Why Choose the Mersen R075524 High Voltage Motor Protection Fuse?
The Mersen R075524 is a dependable high voltage motor protection back-up fuse-link designed to protect medium voltage motors, switchgear and associated electrical equipment against damaging short-circuit currents. As part of the established Mersen Limitor® aSJB/D series, it is engineered specifically for motor circuits that experience repeated peak currents during starting.
The R075524 uses silver-plated copper fuse elements, silver-plated brass terminals and a durable melamine fibreglass insulating body. This robust construction provides reliable electrical performance, effective current limitation and dependable operation within demanding industrial and utility installations.
With a rated voltage of 3.6 kV AC, a rated current of 200 A and a maximum breaking capacity of 60 kA, the R075524 provides reliable protection for compatible medium voltage motor circuits. Its integrated 20 N striker supports fault indication and operation of suitable switching equipment following fuse operation.
Key Advantages
- Designed specifically for medium voltage motor protection.
- 3.6 kV AC rated voltage for industrial motor circuits.
- 200 A rated current for compatible high voltage motors.
- 60 kA breaking capacity for dependable fault interruption.
- Designed to withstand repeated peak currents during motor starting.
- Integrated 20 N striker for fault indication and switchgear operation.
- Current-limiting performance helps reduce damaging fault energy.
- Robust melamine fibreglass construction supports dependable service life.
Key Features
- Mersen Limitor® aSJB/D high voltage motor fuse-link.
- Catalogue number: 45ASB36V200P-2.
- Rated voltage: 3.6 kV AC.
- Rated current: 200 A.
- Maximum breaking capacity: 60 kA.
- Fuse body size: 67 mm diameter × 292 mm length.
- Overall product length: 358 mm.
- Integrated 20 N striker mechanism.
- Clip mounting with cylindrical terminals.
- Motor fuse design in accordance with IEC 60282-1 and IEC 60644.
Reliable Protection for Medium Voltage Motors
Motor protection back-up fuse-links are designed to interrupt severe short-circuit currents rapidly while tolerating the repeated inrush currents generated during motor starting. Their current-limiting characteristics reduce the peak current and fault energy imposed on motors, cables, contactors and associated switchgear.
The Mersen R075524 combines a high breaking capacity with motor-specific operating characteristics and an integrated striker. When the fuse-link operates, the striker can provide fault indication or activate compatible switching equipment, supporting coordinated isolation and safer maintenance.
Typical Applications
- Medium voltage electric motors.
- Industrial motor control centres.
- Pump and compressor installations.
- Mining and quarrying equipment.
- Water and wastewater treatment plants.
- Power generation facilities.
- High voltage motor starters.
- OEM medium voltage switchgear.
