Model Number Structure, Model Number Legend

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-78and the “Precautions for All Safety Door Switches” on page A-2.

Model Number Structure

■Model Number Legend

Safety Door Switches D4BL

Switch
D4BL -				-
1	2	3	4	5

1.Conduit Size (2-conduit)

1:PG13.5

2:G1/2

3:1/2-14NPT

2.Built-in Switch (with Safety Switch and Lock Monitor

Switch Contacts)

C:1NC/1NO (slow-action) + 1NC (slow-action)

D:2NC (slow-action) + 1NC (slow-action)

3.Head Mounting Direction

R:Four mounting directions possible (right-side mounting at shipping)

Operation Key (Order Separately)

D4BL - K

1.Operation Key Type

1:Horizontal mounting

2:Vertical mounting

3:Adjustable mounting (Horizontal)

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

5.Indicator

Blank: Without indicator

A:10 to 115 VAC or VDC driving (with orange and green LED indicator unit)

Guard Lock Safety-door Switch D4BL

A-67