Slim timers include smart anti-tamper mechanism

An Omron Electronics product story
Edited by the Engineeringtalk editorial team Aug 8, 2000

Omron's 17.5mm H3DS timer range combines up to eight operating modes and a wide time setting range with a unique, anti-tamper smart locking mechanism, yet costs no more than a standard timer

Smart, sleek and safe, Omron's 17.5mm H3DS timer range combines up to eight operating modes and a wide time setting range with a unique, anti-tamper 'smart' locking mechanism, yet costs no more than a standard timer of the same size.

With their multifunctional design, the H3DS timers cover every possible requirement.

The three models in the range offer one, four, and eight operating modes respectively, including ON-delay, flicker-OFF start, flicker-ON start, signal ON/OFF delay, signal OFF delay, interval and one-shot modes.

Each offers a wide time setting range of 0.1 seconds to 120 hours.

The timers also feature a wide AC/DC power supply range, from 24 to 240V AC and from 24 to 48V DC, making it simple to choose the right timer for your needs, and reducing stock holding requirements.

The timers provide an SPDT relay output rated at 5A at 250V AC, and 5A at 30V DC.

All setting of the timers is accomplished using the front panel timer dial and mode selection dial, with settings clearly indicated in panel 'windows'.

Two LEDs indicator power and output relay status respectively.

Where tamper proofing is a key requirement, the unique 'smart' dial/selector locking mechanism prevents the dials and selectors on the timer's front panel from being operated without authorisation.

The lock is enabled using a special pen-type key, and the timer can then only be unlocked with the same key.

The H3DS timers have been designed to meet the widest variety of international standards.

In particular, EN61812-1 and IEC60664-1 4kV/s compliance provides more safety in application, whilst EMC requirements are met through EN50081-1 and EN50082-2 compliance, allowing application in virtually any location.

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