Chapter 8, Specifications, Ch 8 - specifications – Rockwell Automation 1608M MegaDySC User Manual, 800 - 2400 A User Manual

Page 41: Chapter

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Rockwell Automation Publication 1608M-UM002A-EN-P - September 2013

41

Chapter

8

Specifications

Table 8 - Typical Technical Specifications 800-2400 A MegaDySC

Electrical Input/Output (Normal Mode—Static Switch)

Connection Configuration

Series-connected with load. Under normal line condition, the static switch passes utility voltage directly to the load

Rated Input Voltage

3-Phase: 380, 400, 415, 460, 480V

1

Voltage Range

±10%

Static Bypass Current

100% rated rms current continuous, 150%-400% @ 5 sec., 400%-600% @ 0.5 sec., 600% @ 0.1s

Frequency

50/60 Hz Auto Sensing

Frequency Range (tracking)

45 to 65 Hz

TVSS

Output SPD, 80kA/mode. Protects L-L & L-G on all models; L-N & N-G (4-wire models)

Efficiency

> 99%

System Short Circuit Current Rating (SCCR)

65kA (800A, 1200A models), 85kA (1600A, 2000A models), 100kA (2400A models)

Phase (wiring)

3 phases+Ground (3-wire models) or 3 phases+Neutral+Ground (4-wire models)

Electrical Output (Sag Correction Mode—Inverter)

Sag Detection Voltage

88.5% of rated voltage

Response Time (typical)

0.7 ms detection, 1.2 ms inverter reaction (<2ms)

Output Voltage

Pre-sag rms voltage

Voltage Regulation

±5% typical, +5% / -13% of nominal max

Output Current

rated current, rms amperes

2

Crest Factor (at rated load)

1.45

Load

Power factor -0.5 to +0.9. Not rated for DC loads; max. allowable 2% DC loading

Voltage Waveform

Sine wave

Voltage Sag Correction Times

Single Event

3 phase 87% to 50% voltage remaining

5 seconds

All three phases to zero voltage remaining

50ms (SR) or 200ms (ER). Based on nameplate ratings with a power factor of 0.7

Multiple Events

Max Sag Correction Time

5 seconds cumulative usage

Sequential Sag Recovery

0 seconds (assuming cumulative run-time available)

Full Recovery Time

Max. 5 minutes

Mechanical

Enclosure Ratings

NEMA 1 (IP20)

Cable Entry

Top or Bottom of Switchboard section

Cooling

Filtered Forced air, controlled

Access

Front for servicing. Rear access required for bottom entry installation.

Environmental

Ambient Temperature

0 to 40°C (32°F to 104°F)

Storage Temperature

-40°C to 75°C (-40°F to 167°F)

Relative Humidity

0 to 95% non-condensing

Altitude

Rated current available to 1000m (3300ft). De-rate output current 10% per 1000m, from 1000m to 3000m (9900ft).

Audible Noise

< 70dBA at 1 meter

Safety and Compliance

Agency Approvals

cULus Listed (UL 1012)

Standards Compliance

Exceeds SEMI F47 Standard; IEEE Std C62.41.1 and UL 1449 3rd Ed. Compliant

1. MegaDySC has not been evaluated for use in Corner Grounded or Ungrounded Delta Power Systems in systems rated over 240V.

2. When using MegaDySC with motor drive loads, either insert 3% to 5% line reactance at MegaDySC output or limit motor drive loads to 60% of MegaDySC rating

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