Parameters
Category Parameter Specification
General Product Type 3-pole AC Contactor
Series A-line (AX/AF series)
Rated Operational Current (Iₑ) 80 A at AC-3, 400V
Rated Voltages Rated Insulation Voltage (Uᵢ) 690 V
Rated Operational Voltage (Uₑ) AC 230V, 400V, 500V, 690V
Switching Capacity AC-3 Duty (Squirrel cage motors) 37 kW at 400V AC
55 kW at 690V AC
AC-1 Duty (Resistive loads) 80 A
Maximum Making Capacity 12 × Iₑ (960 A)
Maximum Breaking Capacity 10 × Iₑ (800 A)
Mechanical Characteristics Number of Poles 3 Main Poles (NO)
Auxiliary Contacts Up to 4 NO + 4 NC (with add-on blocks)
Mechanical Life 10 million operations
Electrical Life (AC-3) ≥ 300,000 operations
Coil Data Coil Voltage (Standard) AC: 24V, 48V, 110V, 230V, 400V, 500V
DC: 24V, 48V, 110V, 220V
Power Consumption Pick-up: ~60 VA / 30 W
Holding: ~8 VA / 3.5 W (typical for AC coil)
Electrical Characteristics Rated Conditional Short-Circuit Current (Iq) 10 kA (with appropriate fuse/breaker)
Overload Capacity 8 × Iₑ for 10 seconds
Frequency 50/60 Hz
Terminals Main Circuit Terminals Screw clamp type, accepts cables up to 35 mm²
Auxiliary Terminals Spring clamp type, accepts cables up to 2.5 mm²
Standards & Approvals Compliance Standards IEC 60947-4-1, EN 60947-4-1
Certifications CE, cULus, CCC, etc.
Environmental Operating Temperature -25°C to +60°C (with no icing)
Storage Temperature -40°C to +70°C
Altitude Up to 2000 m without derating
Pollution Degree PD 3
Protection Degree IP20 (finger-safe terminals)
Physical Dimensions (W×H×D) Approx. 90 × 146 × 121 mm (without accessories)
Weight Approx. 0.9 kg (base unit)
Mounting Mounting Method Panel mounting on 35 mm DIN rail (EN 60715) or screw mounting
Mounting Position Any orientation
The ABB 2TLA020038R3100 is a high-capacity, compact industrial contactor from ABB's renowned A-line (AX/AF) series, specifically designed for heavy-duty motor starting and power switching applications. This contactor is engineered to provide reliable and durable performance in demanding industrial environments where space is at a premium but high switching capacity is essential.