Siemens Sentron Molded case circuit breaker, fixed mount, 4-pole, 630A, 55kA Part number 3VA1463-5EF42-0AA0

Product Overview

The Siemens 3VA1463-5EF42-0AA0 is a 4-pole molded-case circuit breaker from the SENTRON 3VA1 series with an IEC Frame 630 rating. It is designed for line protection and features a high breaking capacity (Class M) of 55 kA at 415 V. It offers overload protection via the TM240 thermal-magnetic release and adjustable settings, making it suitable for industrial distribution systems.

Key Features

• 4-pole (3 phases + neutral) molded-case circuit breaker
• Rated operational current: 630 A (at 40 °C)
• Breaking capacity class M: Icu = 55 kA at 415 V AC
• Adjustable thermal-magnetic trip unit (type TM240) for overload and short-circuit protection
• Front terminal connections with nut‐keeper kit for secure installation and large conductor cross-sections
• Robust mechanical index; suitable for severe industrial applications

Technical Specifications

• Product Series: SENTRON 3VA1 Molded-Case Circuit Breakers
• Article Number: 3VA1463-5EF42-0AA0
• Number of Poles: 4
• Rated Operational Current (Ie): 630 A at 40 °C
• Insulation voltage (Ui): 800 V AC
• Rated operational voltage (Ue): Up to 690 V AC
• Breaking capacity (Icu): 85 kA at 240 V; 55 kA at 415 V; 7 kA at 690 V
• Short-circuit making capacity (Icm): 187 kA at 240 V; 121 kA at 415/440 V; 11.9 kA at 690 V
• Adjustable overload current (Ir): 441 A to 630 A
• Mechanical service life: ~20,000 operations
• Electrical endurance (AC-1, 380/415 V): ~4,000 operations
• Connections: Front terminals, flat‐bar or large conductor, nut‐keeper kit on both ends
• Dimensions (H × W × D): 248 mm × 184 mm × 110 mm
• Net Weight (Approx.): 6.414 kg
• Protection class (front): IP40
• Ambient operating temperature: –25 °C to +70 °C; storage: –40 °C to +80 °C

Compliance & Certifications

• Conforms to IEC/EN 60947-2 for molded-case circuit breakers
• Manufactured under Siemens SENTRON low-voltage protection equipment standards
• Product category: Frame 630, breaking capacity class M

Applications

This circuit breaker is ideal for industrial and commercial power distribution systems where high performance and high fault-current interruption capability are required. Typical applications include feeder protection, switchgear panels, main distribution boards and motor-feeder circuits operating in harsh environments. Its Class M breaking capacity and high current rating make it suitable for systems with high fault-levels and demanding electrical conditions.