RCBO 3Poles+N B-Curve 16A A-Type 300mA 400V ABB

Description

DS203NC B16 A300is a 3P+N residual current circuit breaker with overcurrent protection (RCBO) in four modules for the protection against short-circuit currents, overload, earth fault currents, indirect contacts, additional protection against direct contacts.

Technical Information

• Voltage type: AC
• Built-in depth: 69 mm
• Rated Residual Current: 300 mA
• Rated current: 16 A
• Rated voltage: 400 V
• Release characteristic: B
• Rated insulation voltage Ui: 500 V
• Rated fault current: 0.3 A
• Leakage current type: A
• Surge current capacity: 0.25 kA
• Current limiting class: 3
• Over voltage category: 3
• Pollution degree: 2
• Width in number of modular spacings: 4
• Frequency: 50/60 Hz
• Degree of protection (IP): IP2X
• Number of protected poles: 3
• Concurrently switching neutral conductor: Yes
• Rated short-circuit breaking capacity according to IEC 60947-2: 10 kA
• Connectable conductor cross section solid-core: 25 mm²
• Connectable conductor cross section multi-wired: 1-25 mm²
• With interlocking device: Yes
• Ambient temperature during operating: -25 to 55 °C
• Flush-mounted installation: No
• Number of poles (total): 4
• Anti-nuisance tripping version: No
• Rated impulse withstand voltage (Uimp): 4 kV
• Rated short-circuit breaking capacity Icn according to EN 61009-1: 6 kA
• Disconnection characteristic: Undelayed
• Rated short-circuit breaking capacity according to EN 61009: 6 kA

Specifications

• Measure (WxHxD):71x85x69mm