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Power Supplies
Essential Security Supplies offers an extensive range of power supplies, battery chargers, and UPS solutions to meet all your low voltage power requirements. Our products cater to the needs of access control, intercom, security alarm, automation, data, and surveillance systems, ensuring reliable and efficient operation for your security and automation needs
$59.00 NZD | $249.00 NZD
$48.30 NZD | $88.21 NZD
PSU6B SM - 13.8V 6A (battery backup) in Plastic Cabinet, Smart Compatible with: EC-A2, EC-O4 & EC-Z8
$402.20 NZD | $734.36 NZD
$89.40 NZD | $119.40 NZD
Reducing False Alarms in Commercial Security Systems NZ
Essential Security Supplies
Repeated nuisance alarms cost time, reduce confidence in the security system and can distract operators from genuine incidents. In New Zealand commercial properties, false alarm patterns commonly arise from detector placement, changing occupancy, door contact alignment, environmental movement, poor maintenance or incorrect panel programming. There is no single sensitivity setting that solves every problem. The most effective approach is evidence-led: establish which zone is activating, reproduce the...
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Door Contact Selection: Gap Ratings and Roller Doors NZ
Essential Security Supplies
Door contacts look simple, but many nuisance alarms and incorrect door-held events originate in poor contact selection or alignment. A contact that works when held together on the bench may not operate reliably on a moving steel door, vibrating roller shutter or frame that flexes with seasonal changes. New Zealand installers need to understand operating gaps, magnet orientation, mounting substrate and the difference between a reed contact...
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Monitored Electric Locks: Bolt, Door and Bond Status NZ
Essential Security Supplies
A controller output marked locked does not necessarily mean the physical door is secure. It may simply confirm that the controller has energised or de-energised a relay. For commercial access control, monitored electric locking hardware can provide additional feedback about the door leaf, an engaged bolt or strike, or the bond between a magnetic lock and its armature. Those signals help installers diagnose faults and create better...
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Door Loops and Power Transfer Devices: Safe Door Wiring NZ
Essential Security Supplies
An access-controlled door is a moving mechanical assembly, not simply a fixed electrical load. Power and monitoring cables often have to pass between a stationary frame and a moving leaf. The wrong transfer method can pinch conductors, fatigue strands, damage a rated door or interrupt the supply to an electric lock. For New Zealand installers, selecting a door loop or concealed power transfer is therefore a mechanical,...
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