Siemens 5SY4463-7 Miniature Circuit Breaker 4P C63A 10kA

The Siemens 5SY4463-7 is a 4-pole miniature circuit breaker from the SENTRON range, rated 63 A with a type C tripping characteristic. It provides overcurrent and short-circuit protection on 230/400 V AC systems with a breaking capacity of 10 kA per EN 60898-1, and mounts on 35 mm DIN rail in any position.

Technical specifications:

• MLFB: 5SY4463-7
• Manufacturer: Siemens
• Product line: SENTRON
• Number of poles: 4 (4P)
• Tripping characteristic: C
• Rated current: 63 A
• Rated voltage: 400 V AC (multi-phase), 230 V AC (single-phase), 60 V DC
• Insulation voltage (Ui): 440 V AC
• Breaking capacity: 10 kA (EN 60898-1), 15 kA (IEC 60947-2), 5 kA (UL 1077 / CSA C22.2 No.235)
• Energy limitation class: 3
• I-tripping setting current: 7x In
• Operational current at 40 C: 59.98 A
• Operational current at 60 C: 53.42 A
• Power loss: 6 W per pole
• IP rating: IP20, with connected conductors
• Overvoltage category: 3, pollution degree 3
• Operating temperature: -40 C to 70 C
• Storage temperature: -40 C to 75 C
• Mounting: DIN rail, any position
• Mechanical service life: 10 000 operating cycles
• Conductor cross-section: 0.75-35 mm2 (solid/stranded), up to 25 mm2 (finely stranded with ferrule)
• Tightening torque: 2.5-3.5 N.m
• Dimensions (WxHxD): 72 x 90 x 76 mm, installation depth 70 mm
• Modular width units: 4
• Net weight: 665 g
• Standards: IEC/EN 60898-1, IEC/EN 60947-2 / UL 1077

Features and benefits:

• Touch protection (IP20) with connected conductors for safe handling in live panels
• Halogen-free and silicon-free construction
• Sealable design to prevent unauthorised operation
• Combined terminals top and bottom accept both busbar and cable
• Accepts installable supplementary devices such as auxiliary and fault signal contacts
• Qualifies as a main switch per EN 60204-1
• Any mounting position for flexible enclosure layout

Applications:

• Overcurrent and short-circuit protection in distribution boards and control panels
• Three-phase 400 V AC circuit protection at 63 A
• Circuits with a type C characteristic (inductive loads such as motors, transformers and lighting with high inrush)
• Main switch duty per EN 60204-1

Compliant with IEC/EN 60898-1 and IEC/EN 60947-2 / UL 1077. Part of the Siemens SENTRON range.

Also known as: Siemens 5SY4463-7, SENTRON MCB 4P C63A 10kA.