3VA1112-3GE46-0AA0 Siemens

Description

The Siemens SENTRON 3VA1112-3GE46-0AA0 is a high-performance molded-case circuit breaker (MCCB) designed for reliable and efficient protection of electrical distribution systems. Part of the 3VA1 IEC series (Frame size 160), this breaker provides dependable overload and short-circuit protection using a TM220 thermal-magnetic trip unit, making it ideal for industrial, commercial, and infrastructure installations.

Electrical Performance

• Rated current (In): 125 A

• Breaking capacity (Icu):

  • 36 kA at 240 V AC

  • 25 kA at 415 V AC

  • 16 kA at 440 V AC

  • 7 kA at 500 V / 690 V AC

• Service breaking capacity (Ics): equal to Icu values at 240/415/440 V AC

• Short-circuit closing capacity (Icm): up to 75.6 kA (240 V AC)

• Adjustment ranges:

  • Overload protection (Ir): 87–125 A

  • Delay tripping (tr): fixed at 1 s

  • Instantaneous protection (Ii): 1250 A (fixed)

• Neutral pole: 100% protected

General Characteristics

• Poles: 4

• Product type: Distribution protection MCCB

• Trip unit: TM220 thermal-magnetic

• Rated insulation voltage: 800 V

• Rated operational voltage: up to 690 V AC / 600 V DC

• Power losses: Max. 28.1 W

Mechanical & Installation Data

• Mechanical lifespan: 20,000 operations

• Electrical lifespan: up to 9,000 operations at 380/415 V AC

• Mounting: Front-connected terminal design

• Terminal type: Frame-type terminals (top: silver; bottom: tin-plated)

• Conductor capacity: 1 × 1.5–70 mm²

• Dimensions:

  • Height: 130 mm

  • Width: 101.6 mm

  • Depth: 70 mm

• Weight: 1.378 kg

• Front protection rating: IP40

Environmental & Certification Data

• Operating temperature: –25°C to +70°C

• Storage temperature: –40°C to +80°C

• Environmental Product Declaration (EPD): Yes

• Greenhouse gas footprint:

  • Total: 190 kg CO₂-eq

  • Manufacturing: 4.67 kg

  • Operation: 186 kg

  • End-of-life: –0.826 kg

• Approvals include EMC tests and marine certifications (CCS, etc.)

Additional Features

• Optional motor operator available

• No communication or advanced metering functions

• No earth-fault protection built-in

• Suitable for AC distribution systems requiring safe, dependable disconnection and protection