Overview of Allen-Bradley 440G-T27241 Guard Locking Switch
The Allen-Bradley 440G-T27241 is a TLS-2 GD2 power-to-lock guard locking switch designed for safety door monitoring and control in industrial environments. Operating on 24V AC/DC, it features 2 normally closed safety contacts and 1 auxiliary normally open contact, along with a power-to-lock solenoid for secure guard locking. The switch offers robust performance with high ingress protection (IP66, IP67, IP69K) and complies with major safety standards.
Key Features of Allen-Bradley 440G-T27241
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Power-to-Lock Solenoid: Provides secure locking of safety doors to prevent unauthorized access.
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Safety Contacts: 2 normally closed safety contacts rated for safety circuit monitoring.
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Auxiliary Contact: 1 normally open auxiliary contact for signaling or control purposes.
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Voltage Supply: Operates on 24V AC/DC for versatile industrial power compatibility.
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Ingress Protection: Rated IP66, IP67, and IP69K for resistance to dust, water, and high-pressure washdowns.
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Actuator Included: Fully-flex compatible actuator for effective guard activation.
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Conduit Connection: 12-pin M23 connector simplifies wiring and installation.
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Compliance: Meets ANSI, IEC, ISO, CE, cULus, TUV, and other international safety standards.
Technical Specs of 440G-T27241
Operating Voltage: 24V AC/DC ±10% / -15%
Safety Contacts: 2 Normally Closed (NC)
Auxiliary Contacts: 1 Normally Open (NO)
Solenoid Contact Configuration: 1 Normally Closed, 1 Normally Open
Ingress Protection: IP66, IP67, IP69K
Actuator Type: Fully-flex actuator included
Conduit Entry: 12-pin M23 connector
Operating Temperature: 0 to 55°C (32 to 131°F)
Mechanical Life: 500,000 cycles
Dimensions: Length 126 mm, Width 86 mm, Depth 39 mm
Weight: Approximately 400 g (0.9 lb) switch, actuator 150 g (0.3 lb)
Applications / Use Case of Allen-Bradley 440G-T27241
The Allen-Bradley 440G-T27241 guard locking switch is ideal for machinery safety applications requiring secure guard doors to prevent access during operation. It is commonly used in manufacturing, packaging, and automation where compliance with international safety standards and reliable field device performance is critical for operator safety.