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DOLD time relays with delayed switch-off are compact devices designed for time control in automation, lighting, HVAC and industrial systems. After the control signal disappears, they maintain the voltage in the circuit for a programmed time.
The ELTRON range includes relays with an adjustment range from 0.05 s to 300 hours, available in various voltage versions – 24 V DC, 230 V AC, universal 12–240 V AC/DC – and in housings with a width of 17.5 mm.
Models such as MK9962N, IK9962, BC7933N, MK9961, BA7962 and AA9962 offer 1 or 2 C/O contacts and are suitable for DIN rail mounting. Variants with an operating time counter (AA7666, EH7666) and versions with a display (MK7804) are also available.
DOLD time relays are available directly from ELTRON – with stock availability and technical support for selection.
| Type | Description | Time range adjustment | Operating voltage | Outputs (C/O = changeover, NO = normally open) | Enclosure width(mm) | Data Sheet | ||
| VAC | VAC/VDC | VDC | ||||||
| MK9962N | timer | 0.05 s ... 300 h | 12 ... 240 | 2 C/O | 22.5 |  MK9962N.pdf | ||
| IK 9962, SK9962 | timer | 0.05 s ... 300 h | 12 ... 240 | 1 C/O | 17.5 | IK9962, SK9962.pdf | ||
| BC 7933N | timer | 0.05 s ... 10 h | 42, 110 ... 240 | 24 | 1 C/O | 22.5 | BC7933N.pdf | |
| MK 9961 | timer | 0.05 ...600 s | 110 ... 127, 230, 240 | 24, 42 | 1 C/O | 22.5 | MK9961.pdf | |
| IK 7819, SK 7819 | timer | 0.05 ... 300 s | 24, 4 ... 60, 110 ... 240 | 1 C/O | 17.5 | IK7819, SK7819.pdf | ||
| BC7938N | timer | 0.05 ... 300 s | 24, 42 ... 60, 110 ... 240 | 1 C/O | 22.5 | BC7938N.pdf | ||
| MK 7873, MK 7873N | timer | 0.05 ... 300 s | 24 ... 240 | 2 C/O | 22.5 | MK7873, MK7873N.pdf | ||
| BC 7939N | timer | 0.05 s ... 16 h | 42, 110 ... 240 | 24 | 1 C/O | 22.5 | BC7939N.pdf | |
| BA 7962, AA 9962 | timer | 0.05 s ... 100 h | 24, 42, 110, 127, 230, 240 | 24, 48, 60, 110, 220, 240 | 2 C/O | 45 | BA7962, AA9962.pdf | |
| IK 7823, SK 7823 | timer | 0.25 s ... 640 min | 110 ... 240 | 24 | 1 C/O | 17.5 | IK7823, SK7823.pdf | |
| MK 7804 | timer with display | 0.1 ... 99.9 s | 230 | 24, 42 | 1 C/O | 22.5 | ||
| BA 7954, AI 954N | timer | 0.05 ... 300 s | 24, 42, 110, 127, 230, 240 | 24, 48, 60, 110, 220 | 2 C/O | 45 | BA7954, AI954N.pdf | |
| AA 7666 | timer with elapsed time indication | 0.15 s ... 60 h | 12, 24, 42, 110, 127, 230, 240, 400, 415 | 1 C/O | 45 | AA7666.pdf | ||
| EC 7666, EF 7666 | timer with elapsed time indication | 0.15 s ... 60 h | 24, 42, 110, 127, 230, 240 | 1 C/O | 48, 72 | EC7666, EF7666.pdf | ||
| EH 7666 | timer with elapsed time indication | 0.15 s ... 60 h | 24, 42, 110, 127, 230, 240 | 12, 24, 48, | 1 C/O | 96 | EH7666.pdf | |
| AA 7562 | timer, electro-pneumatic | 0.2 ... 180 s | 24, 42, 110, 127, 230, 240 | 24, 220, 42, 60, 110 | 1 C/O | 45 | AA7562.pdf | |
| Type | Description | Housing width (mm) | Data sheet |
| MK 9962 | timer | 22.5 | MK9962.pdf |
| AI 953N | timer | 45 | AI953N.pdf |
| MK 7863 | timer | 22.5 | MK7863.pdf |
| EO 7863 | timer, 11 independent settings | 35 x 48 | EO7863.pdf |
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