DIN rail power supplies with conformal coating

PULS DIN rail power supplies with conformally coated PCBs secure maximum reliability and system availability in tough environmental conditions.


DIN rail power supply CP10.241-C1 with conformal coating DIN rail power supply CP10.241-C1 with conformal coating

Robust power solutions for tough conditions

Power supplies with conformal coating maintain system reliability

PULS DIN rail power supplies are inherently robust. They deliver high efficiency, reliability and long service lifetime – even under challenging ambient conditions.

However, tough ambient conditions such as high levels of humidity or condensation or high concentrations of conductive particles in the environment, e.g. the attraction of dust particles due to electrostatic charge, can diminish these properties.

To ensure long-term reliability of a system under such conditions, power supplies with conformally coated PCBs are recommended.

DIN rail power supplies for 1-phase system

Compare Article No. DC output Range Power Input Dimensions
WxHxD (mm)
Special feature
24V 5A 24-28Vdc 120W AC 100-240V | DC 110-150V 32 124 102 conformal coating
24V 20A 24-28Vdc 480W AC 100-240V | DC 110-150V 48 124 127 conformal coating
24V 20A 24-28Vdc 480W AC 100-240V 65 124 127 conformal coating
24V 5A 24-28Vdc 120W AC 100-120V AC 200-240V 32 124 117 conformal coating
24V 2.1A 24-28Vdc 50W AC 100-240V | DC 110-300V 45 75 91 conformal coating
24V 4.2A 24-28Vdc 100W AC 100-120V AC 220-240V | DC 290V 73 75 103 conformal coating
24V 20A 24-28Vdc 480W AC 200-240V 49 124 124 Conformally coated
24V 5A 24-28Vdc 120W AC 100-240V | DC 100-300V 40 124 117 conformal coating, ATEX
24V 10A 24-28Vdc 240W AC 100-240V | DC 110-150V 60 124 117 conformal coating, ATEX
24V 10A 24-28Vdc 240W AC 100-240V | DC 110-150V 60 124 117 conformal coating
24V 20A 24-28Vdc 480W AC 100-240V | DC 110-150V 82 124 127 conformal coating, ATEX
24V 20A 24-28Vdc 480W AC 100-240V | DC 110-150V 82 124 127 conformal coating
24V 40A 24-28Vdc 960W AC 100-240V 125 124 127 partial conformal coating


DIN rail power supplies for 3-phase system

Compare Article No. DC output Range Power Input Dimensions
WxHxD (mm)
Special feature
24V 10A 24-28Vdc 240W AC 380-480V 62 124 117 conformal coating
24V 20A 24-28Vdc 480W AC 380-480V 65 124 127 conformal coating


Power supply with integrated decoupling function

Compare Article No. DC output Range Power Input Dimensions
WxHxD (mm)
Special feature
24V 10A 24Vdc 240W AC 100-240V | DC 110-150V 39 124 117 hot swappable, conformal coating
24V 20A 24Vdc 480W AC 100-240V | DC 110-150V 48 124 127 hot swappable, conformal coating


Improve your system availability

Typical applications for power supplies with conformal coating

Power supplies for subtropical regions Power supplies for subtropical regions

Subtropical regions

Constant humidity in conjunction with high temperatures

Power supplies for agricultural operations Power supplies for agricultural operations

Agricultural operations

Aggressive air conditions or insect infestations: Cowsheds, silos, etc.

Power supplies for protected outdoor areas Power supplies for protected outdoor areas

Protected outdoor areas

Damp or condensation: E.g. lighting, advertising, scoreboards

Power supplies for paper producing and paper processing Power supplies for paper producing and paper processing

Paper producing and paper processing

High dust and ESD exposure

Power supplies for railway and construction vehicles Power supplies for railway and construction vehicles

Railway and construction vehicles

Permanent vibration loads and fast-changing temperatures

Power supplies for systems with mechanical fans Power supplies for systems with mechanical fans

Systems with mechanical fans

Increased particle deposits

Conformally coated PCBs of the CP10.241-C1 Conformally coated PCBs of the CP10.241-C1
The conformally coated PCBs of a CP10.241-C1.

Perfect results and highest quality

Precise conformal coating method

PULS uses a special coating method based on a selective coating with a protective liquid film, to give users the perfect end result. This coating method is different from the traditional spray or dip technologies.

Compared to these traditional methods, selective coating is far more precise and delivers faultless results with a constant level of quality. The protective coating is applied as a thin layer of film.

This eliminates any air pockets, which can occur with the wet spray method. Selective coating also prevents droplet formation which may result in uneven layers when using dip coating.

PULS stores the exact coating process for each product digitally. The programming controls the targeted application of the coating on the defined PCB areas, leaving out components that do not need to be coated.

It also guarantees that the thickness of the coating layer remains uniform. In addition, no masking is required to cover the components for this process.

This production technology means that users benefit from the highest quality protective coatings. The inherently reliable power supplies are ideally equipped for use in challenging environmental conditions for electronics.


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