DIN-rail, IP20 finger-safe modular fuse holder for 10×38 mm cylindrical fuses: 1 – 4 poles, optional blown fuse indicator, UL + IEC approved, 200 kA SCCR.

Modulostar® CUS10 Modular Fuse Holders (10×38)

Modulostar® CUS10 Modular Fuse Holders (10×38)

Mersen's Modulostar® CUS10 fuse holders are finger-safe under IEC standards to an IP20 degree of protection, including fuse changing — with the flick of a finger.

Available in 1, 2, 3 or 4 poles, with or without a visual blown fuse indicator, in a UL + IEC version. Multi-pole units can also be field-assembled with the pin-tie assembly kit. Made of tough, durable thermoplastic or thermoset material, for use with Mersen 10×38 (midget) fuses.

Applications: all circuits up to 690 V — protection of motors, transformers, low-voltage distribution, control circuits and drives. For non-load operation.

The list is taken from Mersen's current reference table; click a type code for the manufacturer's part page. Contact us for price and stock.

  • Modular, compact design — saves panel space
  • DIN rail mounting
  • IP20, finger safe — easy access to the fuse
  • Lockable without accessory — sealable in closed and open position
  • Optional visual blown fuse indicator
  • Multi-pole assembly kit
  • Flame-retardant material — UL94 V2 (min.), glow-wire index 960 °C
  • Railway material — R22HL2 option
  • Tested for marine and railway — shock and vibration tests

Technical Specifications

Rated voltage690 … 1000 V AC and 690 … 1000 V DC
Rated current32 A
Fuse size10×38 mm
Short-circuit current rating (SCCR)200 kA
Poles1, 1+N, 2, 3, 3+N, 4 (separate neutral module)
Wire size1 × 1 – 16 mm² rigid / multistrand · 2 × 6 mm² multistrand
Degree of protectionIP20
Operating / storage temperature-40 °C … +70 °C
StandardsUL 4248 (IZLT2), CSA C22.2, IEC 60269-2, IEC 60947-3
CertificatesDNV, Lloyd's Register, CCC, KC, CE, RoHS, REACH, UKCA

Product list

TypeMersen ref.PolesIndicatorWeight
CUS101G10627211-PoleNo0.045 kg
CUS101IJ10627231-PoleYes0.046 kg
CUS101NC10627171-Pole+NNo0.095 kg
CUS101NIE10627191-Pole+NYes0.095 kg
CUS102D10627182-PoleNo0.092 kg
CUS102IF10627202-PoleYes0.093 kg
CUS103A10627153-PoleNo0.139 kg
CUS103IB10627163-PoleYes0.14 kg
CUS103NW10627113-Pole+NNo0.187 kg
CUS103NIY10627133-Pole+NYes0.188 kg
CUS104X10627124-PoleNo0.185 kg
CUS104IZ10627144-PoleYes0.186 kg
CUS10NH1062722NeutralNo0.048 kg

Data Sheet (PDF) Manufacturer Product Page