Eaton Z-S/WM Miniature Circuit Breaker 1-Pole B10 10A 230/400V AC 4.5kA 248345

The Eaton Z-S/WM is a 1-pole miniature circuit breaker with B-characteristic, rated at 10 A and 230/400 V AC, offering a breaking capacity of 4.5 kA per EN 60898. It is designed for DIN rail mounting and occupies just 1 module width (17.5 mm).

Overview

The Eaton Z-S/WM (model 248345) provides reliable overcurrent protection for residential and commercial electrical installations. It features a rated current of 10 A and a tripping characteristic of type B, making it suitable for protecting circuits with moderate inrush currents. The device operates at a frequency of 50/60 Hz and has a rated impulse withstand voltage of 4 kV. Its screw terminals accept conductors from 1 to 25 mm², ensuring secure connections.

What stands out

• Compact 1-module design saves space on the DIN rail
• High breaking capacity of 4.5 kA for enhanced safety
• Energy limiting class 3 reduces let-through energy
• Wide operating temperature range from -25°C to +75°C
• Long electrical life exceeding 10,000 operations

Technical details

• Product type: Miniature circuit breaker (MCB)
• Number of poles: 1P
• Rated current: 10 A
• Tripping characteristic: B
• Rated voltage: 230/400 V AC
• Rated breaking capacity: 4.5 kA (EN 60898)
• Frequency: 50/60 Hz
• Mounting: DIN rail (EN 60715)
• Module width: 1 module (17.5 mm)
• Energy limiting class: 3
• Degree of protection: IP20 (terminals), IP40 (with cover)
• Terminal type: Screw terminals
• Connection capacity: 1 - 25 mm²
• Rated impulse withstand voltage: 4 kV
• Operating temperature: -25 to +75 °C
• Standards: IEC/EN 60898-1
• Electrical life: >10,000 operations
• Mechanical life: >20,000 operations

Our verdict

A dependable and compact MCB that meets essential safety standards, ideal for protecting lighting and socket circuits in residential and light commercial settings.