MCB 20A, 4P, 415V AC – 5SL4420-7RC

Product Description

Siemens SENTRON MCB – 20A, 4P, 415V AC – 5SL4420-7RC

The Siemens 5SL4420-7RC is a SENTRON 5SL series miniature circuit breaker (MCB) designed for protection of low-voltage electrical distribution circuits against overload and short-circuit faults. It is widely used in industrial distribution boards, control panels, and commercial electrical systems where reliable and compact protection is required.

This model has a 4-pole configuration (3 phases + neutral) and a C-curve tripping characteristic, making it suitable for general-purpose applications and loads with moderate inrush current such as lighting systems, control circuits, and auxiliary loads.

With a 10kA breaking capacity at 415V AC, it ensures fast fault isolation and protects cables and connected equipment from electrical damage.

Key Features:

• Siemens SENTRON 5SL series MCB 

• Rated current: 20A 

• 4-pole (3P + N) protection 

• C-curve tripping characteristic 

• Breaking capacity: 10kA at 415V AC 

• Rated voltage: 240/415V AC 

• DIN rail mounting system 

• High-speed short-circuit protection 

• Compact modular design 

• Finger-safe terminals 

• Suitable for industrial and commercial applications 

• IEC/EN 60898-1 compliant