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Product Features
  • Approved to EN54-4 & VdS certified
  • Self-contained box houses 17 Ah batteries
  • Electronic overload protection
  • Deep battery discharge protection
  • Mains & Fault LED indicators
Delivery options

At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates. 

  • We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
  • If you are purchasing a laboratory product online you can find out the price of shipping checkout. If you are obtaining a quote for a product, then we will email you
    with our best shipping prices along with your quote.
  • Please see our delivery page for full information

Kidde EN 54-4 approved, 24 V 2 A + 0.8 A Intelligent Power Supply 9-30841

The 9-30841 is a fully-featured EN54-4 approved power supply ideal for use in fire system applications. It features intelligent battery charging, monitoring and signalling. Regulated 24 VDC output will source up to 2 A into the load as well as providing up to 0.8 A for charging the standby batteries.

The load output features full electronic short circuit protection under both mains and standby battery operation. Maximum battery life is assured through continuous active battery monitoring and 3 different charge levels: bulk (fast charge), absorption and temperature compensated float. Deep discharge protection prevents premature battery failure when operating from standby for extended periods.

Inside the unit, a diagnostic led with various flash patterns, ensure accurate diagnostics when the unit is at fault.

Installer friendly

A 9-30841 power supply is supplied in a self-contained, wall mounting box that can also house 17 Ah batteries (not included). The battery charging circuit is energised only when a battery is correctly connected and the battery voltage is greater than 14 V.

A green and a red LED that is visible when the box is closed, indicates mains present and faults. A red diagnostics LED inside the unit, distinguish between various faults by way of various flash patterns.

A potential-free contact is used to signal faults due to output failure, battery fault, charger fault or internal fault. A second potential-free contact signals the loss of mains power.

The unit starts-up automatically under battery i.e. connect battery and unit runs. There is no need for mains to be present and is very useful for commissioning on new build installations.
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