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Allen Bradley

Allen Bradley 440L-T Mini-Safe Light Curtain - 1120mm (440L-T4K1120YD)

Allen Bradley 440L-T Mini-Safe Type 4 light curtain, 1120mm.

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ManufacturerAllen Bradley

Part number440L-T4K1120YD

Sensing Range 1120mm

Beams 4

Type Type 4

Safety Rating PLe, SIL 3

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Type 4 safety rated 1120mm sensing length 4 beams for enhanced detection PLe and SIL 3 certified OSSD outputs Compact and robust design Easy alignment

Product description

The Allen Bradley 440L-T4K1120YD is a Type 4 Mini-Safe light curtain system with a sensing range of 1120mm. It utilizes 4 beams for robust detection and is designed to meet high safety standards, including PLe (Performance Level e) and SIL 3 (Safety Integrity Level 3).

This light curtain is ideal for safeguarding hazardous machinery in industrial environments, preventing operator access during operation. Applications include CNC machines, robotic cells, presses, and material handling equipment where physical barriers are impractical.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation components, offers the 440L-T4K1120YD. We provide reliable and cost-effective solutions for your machine safety needs, ensuring quick delivery to minimize downtime.

Technical specifications

Sensing Range	1120mm
Beams	4
Type	Type 4
Safety Rating	PLe, SIL 3
Output	OSSD (Output Signal Switching Device)
Voltage	24V DC
Series	Mini-Safe

Common applications

Machine Guarding

Hazardous Machine Access Prevention

Robotic Work Cells

Punch Presses

Automated Assembly

Material Handling

CNC Machines

Compatible systems

Allen Bradley Safety Relays (e.g., Guardmaster series) Safety Controllers

Also known as

Allen Bradley 440L-T4K1120YD light curtain system Mini-Safe light curtain 1120mm

Replaces / compatible with

This light curtain can replace older or lower-rated safety devices to achieve higher safety performance levels required by modern machine safety standards.

Technical note

Expert tip

The OSSD outputs of the 440L-T4K1120YD require connection to a suitable safety relay or safety controller to achieve the PLe safety rating.

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Frequently asked questions

What is the sensing range and beam count of the 440L-T4K1120YD light curtain?

The Allen Bradley 440L-T4K1120YD Mini-Safe light curtain has a sensing range of 1120mm and utilizes 4 beams for detection. This configuration provides robust protection against unauthorized access to hazardous machinery.