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 |
Downloads



Contact with us

