Suppressors and Filters

1313 & 1414 Spike Suppressors
	The ACT 1313 and 1414 Spike Suppressors help prevent phantom alarms caused by induced AC. They will eliminate induced AC voltage from being passed on to the DC supply to detectors and control equipment when alarm cables are installed near mains, telephones and other electrical cables. ...Click for More....
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2323 Mainspike Suppressor
	The 2323 Mainspike Suppressor provides up to 4,500Amps spike suppression across live, neutral and Earth. It protects security and fire alarm panels, CCTV cameras, access control equipment and security lighting from false alarms and malfunctions. Installed easily with simple parallel connections to LNE. ...Click for More....
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1166 Earth Line Choke
	The 1166 High Frequency Earth Line Choke prevents electrical RF interference from affecting the 12VDC supply on metal alarm control panels. Connect in line with mains Earth inside the control panel. ...Click for More....
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1376 PIR Stabiliser
	The 1376 PIR Stabiliser protects PIR detectors from malfunctioning when RFI is passed. It prevents phantom alarms and unnecessary replacement of non-faulty PIRs. Fitted to the troublesome detector with 12VDC supply connected through it. ...Click for More....
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230MSF Mains Suppression Filter
	The 230MSF Mains Suppression Filter prevents phantom alarms and system malfunctions caused by EMI / RF interference and nearby lightning via the 230VAC mains supply. Designed to protect against interference on a continuous basis, it will self sacrifice in order to protect the equipment in the event of a direct lightning strike. ...Click for More....
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CPS3 Control Panel Suppression
	The ACT CPS3 Control Panel Suppression Kit comprises of a series ACT 230MSF EMI/RFI mains filter with fused lightning protection, ACT 1313 12 volt spike suppressor and ACT 116 high frequency earth line choke. It is designed to eliminate induced AC and prevent false alarms or system malfunctions caused by RFI signals. ...Click for More....
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211 Control Panel Suppression Kit
	The ACT 211 Control Panel Suppression Kit comprises of a parallel ACT 2323 EMI mains filter, ACT 1313 12 volt spike suppressor and ACT 1166 high frequency earth line choke. It offers spike protection from electrical appliances and nearby lightning, eliminates induced AC and prevents false alarms and systems caused by RFI signals. ...Click for More....
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431 DSL Broadband Alarm Filter
	The 431 DSL Broadband Alarm Filter enables analogue alarm signals to operate securely on broadband and DSL lines and is designed to meet BS EN 50131 requirements. Provides terminal connections to be wired directly to the master phone socket and alarm equipment and is suitable for Redcare, digital communicators and speech dialers. ...Click for More....
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2468 RFI Filters
	The ACT 2468 is a powerful 1 Amp rated RFI filter used to reduce RF interference to alarm detectors, sounders and DC access control circuits. It is designed for use on any DC troublesome alarm circuit cable and is particularly beneficial where data corruption occurs to keypads and LIMs. Can be used to attenuate RFI interference to alarm detectors and sounders. ...Click for More....
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Ferrite Tubes
	The 3010 Ferrite Tubes reduces RFI signals from alarm circuit wiring. They slide over DC, data and contact wires and are fit as standard to both ends of alarm cabling. Compact enough to be fitted inside control panels, PIRs, vipers, keypads etc. ...Click for More....
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4425 iD Line Filter
	The 4425 iD Line Filter prevents RFI entering the control panel on iD alarm systems. It is designed to connect between the blue and yellow data wires and the input terminals of the alarm control panel. Allows data to pass through normally but prevents RFI entering the control panel. ...Click for More....
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4201 4-Zone Opto-Isolator
	The ACT 4201 is designed to prevent false alarms by optical isolating troublesome zones from the control panel. ...Click for More....
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120L Transistorised Relay
	The ACT120L is a transistorised relay designed to eliminate false or phantom alarms on a troublesome zone or tamper circuit. It is easy to install and can be used on positive or negative ‘normally closed’ circuits. Includes an ‘optional latch-link’, enabling the module to be triggered by a momentary >5V+ or 0V-signal. ...Click for More....
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440 Tamper Splitter
	The ACT 440 4-Zone Tamper Splitter is designed to give separate identification of tamper circuits where only a ‘global’ tamper circuit is provided by the panel manufacturer. It allows troublesome tampers to be easily identified in the event of an alarm condition. Splitting tampers into individual circuits also prevents false alarms caused by bad contacts or cable. ...Click for More....
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0260 Timer Module
	The ACT 0260 Timer Module is a versatile adjustment timer suitable for security systems and many other applications where a reliable modular timer is required. In all cases the timer will start when an input signal is applied. The trigger can be either pulsed or continuous positive 5V+ or negative 0V signal. ...Click for More....
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DRM1 Delayed Release Module
	The DRM1 is a one minute adjustable (0 - 60sec) timed delayed release module. Incorporates a versatile 12 volt and 24 volt DC operation with 3Amp COM / NO / NC. It can be triggered by 0 volt or +5 volt DC supply. Has a selectable Latch or Non-Latch modes to suit numerous security applications. Also available as 5 minute (ACT DRMS) and 15 (ACT DRM15) minute versions. ...Click for More....
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Suppressors, Filters, Relays & Modules

We stock a range of suppressors and filters as alarm troubleshooting solutions. The most popular being spike suppressors, our DSL broadband alarm filter, earth line choke, RFI filters and telephone line conditioner. Remember, if you require technical advice on alarm troubleshooting please call 01744 886660.