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Rockwell Automation AK DBU - Dynamic Braking Unit 600/690 VAC User Manual

Page 28

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Specifications

Approvals and Standards Compliance
The DBU is designed to meet the following specifications:
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.

IEC 146

- International Electrical Code.

UL and cUL Listed to UL508C

and CAN/CSA-C2.2 No. 14-M91
(600V AC only)
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, Category C3

Low Voltage Directive (73/23/EEC)
EN 50178 Electronic Equipment for use

in Power Installations

Environmental Specifications
Altitude:

1000 m (3300 ft.) max. without derating.

Above 1000 m the derating for the

nominal current is 1% per 100 m

(330 ft.).

Degree of protection

Open / IP00

Ambient Operating Temperature

without derating:

0 to 40°C (32 to 104°F)
For temperatures higher than 40°C up to

max 55°C (131°F), the max. peak

braking current must be derated by 1.5%

per °C (0.8% per °F)

Storage Temperature:

–25 to 55°C (–25 to 131°F)

Transportation Temperature:

–25 to 70°C (–25 to 158°F)

(70°C max 24 hours)

Relative Humidity:

5 to 95% non-condensing

Shock:

15G peak for 11ms duration (

±1.0 ms)

Vibration:

0.152 mm (0.006 in.) displacement,

1G peak

Specifications

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