ABB ACB Switchgear
ABB Air Circuit Breakers (ACBs) are designed to provide reliable and safe protection for electrical power systems in industrial, commercial, and infrastructure applications. With advanced breaking technology, modular design, and smart control features, ABB ACBs ensure protection, control, and monitoring of high-current electrical circuits.
Categories:
ABB SwitchgearKey Features
- High Breaking Capacity – Interrupts fault currents up to several tens of kA for robust protection.
- Modular Design – Flexible configuration with plug-in units, auxiliary contacts, and communication modules.
- Advanced Protection Functions – Overcurrent, earth fault, short circuit, and overload detection.
- Intelligent Control Units – Integrated digital relays for precise protection and monitoring.
- User-Friendly Operation – Clear indication, easy access for maintenance, and configurable trip settings.
- Safety & Compliance – Meets IEC 60947-2, UL 1066, and other international standards.
| Model | Rated Current (A) | Breaking Capacity (kA) | Poles | Tripping Curve | Typical Application |
|---|---|---|---|---|---|
| MS116-6 | 1 – 6 | 10 kA | 1, 2, 3, 4 | Thermal-magnetic (B, C) | Small motor and general protection |
| MS132-25 | 10 – 25 | 16 kA | 3, 4 | Thermal-magnetic (C, D) | Medium motor and industrial protection |
| MS325-63 | 40 – 63 | 25 kA | 3, 4 | Thermal-magnetic (D) | Heavy-duty motor and feeder protection |
| MS430-100 | 80 – 100 | 25 kA | 3, 4 | Thermal-magnetic (D) | Large motor and industrial feeder protection |
| MS630-160 | 125 – 160 | 35 kA | 3, 4 | Thermal-magnetic (D) | High capacity motor and power circuit protection |
| Model | Rated Current (A) | Breaking Capacity (kA) | Poles | Rated Voltage (V) | Tripping Characteristics | Typical Application |
|---|---|---|---|---|---|---|
| Emax 2 | 630 – 6300 | 50 – 150 | 3 or 4 | 690 | Electronic trip units (P, E, H types) | Power distribution, industrial plants |
| New Emax | 800 – 6300 | 65 – 150 | 3 or 4 | 690 | Advanced electronic protection | Data centers, commercial buildings |
| Tmax XT | 100 – 630 | 25 – 50 | 3 or 4 | 690 | Thermal-magnetic or electronic trip units | Medium voltage motor and feeder protection |
| Type NXA | 800 – 6300 | 50 – 100 | 3 or 4 | 690 | Advanced protection with communication | Industrial and utility substations |
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Catalog Name
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Catalog Number[size]
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Last Update
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| Sace Emax Low voltage air circuit-breakers | --- [8057kb] |
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Applications
- Motor control centers and starters
- Pumps, compressors, and fans
- Conveyor systems and material handling
- HVAC systems
- Industrial machinery protection
Why Choose
- Proven motor protection technology for enhanced equipment life.
- Adjustable trip settings for precise motor protection.
- Robust design for harsh industrial environments.
- Easy installation and maintenance.
- Supported by ABB’s global service network.
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