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MAGfire End of Line Resistor Module for Conventional Fire Alarm Panels (5 Pack)

£499
The RRP is the manufacturer's recommended retail price of the item.
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Description

The MAGfire end of line resistor module is a circuit supervision component for conventional fire alarm panels, supplied in a pack of 5 units. Each module terminates a detector zone circuit with a fixed-value resistor, allowing the control panel to monitor the integrity of the wiring between the panel and the detector or call point at the end of the circuit.

Designed for installation in commercial, industrial and residential fire alarm systems using conventional (non-addressable) detection technology, the modules fit inside standard detector bases or behind manual call points. The panel continuously monitors the circuit resistance — if the circuit is broken (open circuit) or shorted, the panel detects the change in resistance and raises a fault condition, alerting the system operator to wiring damage or tampering before a fire event occurs.

Each module houses a single resistor in a compact black plastic housing with exposed tinned wire tails for connection to the zone wiring. The resistor value is matched to the specific panel manufacturer's requirements (typically 4.7kΩ or 6.8kΩ depending on the system). The modules are passive components with no power draw and require no maintenance once installed. The pack of 5 suits installers wiring multiple zones or maintaining spares for service work.

Specification
Materials Heat Shrink Wrapped PCB
Wiring Type 4-Wire Conventional
Dimensions 38 x 10 x 7mm
Product Gross Weight 0.01KG
Downloads

Product Specification Sheet

Frequently Asked

What resistance value are these modules?

The resistance value depends on the specific fire alarm panel manufacturer's requirements. Common values are 4.7kΩ or 6.8kΩ. Check the panel installation manual or contact ESP to confirm compatibility before ordering.

Where are these fitted in the circuit?

The resistor module is fitted at the end of the detector zone circuit, typically inside the last detector base in the zone or behind the furthest manual call point. It connects across the positive and negative zone terminals.

Are these compatible with addressable systems?

No. These modules are designed exclusively for conventional (non-addressable) fire alarm panels. Addressable systems use different end-of-line supervision methods and do not require resistor modules.

Can these be reused after removal?

Yes, provided the wire tails have not been damaged during removal and there is sufficient length remaining to make a secure connection when re-installed. If the tails are too short or the resistor has been exposed to heat or moisture damage, replace the module.

Shipping & Returns

Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

To arrange a return, call us on 020 8149 5199 or use our contact page.

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    Description

    The MAGfire end of line resistor module is a circuit supervision component for conventional fire alarm panels, supplied in a pack of 5 units. Each module terminates a detector zone circuit with a fixed-value resistor, allowing the control panel to monitor the integrity of the wiring between the panel and the detector or call point at the end of the circuit.

    Designed for installation in commercial, industrial and residential fire alarm systems using conventional (non-addressable) detection technology, the modules fit inside standard detector bases or behind manual call points. The panel continuously monitors the circuit resistance — if the circuit is broken (open circuit) or shorted, the panel detects the change in resistance and raises a fault condition, alerting the system operator to wiring damage or tampering before a fire event occurs.

    Each module houses a single resistor in a compact black plastic housing with exposed tinned wire tails for connection to the zone wiring. The resistor value is matched to the specific panel manufacturer's requirements (typically 4.7kΩ or 6.8kΩ depending on the system). The modules are passive components with no power draw and require no maintenance once installed. The pack of 5 suits installers wiring multiple zones or maintaining spares for service work.

    Specification
    Materials Heat Shrink Wrapped PCB
    Wiring Type 4-Wire Conventional
    Dimensions 38 x 10 x 7mm
    Product Gross Weight 0.01KG
    Downloads

    Product Specification Sheet

    Frequently Asked

    What resistance value are these modules?

    The resistance value depends on the specific fire alarm panel manufacturer's requirements. Common values are 4.7kΩ or 6.8kΩ. Check the panel installation manual or contact ESP to confirm compatibility before ordering.

    Where are these fitted in the circuit?

    The resistor module is fitted at the end of the detector zone circuit, typically inside the last detector base in the zone or behind the furthest manual call point. It connects across the positive and negative zone terminals.

    Are these compatible with addressable systems?

    No. These modules are designed exclusively for conventional (non-addressable) fire alarm panels. Addressable systems use different end-of-line supervision methods and do not require resistor modules.

    Can these be reused after removal?

    Yes, provided the wire tails have not been damaged during removal and there is sufficient length remaining to make a secure connection when re-installed. If the tails are too short or the resistor has been exposed to heat or moisture damage, replace the module.

    Shipping & Returns

    Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

    Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

    To arrange a return, call us on 020 8149 5199 or use our contact page.