Installations Instructions

PST23 Rev. 04

Page 8 of 9

www.powersystemtechnology.com

These converters are components, intended exclusively for integration into

other equipment by an industrial assembly process or by a professionnaly

competent person. Installation must strictly follow the safety regulations

in respect of the enclosure, mounting, creepage and clearance distances,

markings of the end-use application.

Connection to the system shall be made via the female connector FAST ON.

The +Vin is internally fused. This fuse is designed to protect the converter

against overcurrent caused by a failure, but may not be able to satisfy all

requirements. External fuses in the wiring circuit to one or both input pins may

be necessary to ensure compliance with local requirements.

Do not open the converters, or the warranty will be invalidated. Make sure that

there is sufficient heat dissipation available for conduction cooling. This should

be verified by measuring the case of temperature at the specified measuring

point, when the converter is operated in the end-use application.

Cleaning Agents and Process

The converters are not hermetically sealed. In order to avoid possible damage,

any penetration of liquids shall be avoided.

Railway Application

The converters have been designed observing the railway standards EN 50155

and EN 50121. All boards can be protected by a conformal coating as an option

( -V).

Isolation

The electric strength test is performed in the factory in accordance with IEC/EN

60950.

Standards and Approvals

The converters are built to meet the safety standards IEC 60950-1, EN 60950-1,

UL 60950-1 and CSA 60950-1.

Electric Strength

Design strength

1500

3000

500

Vrms

> 100

>100

Mohms

Insulation resistance

Characteristic

Output to

Output

Unit

Electric

strength

Factory test for production

units (>10s)

2000

2000

500

Vdc

Input to Earth

Input to

Output

Output to

Earth

Temperatures

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Reliability

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