Mersen: Modulostar CUS10 – Fuse Holders

June 11, 2025
Discover Mersen’s Innovative Modulostar CUS10: Durable, Safe Protection
Mersen’s innovative Modulostar CUS10 fuse holders are finger-safe under IEC standards to an IP20 grade of protection, including fuse changing (with the flick of a finger). Modulostar CUS10 fuse holders are available in 1, 2, 3 or 4 poles, with or without visual blown fuse indicator, in CSA/ UL + IEC version. Multi-pole units can also be field assembled by ordering pin-ties assembly kit. Made of tough and durable thermoplastic or thermoset material. For use with Mersen midget fuses.
Key Features & Benefits
- Modular design
- Compact design for space saving
- DIN rail mounting
- Degree of protection: IP20
- Finger safe
- Easy access to the fuse
- Lockable without accessory
- Sealable in closed & open position
- Optional visual blown fuse indicator
- Multi-pole assembly kit available
- Plastic material UL94V2 mini
- Plastic material R22HL2 for railway application
- Flame retardant materials with glow wire flammability index to 960°C
- Schock and vibration tested for marine and railway applications
Applications
- All circuits up to 690V for protection of motors, transformers, low voltage distribution, control circuits, drive protection
- Non-load operation
Standards
- CSA Component acceptance C22.2
- UL Recognized Component, UL4248, guide IZLT2
- IEC 60269-2 and IEC 60947-3
- RoHS, Reach compliant
- Marine certificates
Technical Specifications
| Voltage Range | 690 … 1000 V AC & 690 … 1000 V DC |
| Short Circuit Current Rating (SCCR) | 200 kA |
| Wire Type | 1 Rigid / Multistrand = 1-16mm² – 2 Multistrand = 6mm² |
| CE Conformity | Yes |
| Reach Compliant | Yes |
| Max Operating Temp. | 70 °C |
| Min Operating Temp. | -40 °C |
| Max Storage Temp. | 70 °C |
| Min Storage Temp. | -40 °C |
| Degree of Protection (IP) | IP20 |











