Hager SBN140 SBN Load Break Switch 1P 40 A DIN Rail

The Hager SBN140 is a 1-pole load break switch rated at 40 A and 230 V AC, designed for DIN rail installation in modular electrical distribution systems. It delivers reliable single-phase circuit isolation with an insulation voltage of 440 V and an impulse withstand voltage of 6 kV. Occupying a single module width of 17.50 mm, it fits compactly into standard distribution boards.

Technical specifications:

• Catalog reference: SBN140
• Manufacturer: Hager
• Product type: 1-pole load break switch (disconnector)
• Rated current: 40 A
• Rated operating voltage (Ue): 230 V AC
• Insulation voltage (Ui): 440 V
• Impulse withstand voltage (Uimp): 6 kV
• Short-circuit making capacity (Icm) at 240 V AC per IEC 60947-3: 0.84 kA
• Rated short-time current (Icw, 1 s): 0.60 kA
• Pole configuration: 1P, 1 normally-open contact
• Number of modules: 1
• IP rating: IP20
• Frequency: 50-60 Hz
• Mounting: DIN rail
• Lower terminal type: biconnect
• Conductor cross-section, flexible: 2.5-16 mm²
• Conductor cross-section, rigid: 2.5-25 mm²
• Operating temperature: -20 to 70°C
• Dimensions (H x W x D): 83 x 17.50 x 68 mm
• Mechanical life: 60,000 operations
• Power dissipation at rated current: 1.10 W
• Certifications: RoHS compliant, REACh-SVHC free

Features and benefits:

• biconnect lower terminal enables aligned, flexible connections in modular DIN rail assemblies
• Accepts rigid conductors up to 25 mm² and flexible conductors up to 16 mm² for versatile cabling
• 60,000 mechanical switching operations support long-term reliable service
• Operating range of -20 to 70°C suits varied installation environments
• RoHS compliant and REACh-SVHC free, meeting current European environmental directives

Applications:

• Single-phase circuit isolation in residential distribution boards
• Load disconnection in commercial electrical panels and consumer units
• Individual circuit switching in industrial control cabinets
• Compact DIN rail assemblies where a single-module disconnector is required

Also known as: Hager SBN140, 1-pole DIN rail disconnector switch, single-pole load break switch 40A.