Introduction

The MagnumE DS product line has the smallest ANSI/ULT 4000A frame available on the market today, enabling smaller enclosures for decreased footprint. It is over 8 inches less in width than the current Magnum 4000A frame.

Applications

The new 26-inch wide Magnum 4000A narrow breaker meets application needs for UL 1066 switchgear and switchboard applications and IEC 60947-2 control and switchgear applications.

The design and configuration of the new Magnum 4000A narrow frame enables OEMs to use easier to handle bus sizes for standard 4000A applications.

Features and benefits

The new 4000A narrow frame offers the technology and innova-tion of Eaton’s Magnum Series in a new compact size and weight. • The new 4000A narrow frame

is over 8 inches smaller in width than the current Magnum 4000A narrow

• DigitripE trip unit technology featuring Zone Selective Interlocking and Arcflash Reduction Maintenance SystemE technology

Low Voltage Power Circuit Breakers 4000A Narrow

Eaton’s new 4000A narrow frame power and air circuit breaker

• Internationally approved factory-installed and field-installable accessories with four auxiliary switches available

• Communications with transla-tors to common protocols, such as INCOME, ModbusT and PROFIBUST

Eaton's most compact 4000A narrow breaker is designed to provide excellent safety with a high level of performance in a size that meets the switchgear and switchboard needs for a global market.

26.25(666.8)

18.96(481.6)

16.18(410.9)

Eaton CorporationElectrical Sector1000 Cherrington ParkwayMoon Township, PA 15108United States877-ETN-CARE (877-386-2273)Eaton.com

© 2011 Eaton CorporationAll Rights ReservedPrinted in USAPublication No. PA01301020E / Z10809February 2011

PowerChain Management is a registered trademark of Eaton Corporation.

All other trademarks are property of their respective owners.

Magnum 4000A Narrow Frame Drawout Air Circuit Breaker

3.75(95.3)

5.00(127.0)

10.10(256.5)

1.20(30.5)

13.38(339.9)

10.31(261.9) 16.46

(418.1)

15.50(393.7)

25.00(635.0)

24.90(632.5)

15.38(390.6)

13.75(349.3)

0.88(22.4)

4.61(117.1)

4.55(115.6)

Top View Front View Side View

Magnum Air Circuit Breaker 4000A Narrow Frame Cassette

1 Thickness of stab.

26.25(666.8) 12.45

(316.2)

20.48(520.2)

18.96(481.6)

6.34 (161.0)

3.75(95.3)

5.00(127.0)

8.47 (215.1)

9.72(246.9)

0.35(8.9)

7.38(187.5)

5.69(144.5)

7.38(187.5)

1.93(49.0)

0.53(13.5)

0.75(19.1)

18.71(475.2)

18.05(458.5)

1.79(45.5)

15.52 (394.2)

9.31(236.5)

4.86(123.4) 0.75

(19.1)0.75

(19.1)

0.95(24.1)

16.18(411.0)

1.75(44.5)

6.93(176.0)

11.59(294.4)

3.75(95.3)

11.33(287.8)

Front View Top View Side View

1

1

Note: Dimensions in inches (mm). All dimensions are for reference only. Visit www.eaton.com for 3D CAD blocks and more dimensional drawings.

Ratings for Magnum 4000A Narrow Frame

ANSI/UL 1066 Ratings at 508 Vac Ratings at 635 Vac

Breaker Type

Interrupting Rating kAIC

Short-Time Withstand Rating kAIC

Interrupting Rating kAIC

Short-Time Withstand Rating kAIC

MDN640 65 65 65 65MDN840 85 85 65 65MDNC40 100 100 65 65

IEC 60947-2 Ratings at 440 Vac Ratings at 690 Vac

Breaker Type

Interrupting Rating kAIC

Short-Time Withstand Rating kAIC—1 Second

Interrupting Rating kAIC

Short-Time Withstand Rating kAIC—1 Second

MWN640 66 66 66 66MWN840 85 85 66 66MWNC40 105 105 66 66