Allen Bradley 440L-P4AL3400YD Guardshield Light Curtain Perimeter Access Control
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Manufacturer Rockwell / Allen Bradley
Mfg Catalog # 440L-P4AL3400YD
North Coast Part # 1278411


  • Offers simplified setup though Integrated laser alignment system
  • Offers a wide operating range:
  • Optically synchronized, which eliminates hard-wiring for synchronization
  • Offers advanced functions:
  • Offers multiple models:


  • Type: Pair (Transmitter and Receiver)

Safety Light Curtain Data

  • Immutable: Standard
  • Type of Unit: Pair (Transmitter and Receiver)
  • Protected Height: 820mm (32.3 in)
  • Beams: 3 Beams, 400mm (15.7 in) Spacing
  • Integrated Laser Alignment: Yes
  • System Connector: Micro style quick-disconnect M12 (Tx: 4 or 5-pin, Rx: 8-pin)


UPC 61259895677
GTiN 00612598956777
Type Type 4
Family Brand Name Allen Bradley
Sub Brand GuardShield
Applications For Safety Functions
Temperature Rating -10 to 55 C
Light Source 870 nm Infrared
TC Connection Connector M12
Response Time 30 Millisecond
Blade Dimensions 52 mm L x 42 mm W x 1192 mm H
Standard CCC,CUL,KC,UL

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