RFQ

Allen Bradley 440G-T Series Solenoid Interlock Switch, Power to Lock, 24V ac/dc

  • NG # 02690-HW-ALBR-029

  • MF # 440G-T27127

Manufactured By :
Allen Bradley
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Overview

Allen Bradley Guardmaster 440G-T27127 Solenoid Interlock Switch


Ensure optimal protection for personnel and equipment and minimise downtime with the TLS-2-GD2 440G-T Solenoid Interlock Switch, Power to Lock, 24V ac/dc, by Allen Bradley Guardmaster.


This safety switch is positive mode and tongue operated, and provides electrical interlocking of the machine’s safety guard to the control circuit. When the door is open power to the machine is isolated, ensuring that personnel cannot access dangerous machinery while it is running. It also keeps the safety barrier securely locked while machinery is in motion, reducing risk of injury. This affordable guard locking switch is ideally suited for use with machinery which does not come to an immediate stop, or which may be damaged by interference while running. It works by securing the tongue in the switch when power is applied to the solenoid. The mechanism is released when power is removed, which allows the tongue to be extracted.


The 440G-T27127 switch has a supply voltage of 24VAC/DC. It features 2NC Safety Contacts, 1NO Auxiliary Contact, and 1NC/1NO Solenoid Contacts. The housing material is made of resilient UL approved glass-filled PBT and it has an operating temperature of -20 to +60 °C (-4…+140 °F). The conduit entry is M20, and it has a thermal current of 10A and rated insulation voltage of 500V. For additional protection against actuator damage due to poor gate alignment and wear-and-tear it is fitted with a stainless-steel actuator guide. It is suitable for use with PLCs.


Allen Bradley Guardmaster provide an extensive range of reliable machine safety switches and components to deliver cost-effective solutions for a variety of industrial applications, giving you maximum flexibility and control.


Note:


Actuator is not supplied and must be ordered separately. This safety switch incorporates a Power-to-Lock function.


Warning:


With the “power to lock” function, provisions are required to ensure that a dangerous situation cannot result from open circuit faults or power cuts.


Features and Benefits:


• Exceptional security and stability due to high locking force of 2000 N (450 lb)
• Fast troubleshooting with lid mount status indication
• Environmentally sealed to IP67, ensuring that it is dust-tight and can withstand some immersion in water
• Ideal for use with hinge, sliding, and lift-off doors
• Convenient rotatable head with 2 entry slots, 4 possible actuator entry positions, blanking plug provided to seal the unused slot


Certifications:


EN954-1
ISO13849-1
IEC/EN60204-1
NFPA79
EN1088
ISO14119
IEC/ EN60947-5-1
ANSI B11.19, AS4024
CE certified
UL approved
cULus approved
TUV certified
CCC certified
IP69K rated


What are Solenoid Interlock Switches?


A solenoid interlock switch is a type of safety switch with an internal solenoid; a wire coil that converts electrical energy to mechanical. This type of mechanism limits access to dangerous areas where machinery may be functioning by ensuring that barriers remain securely shut. The safety guard can only be opened by either energizing (Power to Release) or de-energizing (Power to Lock) the solenoid with an external signal. They are often used in industrial environments, for example with high-inertia rotating machines.

Specification

Power to Lock / UnlockPower to Lock
Supply Voltage24V ac/dc
Series440G-T
RangeTLS-2-GD2
Safety Contacts2NC
Conduit EntryM20
Auxiliary Contacts1NO
Housing MaterialPlastic
IP RatingIP67
Length126mm
Depth33mm
Width86mm

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