D4BL-2CRA

Overview of Omron D4BL-2CRA

The Omron D4BL-2CRA is a guard lock safety-door switch with a solenoid lock mechanism designed for industrial safety applications. It features dual normally closed (NC) contacts and is compliant with safety standards such as EN60947-5-1 with approved positive opening mechanisms. The switch is IP67 rated for protection against dust and water, suitable for harsh environments.

Key Features of Omron D4BL-2CRA

• Contact Configuration: 2 NC + 1 NC contacts with approved positive opening mechanism for reliable safety circuit breaking.
• Locking Mechanism: Solenoid lock type to ensure safety doors remain secured during operation.
• Protection Rating: IP67 sealing, providing excellent protection against dust ingress and water jets.
• Mechanical Durability: 1,000,000 operations minimum mechanical life.
• Electrical Durability: 500,000 operations minimum at rated load.
• Operating Speed: Suitable for speeds from 0.05 to 0.5 m/s.
• Operating Temperature: -10 to 70°C for wide industrial applicability.
• Operating Frequency: Up to 30 operations per minute.
• Mounting Options: Horizontal, vertical, and adjustable with dedicated operation keys and mounting brackets.
• Auxiliary Features: Includes lock monitor switch and auxiliary release key for safety overrides.

Technical Specs of Omron D4BL-2CRA

Model	D4BL-2CRA
Contact Form	2 NC + 1 NC
Rated Operating Voltage	250 VAC / 3 A
Mechanical Durability	1,000,000 operations minimum
Electrical Durability	500,000 operations minimum
Operating Speed	0.05 to 0.5 m/s
Operating Frequency	30 operations/minute max
Protection Rating	IP67
Operating Temperature	-10 to 70°C
Weight	Approx. 450 g
Mounting	Horizontal, vertical, adjustable

Applications / Use Case

The D4BL-2CRA is used primarily for guarding and interlocking safety doors in industrial machinery, ensuring machine operation halts when access is unsafe and maintaining door locked status during operation.

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Verification Links:
https://www.mouser.com/datasheet/2/307/D31D4BL0303-28826.pdf
https://www.tme.com/us/en-us/details/d4bl-2cra/standard-safety-switches/omron/
https://www.digikey.com/en/products/detail/omron-automation-and-safety/D4BL-2CRA/2667692