Specifications common to all scr bus supplies – Rockwell Automation 20G PowerFlex SCR Bus Supply User Manual

Page 44

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Specifications

PowerFlex SCR Bus Supply User Manual
Publication 20S-UM001G-EN-P

Specifications Common to All SCR Bus Supplies

Category

Specification

Input/Output
Ratings

Voltage Tolerance:

–10% of minimum, +10% of maximum

Frequency Tolerance:

47…63 Hz.

Displacement Power Factor:

0.92 lagging (entire load range)

Efficiency:

99.5% at rated amps, nominal line volts

Line Transients:

Up to 6000 volts peak per IEEE C62.41-1991

Max. Short Circuit Current Rating:

85 kA

Cooling

Forced ventilation cooled by tangential blower below heat sink

Blower Power Consumption:
Cooling Air:

200 VA
600 m

3

/hr.

Control Input

Enable Contactor Coil:

Single Phase 115V AC, 30 VA (pick-up), 4.5 VA (hold)

Blower Current Consumption:

Single Phase 115V AC,

50/60 Hz, 1 A

Control
Output

Heat Sink Temperature Sensor:

The temperature sensor trips if heat sink temperature exceeds
maximum temperature.

NC Contact Output Rating (Max.):

Resistive Rating: 15A at 125V AC, 10A at 250V AC,

7A at 24V DC

Inductive Rating: 10A at 125V AC, 6A at 250V AC

Fuse Trip Indication
Microswitches F1…F5 (400A & 600A)
Microswitches F1…F6 (1000A)
NC Contact Output Rating (Max.):

Resistive Rating: 10A at 30…250V AC, 8A at 30V DC
Inductive Rating: L/R = 25 ms, 10A at 30…250V AC

Fuse Trip Indication
Microswitches F6…F8 (400A & 600A)
Microswitches F7…F11 (1000A)
NC Contact Output Rating (Max.):

Resistive Rating: 10A at 30…250V AC, 8A at 30V DC
Inductive Rating: L/R = 25 ms, 10A at 30…250V AC

Enable Contactor K1,
NC Contact Output Rating (Max.):

Resistive Rating: 10A at 24…230V AC, 3A at 30V DC
Inductive Rating: 2.2A at 24…230V AC

Approvals and
Standards
Compliance

NFPA 70

- US National Electrical Code

NEMA ICS 3.1

- Safety standards for Construction and Guide for Selection, Installation and Operation

of Adjustable Speed Drive Systems.

NEMA 250

- Enclosures for Electrical Equipment

IEC 146

- International Electrical Code.

UL and cUL Listed to UL508C and
CAN/CSA-C22.2

Marked for all applicable European Directives:
• EMC Directive (89/336/EEC)
• Emissions: EN 61800-3 Adjustable Speed electrical power

drive systems Part 3

• Immunity: EN 61800-3 Second Environment, Restricted

Distribution

• Low Voltage Directive (73/23/EEC)
• EN 50178 Electronic Equipment for Use in Power

Installations

Environment

Altitude:

1000 m (3300 ft.) max. without derating. Above 1000 m, the
derating for the output current is 1% per 100 m (330 ft.).

Ambient Operating Temperature
without Derating -
Open Type / IP00:

0…40 °C (32…104 °F); above 40 °C up to 50 °C (122 °F)
maximum temperature, the output Amps must be derated by:

1.2% per °C (2.2% per °F) for 400A unit
1.0% per °C (1.8% per °F) for 600A unit
1.0% per °C (1.8% per °F) for 1000A unit

Storage Temperature (all const.):

–40…70 °C (–40…158 °F)

Relative Humidity:

5…95% non-condensing

U

c

US

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