Nortech NGA-701 Addressable Input/Output Module

Nortech NGA-701 Addressable Input/Output Module

SKU: NORTECH-00018
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AED 160.00

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A versatile, fully monitored addressable module that provides both a supervised input for third-party dry contacts and a programmable changeover relay output for controlling ancillary building systems.

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Description

The Nortech NGA-701 is a multi-functional intelligent module designed for the Nortech NGA addressable series. It combines the monitoring capabilities of an input module with the switching power of an output relay, making it a critical component for integrated fire safety strategies. It allows the fire alarm panel to both “listen” to external triggers and “act” by controlling hardware like fire doors, dampers, or elevators.

Features

  • Dual Functionality: Combines a supervised input for monitoring and a relay for control, reducing the number of individual modules required on the loop.
  • Supervised Monitoring: The input circuit uses a 10k Ohm EOL resistor to detect and report wiring faults, ensuring the link to external equipment is always intact.
  • Programmable Relay Output: Provides a dry contact changeover relay that can be activated by any event on the fire panel, such as a general fire alarm or a specific zonal trigger.
  • Integrated Loop Isolation: Features a built-in short-circuit isolator to protect loop communication in the event of a localized wiring fault.
  • Loop Powered Design: All electronics and the relay coil are powered by the addressable loop, eliminating the need for additional 24V DC field wiring.
  • Status Indicator LEDs: Includes visible LEDs that indicate the status of both the input and output channels for easier commissioning and troubleshooting.
  • Reliable Digital Protocol: Uses advanced communication to ensure high-speed signal transmission and excellent resistance to electrical noise.
  • Flexible Enclosure: Typically housed in a robust plastic box with transparent cover options, suitable for surface mounting near the controlled equipment.

Specifications

  • Brand: Nortech
  • Model: NGA-701
  • Protocol: Nortech Addressable
  • Operating Voltage: 17V to 30V DC
  • Quiescent Current: 500 microamps
  • Alarm Current: 3.5mA (LED and Relay active)
  • Input Type: Supervised Dry Contact (Normally Open)
  • Output Type: Volt-free Relay (Form C: NO/NC/COM)
  • Relay Contact Rating: 2A at 30V DC / 0.5A at 125V AC
  • Short-Circuit Isolator: Integrated
  • Addressing: Digital (via handheld programmer)
  • Dimensions: 120mm (H) x 80mm (W) x 40mm (D)

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