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HOME ⊙ Siemens ⊙ SIEMIENS MCCB Series Short Circuit Rating Guide
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SIEMIENS MCCB Series Short Circuit Rating Guide

来源: | 作者:FAN | 发布时间 :2025-11-24 | 6 次浏览: | Share:

100000 models: LMG (2,3P), CMD6 (3P), LNG (2,3P)

Maximum current: 800A, 1200A, 1600A

Polarity: 2P/3P

Voltage: 480V Model: HFD6/HFXD6, JD6/JXD6, HLD6/HLXD6, ND6/NXD6

Polarity: 2P/3P

Current range: 70-250A, 200-400A, 400-600A, 500-800A, 800-1200A

Voltage: 480V Main Distribution for Large Chemical Industrial Parks, Metallurgical Plants, and Data Centers

150000 model: CJD6 (- A) (2,3P)

Maximum current: 400A

Polarity: 2P/3P

Voltage: 480V Model: HFD6/HFXD6, JXD6/JD6, HJD6/HJXD6

Polarity: 2P/3P

Current range: 70-250A, 200-400A

Voltage: 480V Extra Large Industrial Equipment, High Voltage Power Circuit

200000 model: CED6 (3P)

Maximum current: 125A

Polar number: 3P

Voltage: 480V Model: ED4/ED6, NGB/HGB/LGB

Polar number: 3P

Current range: 15-125A

Voltage: 277/480V critical infrastructure (such as hospitals, airports), industrial emergency support circuits

3.2.2 Series combination of fuses (pages 93-95)

Series rated value (A) Main fuse core information Branch circuit breaker core information Applicable scenarios

50000 model: J (1,2,3P)

Maximum current: 400A

Polarity: 1P/2P/3P

Voltage: 480V Model: ED4

Polarity: 1P/2P/3P

Current range: 15-100A

Voltage: 277V, 480V for industrial auxiliary circuits and large-scale air conditioning systems in commercial buildings

100000 models: T/J/R (2,3P), L (2,3P)

Maximum current: 600A, 1200A

Polarity: 2P/3P

Voltage: 480V Model: FXD6/FD6, NDGA/NDGB, NJGA/NJJA, LD6/LXD6

3.3 600V level

600V is the high voltage industrial application level, and the equipment needs to withstand higher insulation requirements. The upper limit of the series rated value is relatively low, focusing on high voltage industrial scenarios.

3.3.1 Series combination of circuit breakers

Series rated value (A) Main circuit breaker core information Branch circuit breaker core information Applicable scenarios

14000 model: NGB2 (2,3P)

Maximum current: 125A

Polarity: 2P/3P

Voltage: 347/600V Model: BQD6

Polarity: 1P/2P/3P

Current range: 15-70A

Voltage: 347V, 347/600V High Voltage Small Equipment (such as High Voltage Pumps, Fans), Industrial Auxiliary High Voltage Circuits

18000 models: ED6/HED6 (1,2,3P), ED6 (2,3P)

Maximum current: 125A

Polarity: 1P/2P/3P

Voltage: 347/600V, 600V Model: BQD6, NGB/NGB2

Polarity: 1P/2P/3P

Current range: 15-70A, 15-125A

Voltage: 347V, 347/600V, 600V Industrial High Voltage Motor Control, High Voltage Production Line Auxiliary Circuit

22000 model: HGB2 (2,3P), LGB2 (2,3P)

Maximum current: 125A, 250A

Polarity: 2P/3P

Voltage: 347/600V Model: BQD6, NGB/NGB2

Polarity: 1P/2P/3P

Current range: 15-70A, 15-125A

Voltage: 347V, 347/600V for medium high voltage industrial equipment and chemical high voltage circuits

25000 model: HFD6/HFXD6 (2,3P)

Maximum current: 250A

Polarity: 2P/3P

Voltage: 347/600V, 600V Model: BQD6, ED6/HED6, NGB/NGB2/HG22

Polarity: 1P/2P/3P

Current range: 15-70A, 15-125A

Voltage: 347V, 347/600V, 600V High Voltage Industrial Production Line, Heavy Machinery High Voltage Power Circuit

35000 models: HJD6 (- A)/HJXD6 (- A) (2,3P), HLD6 (- A)/HLXD6 (- A) (2,3P)

Maximum current: 400A, 600A

Polarity: 2P/3P

Voltage: 600V Model: HFD6, NJGA/NJJA, LD6 (- A)/HLD6 (- A)

Polarity: 2P/3P

Current range: 70-250A, 200-400A, 200-600A, 450-600A

Voltage: 600V for large high-voltage industrial equipment (such as high-voltage compressors and generators) and high-voltage distribution in chemical industrial parks

50000 models: HMD6/HMXD6 (2,3P), HND6/HNXD6 (2,3P)

Maximum current: 800A, 1200A

Polarity: 2P/3P

Voltage: 600V Model: HFD6, JD6 (- A)/JXD6 (- A), LD6 (- A)/HLD6 (- A)

Polarity: 2P/3P

Current range: 70A, 200-400A, 200-600A, 450-600A

Voltage: 600V Heavy Industry High Voltage Main Distribution, Power Plant Auxiliary High Voltage Circuit

65000 models: CFD6 (2,3P), CMD6 (2,3P), CND6 (2,3P), CPD6 (2,3P)

Maximum current: 250A, 800A, 1200A, 1600A

Polarity: 2P/3P

Voltage: 600V Model: BQD6, ED6/HED6, HFD6, JD6 (- A)/JXD6 (- A)

Polarity: 2P/3P

Current range: 15-70A, 15-125A, 70-250A, 200-400A

Voltage: 347/600V, 600V High Voltage Circuit for Large Chemical Enterprises and Metallurgical Factories

100000 models: CED6 (2,3P), CFD6 (2,3P)

Maximum current: 125A, 250A

Polarity: 2P/3P

Voltage: 347/600V, 600V Model: BQD6, ED6/HED6, HFD6, NGB/NGB2/HG22/LG22

Polarity: 1P/2P/3P

Current range: 15-70A, 15-125A, 70-250A

Voltage: 347V, 347/600V, 600V Key high-voltage infrastructure (such as high-voltage data centers, large hospital high-voltage systems)

3.3.2 Series combination of fuses

Series rated value (A) Main fuse core information Branch circuit breaker core information Applicable scenarios

100000 model: J/R/T (2,3P)

Maximum current: 600A

Polarity: 2P/3P

Voltage: 600V Model: JD6 (- A)/JXD6 (- A), HJD6 (- A)/HJXD6 (- A), LD6 (- A)/HLD6 (- A)

Polarity: 2P/3P

Current range: 200-400A, 200-600A, 450-600A

Voltage: 600V High Voltage Industrial Plant, Heavy Machinery High Voltage Circuit

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Analysis of Equipment Model System and Key Parameters

4.1 Classification and Characteristics of Main Equipment Models

4.1.1 Circuit Breaker Series

QP/BQ/BL series: Basic plastic case circuit breaker, suitable for 240V low voltage scenarios, current range 15-125A, pole number 1P/2P/3P, voltage adaptation 120V/240V/120/240V, is the main model for civilian and small commercial use.

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