CHINT NXA Brochure

Data Center Solutions Leaflet

NXA Series Air Circuit Breaker

Smarter . Saf NXA

FUTURE READY Smart Connectivity (1) at Your Fingertips

• Seamless integration with digital platforms. • Monitor, control, and optimize power usage anytime, anywhere with built- in communication capabilities.

(1) Type H

• Proactively safeguard your system • Stay ahead of potential breakdown with continuous health monitoring, ensuring minimal downtime. BUILT-IN INTELLIGENCE Self-Diagnostics for Predictive Maintenance

• One breaker, full protection. • NXA ACB comes default with LSIG protection, shielding against overloads, short circuits, and earth faults for total system reliability. TOTAL PROTECTION Built-In Safety, Zero Compromise

A ACB

fer . Stronger

EVENT LOG Instant Trip Records, Instant Insights

• Know what happened, when it happened. • Detailed event logging helps diagnose faults quickly for faster recovery and analysis of tripping event.

• Hassle-free, no external power supply unit required. • Direct AC connection translates to faster installation, lower costs, and effortless operation. PLUG & PLAY 100% AC Direct, No DC Needed

PREMIUM FEATURES Enhanced Protection with No Add-ons

• Complete functionality, built-in by design. • Advanced supervision and diagnostic capabilities — fully integrated with no extra accessories or hidden costs.

TRIP UNITS

Our advanced trip units integrate seamlessly into digitalized systems, offering precise protection, real-time monitoring, and built-in diagnostics. Designed for M&E consultants and facilities managers, they enable smarter, data-driven decisions, streamline maintenance, and enhance system performance — all without the need for any additional hardware.

Advanced Protection Functions

Extended Functions

Metering Functions

LSI & G

P Type H Type

√

Total protection (LSI&G):

Advanced protection functions:

Extended functions:

• Current • Voltage • Frequency • Load monitoring • Power (active, reactive, apparent) • Energy (active, reactive, apparent) • Power factor

L – Long-time S – Short-time

• Self-diagnosis • Real-time clock

• Voltage unbalance • Overvoltage and undervoltage • Over-frequency and under-frequency • Phase sequence • Reverse power • Load shedding • Current unbalance • Bus-bar terminal temperature alarm*

I – Instantaneous G – Ground fault

• Integrated trip test button • Contact wear indication • Tri-colour LCD display • Bus-bar terminal temperature monitoring*

*PH/HT type trip unit with optional bus-bar terminal temperature measurement function.

Communication Function

Input / Output Function

Harmonic Analysis Function

Events Recording

ZSI

√

2DI & 2DO or 4DO • Up to 31 st order • THDi • THDv

Zone Selective Interlocking

Modbus RTU

• Operations counter • Up to10 switching records • Up to 10 trip records • Up to 10 alarm histories

TECHNICAL PARAMETERS NXA Air Circuit Breaker

Frame Size

1600A

Rated current (A)

400 630 800 1000 1250 1600

Rated current of the fourth pole (A)

400 630 800 1000 1250 1600

Number of poles

3 and 4

Type of the Circuit Breaker

Rated ultimate short circuit breaking capacity (kA rms) VAC 50/60Hz Rated service breaking capacity (kA rms) VAC 50/60Hz

Icu

380/400/415V 440/525/690V 380/400/415V 440/525/690V 380/400/415V 440/525/690V 380/400/415V 440/525/690V 380/400/415V 440/525/690V

50 30 42 30

42 36 42 36 42 36 25 -

50 36 50 36 42 36 25 -

Ics

Utilization category

Rated short-time withstand current (kA rms) VAC 50/60Hz

Icw 1s

42 30 20 -

Icw 3s

Rated making capacity (kA) VAC 50/60Hz

Icm

105 63

88.2 75.6

105 75.6

Making current tripping protection function (MCR kA ms)

Breaking time (ms)

Closing time (ms)

Installation, Connection and Service Life Service life C/O cycle

Mechanical With

30000

maintenance Without maintenance Without maintenance

15000

Electrical

8000

Connection

Horizontal

•

Dimensions (Width x Depth x Height) in mm

Fixed type 3P

254 x 243.5 x 318.5

354 x 243.5 x 318.5

Draw-out type

308 x 331.5 x 351

378 x 331.5 x 351

Number of poles

3 and 4*

Rated operational voltage (v)

690

Rated insulation voltage (v)

1000

Rated Impulse withstand voltage (kV)

Uimp

Suitability for isolation

Yes

IEC/EN 60947-2

Degree of pollution

IEC 60664-1

*6300A available in 3P only.

