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         Click to enlarge. Images representative | DIM12DIN - DIN-Mount Potentiometer Controlled LED DimmerPWM Lamp/LED dimmer module, 12V or 24V, 5A (60W at 12V, 120W at 24V). Controlled by a panel mounted rotary control.Features:
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| Overview | Specification | Connection Diagram | Dimensional Drawing | Related Products |
The DIM12DIN is a low voltage 12V or 24V PWM lamp and LED dimmer module controlled by the supplied external potentiometer.
Connections to the DIM12DIN are shown in the Connection Diagram section. The DIM12DIN is connected to the supplied external potentiometer module with 2-core cable. Turning the potentiometer shaft clockwise will increase the lamp brightness, anti-clockwise will decrease the lamp brightness. The DIM12DIN features a fail-safe feature whereby in the event of an open circuit between the DIM12DIN and the potentiometer module, the output will default to full brightness. The dimming control can be any resistance such as a thermistor - for temperature controlled dimming, or an LDR - for light controlled dimming. 0R = fully off, 10k = full brightness.
The DIM12DIN can be used with any 10k linear potentiometer. Only two terminals of the potentiometer need to be connected to the DIM12DIN: the wiper (central) terminal and left-most terminal with the shaft facing you.
Please Note:
The 'i' option on the end of the part number formerly meant 'improved dimmer' where the dimming response and transient voltage immunity were improved. All dimmers manufactured since early 2016 are now 'improved' whether the 'i' is present or not. This option is therefore now redundant, but still exists in some part numbers.
Therefore, as of 2016, a DIM12DINi and DIM12DIN are exactly the same product.
DIM12DIN Specifications
| Parameter | DIM12DIN | Comment |
|---|---|---|
| Datasheet |  | |
| Nominal Supply Voltage Range | 9 - 32 V DC | |
| Peak Supply Voltage Range | 5.5 - 40 V DC | Operation not guaranteed |
| Output Type | High-Side Positive | |
| PWM Switching Frequency | 240Hz, 0% - 100% Duty Cycle | +/- 3% |
| Maximum Load Current | 5A | |
| Non-Sustained Peak Output Current | 12A | < 3sec |
| Maximum Load | 60W (12V), 120W (24V) | |
| Control Input Type | Remote Potentiometer | |
| Quiescent Current, max | 14mA | No-load operating current at maximum operating voltage |
| Efficiency | >97% | |
| Ingress Protection (IP Rating) | IP20 | |
| Mechanical Fixing | DIN-Rail Mount | |
| Electrical Connection | 4mm2 rising clamp terminal block | |
| Enclosure Style | DIN-mount vented package |
DIM12DIN Typical Connection Diagram
DIM12DIN Dimensional Drawing
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