC driving (with orange
and green LED indicator unit)
1: Horizontal mounting
2: Vertical mounting
3: Adjustable mounting (Horizontal)
2. Built-in Switch (with Safety Switch and Lock Monitor
Switch Contacts)