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         Click to enlarge. Images representative | DIM12NDIN - Potentiometer Controlled Negative Output DIN-mount LED DimmerPWM Lamp/LED dimmer module, 12V or 24V, 5A (60W at 12V, 120W at 24V). DIN-mountable. Controlled by a panel mounted rotary control. Negative low-side output suitable for RGB LED applications with a common anode or common positive connectionFeatures:
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| Overview | Specification | Connection Diagram | Dimensional Drawing | Related Products |
The DIM12NDIN is a low voltage 12V or 24V PWM lamp and LED dimmer module controlled by the supplied external potentiometer. The unit is vary similar to the DIM12DIN but features a negative output.
The unit features a negative switched low-side output. Multiple DIM12NDIN units can be used for high power RGB LED dimming applications.
Connections to the DIM12NDIN are shown in the Connection Diagram section. The DIM12NDIN is connected to the supplied external potentiometer with 2-core cable. Turning the potentiometer shaft clockwise will increase the lamp brightness, anti-clockwise will decrease the lamp brightness. The DIM12NDIN features a fail-safe feature whereby in the event of an open circuit between the DIM12NDIN 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 DIM12NDIN can be used with any 10k linear potentiometer. Only two terminals of the potentiometer need to be connected to the DIM12NDIN: the wiper (central) terminal and left-most terminal with the shaft facing you.
DIM12NDIN Specifications
| Parameter | DIM12NDIN | Comment |
|---|---|---|
| Datasheet |  | |
| Nominal Supply Voltage Range | 10 - 32 V DC | |
| Peak Supply Voltage Range | 7 - 55 V DC | Operation not guaranteed |
| Output Type | Low Side Negative | |
| 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 | 10mA | 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 |
DIM12NDIN Typical Connection Diagram
DIM12NDIN Dimensional Drawing
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