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White rectangular timer module with terminal blocks and LCD display

Altronix Corporation

Altronix Corporation PT724A 365 day timer 1 channel 12/24 VDC VAC 10 holiday

SKU CH-312T-P6TQX MPN PT724A

A 365-day annual timer with one channel for 12 or 24 VDC and VAC operation plus ten holiday schedules

  • 365-day annual scheduling for year-round automation
  • 24-hour precision timing for daily control
  • Single-channel operation simplifies wiring and setup
  • Dual 12/24 VDC and VAC input supports flexible power sources
  • 10 programmable holiday exceptions prevent unwanted activation

Annual 365-day timer for access control

The Altronix PT724A is a single-channel timer designed for annual scheduling in access-control and automation systems. It operates on 12 or 24 VDC or VAC, making it compatible with common low-voltage power supplies. The unit provides 365-day programming with 24-hour resolution and supports ten holiday exceptions. Installers and facility managers use it to automate door strikes, lighting or HVAC equipment on a yearly calendar.

DIN-rail mount with screw terminals

The timer mounts on a standard DIN rail and connects via screw terminals for power, relay output and programming input. Wiring follows the labelled terminal block; no special tools are required beyond a small screwdriver. A common issue is reversing the AC or DC polarity on the supply terminals, which prevents the unit from powering up. Another frequent oversight is forgetting to set the holiday dates after the main schedule, leaving the exceptions inactive.

One relay channel with ten holiday blocks

The single relay channel switches loads according to the programmed annual schedule and the ten holiday blocks. It comfortably handles daily on or off events across a full year and the defined holiday overrides. The timer does not support multiple independent channels, so applications requiring separate schedules for different zones will need additional units. Complex multi-zone logic or networked scheduling is beyond the capability of this standalone device.

Highlights

  • 365-day annual scheduling for year-round automation
  • 24-hour precision timing for daily control
  • Single-channel operation simplifies wiring and setup
  • Dual 12/24 VDC and VAC input supports flexible power sources
  • 10 programmable holiday exceptions prevent unwanted activation

Specifications

BrandAltronix Corporation
ModelPT724A
Shipping weight0.16 kg
Package size152 × 89 × 41 mm

Questions about this item

How do I confirm the PT724A is running its 365-day schedule correctly after wiring it to 12 VDC?

Watch the channel LED cycle through the programmed on/off events and holiday skips over several days; the timer advances its internal calendar automatically.

What comes with the PT724A and what must I source separately for a 24 VAC installation?

The unit includes the timer module and mounting hardware; you must supply a 24 VAC transformer, low-voltage wiring and an enclosure if required by local code.

Should I choose the PT724A or a different model for a single-channel 12/24 VDC VAC timer with 10 holiday blocks?

The PT724A matches that exact specification — one channel, 365-day/24-hour programming, 12 or 24 volt AC/DC operation and ten holiday periods.

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