Chapter 8, Specifications, Table 12 - technical specifications 800a megadysc – Rockwell Automation 1608M MegaDySC User Manual, 800 Amp - 208V User Manual

Page 51: Chapter

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Rockwell Automation Publication 1608M-UM003A-EN-P - December 2013

51

Chapter

8

Specifications

Table 12 - Technical Specifications 800A 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

Standard Input Voltage DySC

3-Phase: 208V

Voltage Range

±10%

Static Bypass Current

800A-rms continuous, 110%-150% @ 60 sec., 150%-300% @ 5 sec., 300%-400% @ 0.5 sec., 400%-600% @ 0.05 sec.”

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

> 98.5%

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

800A-rms

1

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 400ms (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 of Switchboard section

Cooling

Filtered Forced air

Access

Front for servicing. Left or Rear access for 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. 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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