Schneider Electric CCT15441 Acti9 IHP 1C Programmable Timer

CCT15441 Acti9 IHP 1C weekly programmable time switch

The CCT15441 is the single-channel member of the Schneider Electric Acti9 IHP programmable time switch family. It is a digital 24 h plus 7 day timer with a changeover (C/O) dry contact, four push-buttons and menus in 11 languages. It mounts on a TH35 DIN rail, 45 mm wide. Seven Star LLC supplies the CCT15441 in Oman and the GCC as an independent supplier based in Muscat.

Where the IH mechanical timers repeat one daily pattern, the CCT15441 can run a different schedule for each day of the week. It does not calculate sunrise or sunset and has no external override input in the datasheet function list, so choose it for clock-based schedules only.

CCT15441 technical specifications

Programming capacity of the CCT15441

The datasheet lists weekly programming with 56 switchings, a minimum interval of 1 min and accuracy of ± 0.25 s/day 25 °C. Time and program are saved for 10 years time and program saving without supply. The listed functions are:

• Code lock function
• Holiday schedules
• Automatic winter/summer time changeover
• On/off permanent switching
• Manual operation
• On/off switching times
• Switch preselection

Holiday schedules and automatic summer/winter changeover are useful in the GCC mainly where site operations follow public-holiday calendars; many Gulf states do not use daylight saving, so the changeover can be left off.

What sets the CCT15441 apart from its siblings

It is the plain one-channel weekly timer. The two-channel CCT15443 has the same housing and programming but adds a second output; the IHP+ CCT15551 adds pulse, cycle and random programming, an external override input and a backlit display with an operating-time counter; and the IC Astro CCT15225 switches by calculated sunrise and sunset. The comparison below uses datasheet values.

CCT15441 in the IHP and IC Astro range

The programmable models from this lane compared on datasheet values:

Loads and contact rating of the CCT15441

The contact is rated 10 A – 250 V AC pf = 0.6 and 16 A – 250 V AC pf = 1 with a minimum of 10 mA 230 V AC and 100 mA 24 V AC/DC. Lamp-load limits from the datasheet:

• incandescent lamp: 2600 W
• halogen lamp: 2600 W
• non-corrected fluorescent tube: 2600 VA
• serial-compensated fluorescent tube: 2600 VA
• parallel compensated fluorescent lamp: 400 VA (48 µF)
• compact fluorescent lamp: 400 W
• < 2 W LED lamp: 25 W
• ≥ 2 W LED lamp: 200 W

Heavier or inductive loads should be switched through a contactor, with the timer driving the coil.

Inrush current at switch-on, particularly with LED drivers and electronic ballasts, can exceed the steady rating for a few milliseconds. The lamp-load limits above already account for typical inrush, but groups of many drivers on one contact should be split or switched through a contactor.

Selection checklist for the CCT15441

• Supply: 230 V AC +10 % -15 % at 50/60 Hz.
• Channels needed: 1.
• Control logic: weekly clock schedule.
• Load: inside the load table or through a contactor.
• Temperature: -30–55 °C operating range.
• Options: override input, memory stick, languages.

Installation and commissioning of the CCT15441

Mount this unit on TH35 rail, wire the supply and load with the 0.5 to 2.5 mm² screw terminals described on the datasheet, then set language, date, time and schedules through the four push-buttons. The unit is Class II, IP20 and overvoltage category 3, so it belongs in a closed board.

After programming, test each output by manual operation, then watch the first scheduled switchings. A code lock function is listed to prevent changes by unauthorised persons, which is worth enabling on shared boards.

Before energising, confirm that the supply on the board matches 230 V AC +10 % -15 % at 50/60 Hz and that the load circuit has its own protective device, since the timer contact is not a short-circuit protection element. Keep control wiring tidy and clear of power cables so the unit’s push-buttons and display remain accessible for later changes, and label the output so maintenance staff know which circuit it controls.

Where the CCT15441 is used in Oman and the GCC

Typical jobs are street, facade, landscape and car-park lighting, mosque and compound lighting, and signage that should follow a daily or weekly routine. In hot and dusty switchrooms keep the board within the -30–55 °C range on the datasheet and avoid direct sun on the enclosure.

In practice many Gulf sites run lighting on a fixed evening-to-dawn pattern all year, and shift pumps, fans or irrigation by season. Document each programmed schedule on a label inside the board door, because a replaced timer comes up blank and the schedule has to be re-entered from the record.

Documents and quotation

The official Schneider Electric datasheet of this unit is attached on this page for download, so every figure above can be checked against the source.

To request a quotation, send us the part number CCT15441, the quantity and the delivery location through the RFQ form. Seven Star LLC replies with availability and lead time.