2000A

3200A

4000A

6300A

630 800 1000 1250 1600 2000 1600 2000 2500 3200 3200 3600 4000 4000 5000 6300

630 800 1000 1250 1600 2000 1600 2000 2500 3200 3200 3600 4000 2000 2500 -

3 and 4

N S H

N S H H

80 50 50 50

65 55 65 55 65 55 42 -

80 55 65 55 65 55 42 -

80 65 80 65

80 70 80 70 80 70 50 -

100 70

80 65 80 65

85 75 85 75 85 75 50 -

100 75

120 85 120 85

85 70

85 75

50 50 37 -

65 65 37 -

85 70 50 -

65 65 37 -

86 75 50 -

100 75

- -

176 105

143 121

176 121

176 143

176 154

220 154

176 143

187 165

220 165

264 187

26 26 26

26 26 26 26

30000

20000

10000

15000

10000

2000

8000

7000

3000

500

•

374 x 344 x 400

439 x 373.5 x 400

550 x 337.5 x 400

897 x 435.5 x 399

469 x 344 x 400

554 x 373.5 x 400

700 x 337. 5 x 400

897 x 435.5 x 399

403 x 430 x 435.5

463 x 499.5 x 435.5

569 x 416 x 435.5

923 x 500 x 435.5

498 x 430 x 435.5

578 x 499.5 x 435.5

719 x 416 x 435.5

923 x 500 x 435.5

Asia Pacific

Australia CHINT Australia Pty Ltd Address: 3/20 Cliff Street Milsons Point New South Wales 2061 Tel: +61 433 089 299 Email: info.australia@CHINT.com Web: www.CHINTGlobal.com.au Cambodia CHINT (Cambodia) Power Equipment Co., Ltd Address: #39, Street 337, Borey Sunway City, Village 1, Sangkat Boeng Kok 2, Khan Tuol Kork, Phnom Penh, Cambodia Tel: +855 23 231 077 Email: info-cambodia@CHINTGlobal.com Web: www.CHINTGlobal.com SchneiTec CHINT Co., Ltd Address: Ansor Kdam Village, Sna Ansa Commune, Krakor District, Pursat Province, Cambodia Tel: +855 09 5353 268 Email: Liubin@SchneiTec-CHINT.com.kh / Info@SchneiTec-CHINT.com.kh Web: www.SchneiTec-CHINT.com.kh India CHINT India Energy Solution Private Limited Address: Noida Discovery Tower Plot No A-17, Ground Floor, Sector – 62 Noida – 201309 Bangalore APAC HQ | Singapore CHINT Global International Pte Ltd Address: 8 Kallang Avenue, #04-06/09 Aperia Office Tower 1, Singapore 339509 Tel: +65 6329 3110 Fax: +65 6329 3159 Email: Sales.APAC@CHINT.com Web: www.CHINTGlobal.com

Indonesia PT. CHINT Indonesia Address: Gold Coast Office, Eiffel Tower, Jl. Pantai Indah Kapuk,

RT.7/RW.2, Kamal Muara, Kec. Penjaringan, Jkt Utara, Daerah Khusus Ibukota Jakarta 14470, Indonesia

Tel:

+62 21 5436 3000

Email:

Sales@CHINT-Indonesia.com www.CHINT-Indonesia.com

Web:

Malaysia Alpha Automation (Selangor) Sdn. Bhd. Address: No. 11, Temasya 18, Jalan Pelukis U1/46B, Seksyen U1, 40150 Shah Alam, Selangor, Malaysia Tel: +603-5569 7787 Fax: +603-5569 9295 Email: CHINTMalaysia@AlphaSel.com Web: www.AlphaSel.com Philippines CHINT Electric Co., Ltd Address: Unit 201, Taipan Place, F. Ortigas Jr. Road, Ortigas Center, Pasig City, Metro Manila, Philippines Tel: +63 (02) 836 53068 Email: chintph@CHINTGlobal.com Web: www.CHINTGlobal.com Thailand CHINT Electric Thailand Co., Ltd. Address: 66 Tower, No. 2556, Sukhumvit Road, Bang Na District, Bangkok 10260, Thailand Tel: +86 17851901128 Email: jzliang@chint.com Web: www.CHINTGlobal.com Vietnam CHINT Vietnam Holding Co., Ltd Address: Ho Chi Minh Cit y Level 18, Sonatus Building, 15 Le Thanh Ton, Ben Nghe Ward, District 1, Ho Chi Minh City, Vietnam Hanoi Level 23, Lotte Center Hanoi, 54 Lieu Giai, District Ba Dinh, Hanoi, Vietnam Tel: +84 0283 8270 015 Email: Marketing.VN@CHINTGlobal.com Web: www.CHINTGlobal.vn

Building No. 35, First Floor, 28th Cross Road, 9th Main, Industrial Layout, Banashankari 2nd Stage, Bangalore, Karnataka – 560070

Tel:

+91 1202 9750 57

Email:

Marketing@CHINT.co.in

Web:

www.CHINT.co.in

CHINT GLOBAL INTERNATIONAL PTE LTD 8 Kallang Avenue, #04-06/09, Aperia Tower 1, Singapore 339509

Tel : +65 6329 3110 Email : Sales.APAC@CHINT.com Web : www.CHINTGlobal.com

AP001826-042025

Printed by CHINT Global. No part of this brochure shall be used or reproduced in any form without written permission by CHINT Global. CHINT is the only publisher and editor for the content.

Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8