Product Short Description
Product Introduction
The ABB A40-30-10 110-120V is a 3‑pole, non‑reversing AC contactor from ABB’s A‑Line product family. It is engineered for reliable switching and control of 3‑phase motors, power circuits, and heavy industrial loads up to 690 V AC. This contactor features a 110‑120 V AC coil (compatible with 50/60 Hz), 3 main NO contacts, and 1 built‑in NO auxiliary contact. Designed for industrial environments, it offers robust performance, long service life, and flexible installation options, making it ideal for motor control, power distribution, and general switching applications.
Description
Technical Specifications
Core Electrical Parameters
- Model: A40-30-10 110-120V
- Poles: 3‑pole (3 NO main contacts)
- Auxiliary Contact: 1 NO (built‑in)
- Coil Voltage: 110‑120 V AC (50/60 Hz)
- Rated Operational Current (Ie): 40 A (AC‑3 duty)
- Conventional Thermal Current (Ith): 42 A
- Rated Operational Voltage (Ue): Up to 690 V AC
- Rated Insulation Voltage (Ui): 1000 V AC
- Breaking Capacity: 8 × Ie (AC‑3)
- Motor Rating: 15 HP at 230 V, 30 HP at 460 V (3‑phase)
- Power Consumption: Low coil power for energy efficiency
Mechanical & Physical
- Dimensions: 54 mm (W) × 90 mm (H) × 108.3 mm (D)
- Mounting: 35 mm DIN‑rail or direct panel mounting
- Terminals: Captive screw terminals for secure wiring
- Enclosure: Open type (IP20)
- Weight: Approximately 0.5 kg
Environmental & Durability
- Operating Temperature: -25°C to +55°C
- Storage Temperature: -40°C to +85°C
- Humidity: 5%–95% RH, non‑condensing
- Altitude: Up to 3000 m above sea level
- Mechanical Life: 10 million operations
- Electrical Life: 1 million operations (AC‑3 at rated current)
- Standards: IEC 60947, UL 508, CSA, CCC, VDE, RoHS compliant
Key Features
- 3‑Pole Main Contact Configuration: 3 NO main contacts for reliable 3‑phase load switching.
- Built‑in Auxiliary Contact: 1 NO auxiliary contact for control circuit signaling and interlocking.
- Wide Coil Compatibility: 110‑120 V AC coil supports both 50 Hz and 60 Hz power systems.
- High Breaking Capacity: Delivers 8 × rated current breaking capacity for safe overload protection.
- Long Service Life: 10 million mechanical operations and 1 million electrical operations ensure extended reliability.
- Flexible Installation: Compatible with 35 mm DIN‑rail and direct panel mounting for versatile setup.
- Secure Wiring: Captive screw terminals prevent loose connections and simplify installation.
- Industrial‑grade Construction: Robust design withstands vibration, shock, and harsh industrial conditions.
- Expandable Functionality: Supports add‑on auxiliary contact blocks, mechanical interlocks, and timers for custom configurations.
- Global Compliance: Meets international safety and performance standards for worldwide application.
Application Scenarios
- 3‑Phase Motor Control: Direct‑on‑line (DOL) starting and control of motors up to 30 HP in manufacturing, machinery, and conveyor systems.
- Industrial Power Distribution: Switching and isolation of power circuits in control panels, switchgear, and distribution boards.
- Pump & Fan Systems: Control of water pumps, ventilation fans, and HVAC equipment in commercial and industrial facilities.
- Manufacturing Machinery: Integration with assembly lines, machine tools, and material handling equipment.
- HVAC & Building Automation: Control of compressors, chillers, and large ventilation systems in commercial buildings.
- Water & Wastewater Treatment: Switching of pumps, valves, and aeration systems in treatment plants.
- Capacitor Bank Switching: Reliable control of power factor correction capacitor banks.
- Lighting Control: High‑current switching for industrial and commercial lighting systems.
- System Retrofit: Replacement for legacy contactors in industrial control systems to enhance reliability and performance.
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