| Attribute | Value |
|---|---|
| Brand | ABB |
| Type | Contactor |
| Model | A75-30 |
| Coil | CAL5 |
| Voltage | 110-120V 60Hz / 110V 50Hz |
| Marking | A 7 5 |
| Rated Insulation Voltage | Ui = 1000V~ |
| Thermal Current (Ith) | 125A |
| AC1 Rated Current (Ieac1) | 125A |
| Standards | IEC 60947-4-1, EN 60947-4-1 |
| Catalog Number | A005135 |
| Max Voltage | 600V AC Max |
| Continuous Current | 105A |
| AWG Info | AWG 1-8 Cu Str 75°C, Torque: 35 Lb In / 4 Nm |
| Auxiliary Contact Rating | A600 Q300 |
| Compatible Overload Relay | TA75 Series |
| Additional Coil | CAL5-11 |
| Coil Voltage | Ui = 690V~ |
| Coil Ith | 16A |
| Coil Standards | IEC 60947-5-1, EN 60947-5-1 |
| Coil AWG Info | AWG 12-16 Cu Str/Sol 60/75°C, Torque: 7-9 Lb.in / 0.8-1 N·m |
| Product Code | 1SBL411001R8411 |
| Full Part Number | A75-30-11 |
| AC-3 Rating | 37kW – 400V |
| Factory Code | F: 209384 |
| User Reference | US: A75-30-11-84 |
| EAN | 3471522093844 |
| Manufacturing Country | Made in Czech Republic / Made in France |
| Weight | 1.160 Kg |
| Condition | New |
| Reference Number(S) | 55132 |
What Is a Contactor?
A contactor is an electrically operated switch utilized for switching an electrical power circuit. Consider it a heavier-duty version of a relay, tailored for high-current applications. It’s typically applied in industrial and commercial usage to regulate electric motors, lighting, heating, capacitor banks, and other electric loads.
Overview of the ABB A75-30 Contactor
ABB A75-30 is a 3-pole contactor that can work under harsh conditions. It is part of ABB’s AF series that specializes in providing high-performance control and motor switching solutions.
Some of the top points include:
Voltage Rating: 110-120V at 60Hz (coil voltage)
Current Rating: 75A AC-3 (motor load applications)
Durability: High electrical and mechanical longevity
Size: Compact space to fit within the panel easily
Mounting Options: DIN rail or screw mounting
Certifications: UL, CSA, CE for global use
Features and Advantages
1. Consistent Performance Under Load
A75-30 is designed to support AC-3 duty use up to 75 amps, which encompasses most common industrial motors. Its precision mechanism and sturdy contacts guarantee consistent performance even in more demanding applications.
2. Simple Installation
The modular construction of the contactor facilitates simple mounting and wiring into control panels. With the use of DIN rails or screws, installation is fast and secure.
3. Safety and Compliance
With multiple certifications such as UL, CSA, and CE, the A75-30 is recognized to meet world-class safety and performance standards. That means you can install with confidence, secure in the knowledge that it adheres to industry safety standards.
4. Extended Mechanical Life
Designed for extensive use, the A75-30 has a mechanical life of millions of operations, keeping your systems running continuously longer without periods of maintenance disruption.
5. Versatile Uses
From industrial machinery and conveyor belts to HVAC systems, the A75-30 is appropriate for many different applications. Its flexibility is one of the reasons why it is favored by OEMs and industrial automation engineers.
Applications
The ABB A75-30 contactor finds application in a broad spectrum of industries:
Factory Plants: To control pumps, motors, and conveyor systems.
HVAC Equipment: Compressor switching, fan switching, and blower switching.
Water Treatment Plants: To control filtration systems and pumps.
Energy & Utilities: For power switching in distribution panels.
Marine & Offshore: Robust performance in harsh environments.
Why ABB?
ABB is famous for its innovation, quality, and sustainability. With a history spanning more than a century, ABB products have become the go-to choice for professionals worldwide. The A75-30 is no exception — it’s a nicely engineered contactor that lasts a long time, delivering world-class performance at an affordable price.
