M21 | Fuse Switch Disconnector | 400A – 800A

Description

The Telergon M21 Series is a compact range of fuse switch disconnectors and switch fuses engineered for industrial and commercial low-voltage installations worldwide.

The M21 range of fusible switches ensures reliable fuse-based isolation while complying with the industry’s most recognized international standards.

Current Ranges & Fuse Compatibility

  • IEC 60947-3 compliant for use with NH and BS fuses: from 400A up to 800A

 Key Features

  • Available in 3-pole, and 4-pole versions
  • Short circuit rating up to 200kA
  • Double-break contact system for full and secure fuse isolation
  • Load break switching
  • Direct of external handle, front operation, IP65

Applications

  • Industrial switchboards and control panels
  • Electrical distribution in commercial buildings
  • Utilities, infrastructure, and energy systems
  • OEM applications: HVAC, machinery, and automation
  • Power Electronics (Auxiliary services panel)

Certified for Global Markets

  • IEC 60947-3

Codes

Amp. Fuse Size Connection 3P 3P+N
400 NH2 2 Terminal M2104003PSD20 M2104003NSD20
315 BSB1-B3 2 Terminal M2103153PSB40 M2103153NSB40
400 BSB1-B4 2 Terminal M2104003PSB50 M2104003NSB50
630 NH3 3 Terminal M2106303PSD30 M2106303NSD30
800 NH3 3 Terminal M2108003PSD30 M2108003NSD30
630 BSC1-C2 3 Terminal M2106303PSB70 M2106303NSB70
800 BSC1-C3 3 Terminal M2108003PSB80 M2108003NSB80

Contact with us