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The ASKM1 Thermal-Magnetic Molded Case Circuit Breaker (MCCB) is a cutting-edge electrical protection device developed by Aisikai using globally advanced technology. Engineered for reliability and versatility, it operates in AC 50/60Hz environments with a rated voltage of 690V and below and a rated current range of 10A to 1600A.
This MCCB serves dual purposes: distributing electrical power efficiently and safeguarding circuits and equipment from critical faults, including overload, short circuit, and under-voltage. Additionally, it supports infrequent line switching and motor starting. A standout feature is its full-series isolation capability, ensuring safe operation during maintenance or emergencies. Its design prioritizes compactness, making it suitable for installations where space is limited, without compromising performance.
The ASKM1 MCCB combines innovative engineering with practical benefits, making it a top choice for diverse power distribution systems.
· Compact Design: Its small volume allows flexible installation in tight spaces, ideal for modern electrical cabinets and distribution panels.
· High Breaking Capacity: With ultimate short-circuit breaking capacity (Icu) reaching up to 100kA at AC400V (varies by model), it effectively interrupts high-current faults to prevent equipment damage.
· Minimal Arc Risk: Features a short flying arc (≤50mm for lower frame models, ≤100mm for higher frame models), reducing fire hazards and enhancing operational safety.
· Vibration Resistance: Built to withstand mechanical vibrations, ensuring stable performance in harsh environments like industrial workshops or mining sites.
· Reliable & Easy to Install: Its rational internal structure guarantees consistent performance, while simplified mounting procedures (including on-line installation) save time during setup.
· Versatile Accessories: A wide range of optional components allows customization to meet specific requirements of different power distribution systems, improving adaptability.
The ASKM1 Thermal-Magnetic MCCB is designed for broad use across various sectors, thanks to its robust protection and flexible operation.
· Industrial Power Distribution: Protects machinery, production lines, and electrical networks in factories from overloads and short circuits.
· Commercial Buildings: Ensures safe power distribution in offices, shopping malls, and hospitals, where reliable electrical supply is critical.
· Infrastructure Projects: Used in construction sites, data centers, and mining operations, where durability and resistance to harsh conditions are essential.
· Motor Control: Facilitates infrequent starting of motors in pumps, compressors, and other industrial equipment, extending motor lifespan.
· Renewable Energy Systems: Compatible with low-voltage setups in solar or wind power facilities, supporting stable energy distribution.
It meets international and national standards, including GB14048.2 and IEC60947.2, ensuring quality and safety across global markets.
Yes, it offers flexible mounting options, including on-line installation, to fit various electrical system layouts.
· Electrical Service Life: Up to 8,000 operations at AC400V/415V (varies by model), and 1,500 operations at AC660V/690V.
· Mechanical Service Life: Up to 40,000 operations with maintenance, and 20,000 operations without maintenance, ensuring long-term reliability.
Absolutely. Its vibration-resistant design makes it suitable for settings like manufacturing plants, mining sites, and transportation infrastructure.
FRAME
WIRING METHOD
OPERATION METHOD
APPLICABLE STANDARDS
GB14048.2、IEC60947.2
TECHNICAL DATASHEET OFASKM1 THERMOMAGNETICNORMAL PROTECTION MOLDED CASE CIRCUIT BREAKER
| Model | ASKM1-63 | ASKM1-125 | ASKM1-250 | ASKM1-400 | ASKM1-630 | ASKM1-800 | ASKM1-1600 | ||||||||||||||
| Frame rating current Inm(A) | 63 | 125 | 250 | 400 | 630 | 800 | 1600 | ||||||||||||||
| No.of poles | 3P/4P | 3P/4P | 3P/4P | 3P/4P | 3P/4P | 3P/4P | 3P/4P | ||||||||||||||
| Rated current In(A) | 10 16 20 25 32 40 50 63 | 16 20 25 32 40 50 63 80 100 125 | 100 125 140 160 180 200 225 250 | 225 250 315 350 400 | 400 500 630 | 630 700 800 | 800 1000 1250 1600 | ||||||||||||||
| Rated insulation voltage Ui(V) | 1000V | ||||||||||||||||||||
| Rated impulse withstand voltage Uimp(V) | 12000V | ||||||||||||||||||||
| Rated operational voltage Ue(V) | AC400V/415V AC660V/690V | ||||||||||||||||||||
| Arc distance(mm) | ≯50(0)** | ≯50(0)** | ≯50(0)** | ≯100(0)** | ≯100(0)** | ≯100(0)** | ≯100(0)** | ||||||||||||||
| Breaking capacity level | L | M | H | L | M | H | L | M | H | L | M | H | L | M | H | M | H | L | M | H | |
| Ultimate short-circuit breaking capacity Icu(kA) | AC400V | 25 | 35 | 50 | 35 | 50 | 65 | 35 | 50 | 65 | 50 | 65 | 100 | 50 | 75 | 100 | 85 | 100 | 85 | 85 | 85 |
| Service short-circuit breaking capacity Ics(kA) | AC400V | 18 | 22 | 35 | 22 | 35 | 50 | 25 | 35 | 50 | 35 | 50 | 65 | 35 | 65 | 75 | 75 | 85 | 65 | 65 65 | |
| Use category | A | A | A | A | A | A | A | ||||||||||||||
| Electrical service life(times of operation) | AC400V/415V | 8000 | 8000 | 8000 | 7500 | 7500 | 7500 | 5000 | |||||||||||||
| AC660V/690V | 1500 | 1500 | 1000 | 1000 | 1000 | 500 | 500 | ||||||||||||||
| Mechanical service life(times of operation) | without maintenance | 20000 | 20000 | 20000 | 10000 | 10000 | 10000 | 8000 | |||||||||||||
| with maintenance | 40000 | 40000 | 40000 | 20000 | 20000 | 20000 | 16000 | ||||||||||||||
| Outline dimensions (mm) | W(3P/4P) | 78/101 | 92/122 | 107/142 | 150/198 | 182/240 | 210/280 | 210/330 | |||||||||||||
| L | 130 | 150 | 165 | 257 | 270 | 280 | 280 | ||||||||||||||
| H(includinghandle) | 90 | 88 | 112 | 155 | 160 | 160 | 197.5 | ||||||||||||||
