Siemens Circuit breaker, class M, 3-pole, 415V, 55kA Part number 3VA1163-5EF36-0AA0

Product Overview

The Siemens 3VA1163-5EF36-0AA0 is a SENTRON 3VA1-series molded-case circuit breaker (MCCB), frame size 160, designed for line and feeder protection in industrial and commercial low-voltage power distribution systems. It provides adjustable thermal-magnetic protection for overload and short-circuit conditions and is suitable for use in demanding environments where high breaking capacity and flexible current settings are required.

Key Features

• 3-pole molded-case circuit breaker (MCCB), frame 160
• Thermal-magnetic trip unit type TM240 with adjustable overload setting (Ir adjustable 44…63 A)
• Adjustable short-circuit protection (Ii = 5…10 × In)
• High breaking capacity — Icu = 55 kA @ 415 V AC (class M)
• Rated operational current (In): 63 A (at 40–50 °C ambient temperature)
• Rated operational voltage: up to 690 V AC (500 V DC possible)
• Wide conductor cross-section terminals: up to 70 mm² (solid/stranded conductors)
• Compact design with front terminal connection and robust mechanical construction

Technical Specifications

• Article Number: 3VA1163-5EF36-0AA0
• Product Family: SENTRON 3VA1 molded-case circuit breakers
• Number of Poles: 3
• Frame Size: 160
• Rated Current (In): 63 A
• Adjustable Overload Setting (Ir): 44 … 63 A
• Short-Circuit Protection Setting (Ii): 5 … 10 × In
• Rated Operational Voltage (AC): up to 690 V AC
• Rated Operational Voltage (DC): up to 500 V DC
• Breaking Capacity (Icu) @ 415 V AC: 55 kA (class M)
• Breaking Capacity (Icu) @ 240 V AC: 85 kA
• Operating Short-Circuit Breaking Capacity (Ics) @ 415 V AC: 55 kA
• Short-Circuit Making Capacity (Icm) @ 415 V AC: 121 kA
• Insulation Voltage (Ui): 800 V
• Max Conductor Cross-Section (solid/stranded): up to 70 mm²
• Mechanical Service Life (typical): 20 000 switching cycles
• Electrical Endurance (AC-1 / 380–415 V): 9 000 cycles
• Dimensions (approx. H × W × D): 130 mm × 76.2 mm × 70 mm
• Connection Terminals: Front terminals, box-type terminals on both sides
• Ambient Operating Temperature Range: –25 °C … +70 °C
• Protection Class (front): IP40
• Weight (approx.): 0.997 kg

Compliance & Certifications

• Designed and tested according to IEC / EN standards for low-voltage molded-case circuit breakers
• Class M breaking capacity (high short-circuit performance) suitable for industrial applications
• Conductor and connection terminals suitable for a wide range of cross-sections for flexibility in wiring

Applications

The 3VA1163-5EF36-0AA0 is ideal for protection and control of feeders, distribution circuits and motor feeder circuits in industrial plants, commercial buildings, and infrastructure installations. Typical applications include main feeders, sub-distribution boards, machine feeds, and power panels where adjustable overload and short-circuit protection is required, especially in installations with high prospective fault currents. Its high breaking capacity and adjustable trip settings make it well suited for demanding low-voltage power distribution and control environments.