Omron D4BL User Manual

Model number structure, Guard lock safety-door switch, Model number legend

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Guard Lock Safety-door Switch

D4BL

A-67

D4
BL

Sa
fe

ty

Do

or

Sw

it

c

h

e

s

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

1

2

3

4

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)

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