D4BL
D4BL is Guard Lock Safety-door Switch manufactured by OMRON.
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Guard Lock Safety-door Switch
Protective Doors Are Locked Until Machines pletely Stop Operating
- 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, and SUVA 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.
- Metric conduit types available
Model Number Structure
Model Number Legend
Switch D4BL 1 2 3 4
1. Conduit Size (2-conduit) 1: PG13.5 2: G1/2 3: 1/2-14NPT 4: M20 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)
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)
Operation Key (Order Separately) D4BL
- K
1. Operation Key Type 1: Horizontal mounting...