Siemens Circuit breaker, 3VA1 IEC frame, 4-pole, 25kA @ 415V Part number 3VA1050-3ED46-0AA0

Product Overview

The Siemens 3VA1050-3ED46-0AA0 is a Siemens SENTRON 3VA1 molded-case circuit breaker, IEC frame 100, 4-pole, designed for line protection in industrial and commercial power distribution. It provides reliable overload and short-circuit protection for three-phase and neutral circuits, combining high breaking capacity, fixed thermal-magnetic trip unit and robust construction — suitable for installations requiring compact yet powerful circuit protection.

Key Features

• 4-pole molded case circuit breaker (3VA1 series, IEC frame 100)
• Rated current: 50 A (at reference temperature); up to 45 A at 70 °C ambient
• Thermal-magnetic fixed trip unit (TM210) — overload and short-circuit protection
• Wide voltage rating: up to 690 V AC or 600 V DC
• High breaking capacity — Icu 25 kA @ 415 V AC, 36 kA @ 240 V AC
• Short-circuit making capacity suitable for industrial duty
• Compact design with box terminals, suitable for control panels and switchgear
• Front-terminal wiring, suitable for conductors from 1.5 mm² up to 70 mm²
• Mechanical service life ~ 20,000 switching cycles; electrical endurance ~ 9,000 cycles (depending on voltage) — built for longevity
• Protection class IP40 on the front; suitable for installation in enclosed switchgear

Technical Specifications

• Article Number: 3VA1050-3ED46-0AA0
• Poles: 4 (three phases + neutral)
• Rated Current (In): 50 A (ambient 40 °C)
• Rated Operational Voltage (AC): Up to 690 V AC (50/60 Hz)
• Rated Operational Voltage (DC): Up to 600 V DC
• Breaking Capacity (Icu): 25 kA @ 415 V AC; 36 kA @ 240 V AC
• Making Capacity (Icm): High short-circuit making capability suitable for industrial networks
• Trip Unit: Fixed thermal-magnetic (TM210) — overload + short-circuit protection
• Terminal Connection: Box terminals (front) — accept conductors 1.5 … 70 mm²
• Dimensions (approx.): Height 130 mm, Width ~101.6 mm, Depth 70 mm
• Net Weight: ≈ 1.276 kg
• Mechanical Durability: ~ 20,000 switching cycles
• Electrical Endurance (AC-1): ~ 9,000 cycles (380/415 V), ~ 6,300 cycles (690 V) depending on load
• Protection Class (front): IP40
• Ambient Operating Temperature: –25 °C … +70 °C (storage: –40 °C … +80 °C)

Compliance & Certifications

• Part of the Siemens 3VA molded-case circuit breaker family — designed to IEC/EN low-voltage switchgear standards
• Suitable for global industrial and commercial power distribution applications
• Meets mechanical and electrical endurance requirements for industrial duty use

Applications

The 3VA1050-3ED46-0AA0 is suited for main line protection, feeder circuits, motor control centers, industrial distribution boards, and machine-panel installations requiring high reliability and high breaking capacity. It is ideal for protecting three-phase systems, heavy loads, and networks with potential short-circuit risks — such as motor feeders, lighting panels, HVAC systems, and general industrial power circuits.