Mersen CMS223P 125A 690V AC/DC 3-pole fuse holder

Mersen Modulostar CMS223P modular fuse holder for 22 × 58mm cylindrical fuse-links. Item V331126 is the three-pole CMS22P version prepared for an indicator and/or auxiliary microswitch; accessories are not stated as supplied.

Technical specification

• Conventional free-air thermal current with fuse-links (Ith): 125A
• Rated voltage: 690VAC and 690VDC
• Utilisation category: AC-20B / DC-20B (non-load operation)
• Short-circuit current rating (SCCR): 100kA
• Rated insulation voltage (Ui): 690V; rated impulse-withstand voltage (Uimp): 8kV
• Fuse-link size: 22 × 58mm; three poles
• Degree of protection: IP20, including during fuse changing
• Fuse-link power dissipation accommodated at Ith: 9.5W
• Connection: rigid conductor 1.5–50mm²; multistrand conductor up to 35mm²; maximum tightening torque 4Nm
• Mounting: DIN rail to EN 60715
• Operating temperature: −25°C to +60°C; storage temperature: −25°C to +80°C
• Product dimensions (H × W × D): 126.5 × 105 × 76.5mm; maximum depth with an auxiliary microswitch fitted: 96.5mm
• Product weight: 0.6375kg
• Standards/compliance: IEC 60269-2, IEC 60947-3 and RoHS

Construction and application

Finger-safe modular construction in tough thermoplastic or thermoset material. The CMS22 family is lockable and sealable in the open and closed positions, uses flame-retardant material and is shock- and vibration-tested. Suitable for circuit protection applications up to the stated ratings when fitted with the appropriate 22 × 58mm fuse-links.