SBN325 Hager SBN3 Modulární přepínač zatížení 3P 25A

The Hager SBN325 is a 3-pole load break switch (Ausschalter) rated at 25 A and 400 V AC, designed for DIN rail mounting in distribution boards and control panels. It occupies 2 DIN rail modules and delivers reliable circuit isolation via 3 normally-open contacts with an insulation voltage of 440 V and impulse withstand voltage of 4000 V.

Technical specifications:

• Catalog reference: SBN325
• Manufacturer: Hager
• Product type: 3-pole load break switch, 3P
• Rated current: 25 A
• Rated operational voltage Ue: 400 V AC
• Insulation voltage Ui: 440 V
• Impulse withstand voltage Uimp: 4000 V
• Current carrying capacity AC21 (Cat. A and B): 25 A
• Current carrying capacity AC22 (Cat. A and B): 25 A
• Making capacity Icm at 415 V AC (IEC 60947-3): 0.52 kA
• Short-time withstand current Icw 1 s: 0.37 kA
• Conditional short-circuit current Inc: 3000 A with 80 A gG fuse in parallel, 32 A gG
• Number of normally-open (NO) contacts: 3
• Number of normally-closed (NC) contacts: 0
• Number of DIN rail modules: 2
• IP rating: IP20
• Frequency: 50 - 60 Hz
• Dimensions (H x W x D): 83 x 35 x 68 mm
• Terminal connection type: screw connection
• Conductor cross-section, flexible: 1.5 - 10 mm²
• Conductor cross-section, rigid: 1.5 - 16 mm²
• Tightening torque: 1.80 Nm
• Operating temperature: -20 to 70°C
• Storage/transport temperature: -40 to 80°C
• Mechanical endurance: 200,000 operations
• Electrical endurance at rated load (AC21 and AC22): 25,000 operations
• Total power dissipation at rated current: 2.70 W
• Power dissipation per pole: 0.90 W
• RoHS compliant: Yes
• REACh-SVHC free: Yes

Features and benefits:

• 2-module DIN rail footprint at 35 mm wide keeps installation compact within standard panel slots.
• Screw terminals accept flexible conductors from 1.5 to 10 mm² and rigid conductors from 1.5 to 16 mm², covering a wide range of cable sizes without additional adapters.
• Rated for AC21 and AC22 switching duty at full 25 A, suitable for resistive and moderately inductive load disconnection.
• Mechanical endurance of 200,000 operations and electrical endurance of 25,000 operations at rated load support long service life.
• RoHS compliant and REACh-SVHC free, meeting current environmental and hazardous substance directives.

Applications:

• Load isolation and safe circuit disconnection in residential and commercial low-voltage distribution boards.
• AC21 and AC22 duty switching in industrial control cabinets handling resistive and slightly inductive loads.
• Panel builds requiring a compact 3-pole DIN rail disconnector in a 2-module format.
• Installations operating across wide temperature ranges from -20 to 70°C.

Also known as: Hager SBN325, 3-pole load break switch 25A, DIN rail isolator switch.