Safety requirements – Nor-Cal SDC15 Controller User Manual

Page 3

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To reduce risk of electric shock which could cause personal injury, follow all safety
notices in this documentation.

This symbol warns the user of a potential shock hazard where hazardous live voltages
may be accessible.

If the equipment is used in a manner not specified by the manufacturer, the protection

provided by the equipment must be impaired.

Do not replace any component (or part) not explicitly specified as replaceable by your
supplier.

All wiring must be in accordance with local norms and carried out by authorized and
experienced personnel.

A switch in the main supply is required near the equipment.

Main power supply wiring requires a (T) 200mA, 250V fuse(s) (IEC 127).

EQUIPMENT RATINGS
Supply voltages:

100 to 240V (operating power supply voltage 85 to 264Vac)

Frequency:

50/60Hz

Power consumption:

12VA maximum

EQUIPMENT CONDITIONS
Do not operate the instrument in the presence of flammable liquids or vapors.
Operation of any electrical instrument in such an environment constitutes a safety hazard.
Temperature:

0 to 50˚C

Humidity:

10 to 90%RH (no condensation)

Vibration:

2m/s

2

(10 to 60Hz)

Over-voltage category:

Category II (IEC60364-4-443, EN664-1)

Pollution degree:

Pollution degree 2

EQUIPMENT INSTALLATION
The controller must be mounted into a panel to limit operator access to the rear terminal.
Specifications of common mode voltage: The common mode voltages of all I/O except for main
supply and relay outputs are less than 33Vrms, 46.7V peak and 70Vdc.

APPLICABLE STANDARDS
EN61010-1, EN61326

SAFETY REQUIREMENTS

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