© Siemens Industry, Inc. 2012. All rights reserved.

New QR Molded Case Circuit Breaker

© Siemens Industry, Inc. 2012. All rights reserved

Features & Benefits

Catalog Number Structure

Applications

More Information

Contents

© Siemens Industry, Inc. 2012

© Siemens Industry, Inc. 2012. All rights reserved

Features & Benefits

Catalog Number Structure

Applications

More Information

Contents

© Siemens Industry, Inc. 2012

Low Voltage Distribution

© Siemens Industry, Inc. 2012

Features & Benefits

The New Siemens QR Circuit Breaker

•Replacement for the QJ breaker family•It is a form, fit and function replacement for the QJ breaker *

* Toggle handle moved to the center of 3-pole breaker

Low Voltage Distribution

© Siemens Industry, Inc. 2012

Features & Benefits

Page 5

Design Enhancements

• Trip Unit Ratings from 100A to 250A

• Field Installable internal accessories – Shunt trip, aux switch or shunt/aux combo

• Two accessory pockets in 3-pole breakers. One accessory pocket in 2-pole breakers

• High in-rush current capability (450%)

• Push-to-trip button

Low Voltage Distribution

© Siemens Industry, Inc. 2012

Features & Benefits

Catalog Number Structure

Applications

More Information

Contents

© Siemens Industry, Inc. 2012

Low Voltage Distribution

© Siemens Industry, Inc. 2012

QR Breaker Catalog Number Structure

QR2 Breaker -- 10KAIC @ 240VACAmpere 2 Pole 3 Pole 100 QR22B100 QR23B100125 QR22B125 QR23B125150 QR22B150 QR23B150175 QR22B175 QR23B175200 QR22B200 QR23B200225 QR22B225 QR23B225250 QR22B250 QR23B250

QRH2 Breaker -- 25KAIC @ 240VACAmpere 2 Pole 3 Pole 100 QRH22B100 QRH23B100125 QRH22B125 QRH23B125150 QRH22B150 QRH23B150175 QRH22B175 QRH23B175200 QRH22B200 QRH23B200225 QRH22B225 QRH23B225250 QRH22B250 QRH23B250

HQR2 Breaker -- 65KAIC @ 240VACAmpere 2 Pole 3 Pole 100 HQR22B100 HQR23B100125 HQR22B125 HQR23B125150 HQR22B150 HQR23B150175 HQR22B175 HQR23B175200 HQR22B200 HQR23B200225 HQR22B225 HQR23B225250 HQR22B250 HQR23B250

HQR2H Breaker -- 100KAIC @ 240VACAmpere 2 Pole 3 Pole 100 HQR22B100H HQR23B100H125 HQR22B125H HQR23B125H150 HQR22B150H HQR23B150H175 HQR22B175H HQR23B175H200 HQR22B200H HQR23B200H225 HQR22B225H HQR23B225H250 HQR22B250H HQR23B250H

* Load lugs standard. If both line and load side lugs are needed, add “L” to the end of the catalog number.

Low Voltage Distribution

© Siemens Industry, Inc. 2012

Features & Benefits

Catalog Number Structure

Applications

More Information

Contents

© Siemens Industry, Inc. 2012

Low Voltage Distribution

© Siemens Industry, Inc. 2012

Applications

•Same form-factor/mounting as QJ for easy retrofit•Field-installable internal accessories for reduced inventory, modularity, and speed•High in-rush capability for elevator applications•Stretch frame to 250A

•250A 60-Circuit panel potential (E-car charging)• 250A, 240V Panelboard capability – replace FD main

Low Voltage Distribution

© Siemens Industry, Inc. 2012

Features & Benefits

Catalog Number Structure

Applications

More Information

Contents

© Siemens Industry, Inc. 2012

Low Voltage Distribution

© Siemens Industry, Inc. 2012Page 11

More Information

Internal Accessories can be installed in the field in 3-pole as well as 2-pole QR breakers

Low Voltage Distribution

© Siemens Industry, Inc. 2012Page 12

More Information

Handle Blocking Device

Handle Padlocking Device

Slide Bar Interlocking Device

Low Voltage Distribution

© Siemens Industry, Inc. 2012Page 13

More Information

Aluminum Lugs (standard)

Copper Lugs (optional)

Compression Lugs (optional)

Low Voltage Distribution

© Siemens Industry, Inc. 2012Page 14

QR Enclosures

Available in multiple protection versions

QR2N1S - NEMA 1 Surface

QR2N1F - NEMA 1 Flush

QR2N3R - NEMA 3R

QR2N12 - NEMA 12

QR2N4X - NEMA 4X (304 Stainless Steel)

QR2N4X316 - NEMA 4X (316 Stainless Steel)

Low Voltage Distribution

© Siemens Industry, Inc. 2012Page 15

Thank you for your attention!

© Siemens Industry, Inc. 2012. All rights reserved.