Nortech NGA-501 Addressable Manual Call Point

Nortech NGA-501 Addressable Manual Call Point

SKU: NORTECH-00015
In Stock
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AED 140.00

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A high-visibility, addressable manual call point designed for the Nortech NGA series, featuring a resettable element and integrated short-circuit isolation for maximum system reliability.

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Description

The Nortech NGA-501 is an essential human-interface device for Nortech analogue addressable fire alarm systems. It allows building occupants to manually initiate an alarm signal in the event of a fire. Unlike traditional “break-glass” units, the NGA-501 features a resettable plastic element, which eliminates the risk of injury from broken glass and allows the device to be quickly reset using a specialized key after testing or activation.

Features

  • Precise Addressability: Each unit is digitally programmed with a unique address, allowing the control panel to display the specific location of the activation.
  • Resettable Operating Element: The flexible plastic design provides a “glass-break” feel without the danger of shards or the ongoing cost of replacing frangible glass.
  • Integrated Short-Circuit Isolator: Protects the rest of the addressable loop by automatically isolating the device if a short circuit is detected in its local wiring.
  • Dual Confirmation Indicators: Features both a mechanical yellow/black bar and a bright red LED to provide immediate visual confirmation that the unit has been activated.
  • Simple Key Reset: Allows authorized personnel to quickly reset the device after an activation or test using the provided specialized reset key.
  • Plug-and-Play Installation: Designed for easy mounting on standard UK single-gang backboxes, with high-quality terminals for secure loop wiring.
  • Anti-Tamper Construction: The front cover is designed to stay securely in place and requires the reset key for removal or testing, preventing unauthorized interference.
  • Software-Based Addressing: Addresses are set using a handheld programmer, which eliminates the mechanical failure risks associated with physical DIL or rotary switches.

Specifications

  • Brand: Nortech
  • Model: NGA-501
  • Protocol: Nortech Addressable
  • Element Type: Resettable (Flexible Plastic)
  • Compliance: EN54-11 and EN54-17
  • Operating Voltage: 17V to 30V DC
  • Quiescent Current: 450 microamps
  • Alarm Current: 3mA (LED on)
  • Short-Circuit Isolator: Integrated as standard
  • Addressing: Digital (via handheld programmer)
  • Ingress Protection: IP24 (Standard Indoor)
  • Dimensions: 87mm (H) x 87mm (W) x 52mm (D)

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