+44 203 286 8189 steve.jones@westside-int.com
Rosahl power supplies

CE logo x 150

ur x 150

RoHS

Rosahl power supplies

The correct power supply (PSU) for Rosahl micro dehumidifiers needs a suitable DC output characteristic for the reliable operation. The manufacturer recommends a constant current limiting PSU with an output current suitable for the rating of the membrane used.

Fold-back and hiccup power supplies

It is possible to use other types of power supplies, but users should refer to their preferred suppliers for performance details. A fold-back type PSU may be suitable provided the output voltage does not fall below 1.8V DC during overload conditions. Importantly. the output characteristic generated by hiccup mode power supplies make them unsuitable for use with Rosahl membranes.

 

Rosahl switching power supplies

A range of suitable low-cost enclosed and open board type switching PSUs suitable for use with Rosahl membranes is available from Westside International. These constant current limiting power supplies are suitable for an input voltage range of 85 to 264V AC and have a 3VDC output. They are RoHS compliant and marked for CE and UL. The correct model selection is from the tables below.

They use standard input and output connectors from the VH Series manufactured by Company JST, and these are widely available: the connector details are also given in the table. The optional cable harnesses provide both input and output cables and comes with 400mm cables. Model BW1 is suitable for membranes up to size 5: BW2 is suitable for membrane sizes 7 and 10.  Rosahl power supplies are suitable for mounting in five or six orientations.

 

General Specifications

– Rosahl enclosed and open board type power supplies: CE; UL; RoHS compliant as follows:

– Conduction noise: EN55022 Class B; FCC Part15-B Class B, VCCI Class B,

– Safety standards: EN60950-1 certificate; UL60950-1, CSA60950-1,

– CE marking (low voltage directive) self-declared

– RoHS directive compliant

Open board type power supplies

Rosahl open board power supply

MembraneDimensionsModel
M-2J1R
M-3M1R
M-3J1R
MDL-3
50W x 105L x 21H @ 73g
BWS3.3SX-U1A
M-5J1R
MDL-5
50W x 125L x 22H @ 95g
BWM3.3SX-U1A
M-7J1R
MDL-7
56W x 133L x 26H @ 135g
BWT3.3SX-U1A
M-10J1R
56W x 195L x 31.6H @ 210g
BWB3.3SX-U1A
Optional cable harness
The cable harness includes input and output terminals with 400mm cables

Semi-enclosed Power Supplies

DSC_9981

MembraneDimensionsModel
M-2J1R
M-3M1R
M-3J1R
MDL-3
32 x 57 x 125 @ 175gBWS3.3SX-P-U1A
M-5J1R
MDL-5
32 x 57 x 145 @ 240gBWM3.3SX-P-U1A
M-7J1R
MDL-7
36 x 66 x 165 @310gBWT3,3SX-P-U1A
M-10J1R
41 x 65 x 225 @ 450gBWB3.3SX-P-U1A

Rosahl

micro-dehumidifier

micro-Entfeuchter

micro-déshumidificateur

micro-deshumidificador

 

Westside International Ltd

Registered in England

Registration No. 4018025

VAT No. 768327395

EIN 98-1234498