Ritz KSO 74 Indoor Slip-over Current Transformer

Ritz KSO 74 Indoor Slip-over Current Transformer Specifications:

• Product Type: Current Transformer (Slip-over, Window Type)
• Manufacturer: RITZ Instrument Transformers GmbH
• Model: KSO 74
• Device Application: Measurement and protection in switchgear, switching device combinations, and power distribution systems
• Primary Current (Ipn): 50 A to 1000 A
• Secondary Current (Isn): 1 A or 5 A
• Rated Power: 2.5 VA to 15 VA (e.g., 2.5 VA for 600/5A, 15 VA for 500/5A)
• Accuracy Class: 0.5, 1, 3 (e.g., Class 3 for 500/5A 15 VA)
• Overcurrent Rating Factor (FS): Adjustable, typically FS 5 or FS 10 
• Rated Voltage (Um): 0.72 kV (optional 1.2 kV for tropical version)
• Insulation Level: 0.72/3 kV
• Frequency: 50/60 Hz
• Window Opening: 40.2 mm (suitable for busbars or cables)
• Busbar Compatibility: Up to 40 x 12 mm, 35 x 13 mm, or 30 x 18 mm
• Cable Compatibility: Round conductor up to Ø 30 mm
• Housing Material: Polycarbonate, visco-plastic, flame-resistant, self-extinguishing
• Primary Conductor: Without primary conductor (slip-over design); optional KSS 74 with nickel-plated flat copper busbar
• Dimensions:
  • Width: 70 mm
  • Height: 94 mm
  • Depth: 52 mm
• Weight: Approximately 0.5 kg 
• IP Degree of Protection: IP50 (housing), IP20 (terminals) 
• Ambient Air Temperature for Operation: -5 to 40 °C 
• Ambient Air Temperature for Storage: -25 to 70 °C 
• Standards Compliance: IEC 
• Special Features:
  • Shock-resistant polycarbonate housing
  • Optional tropical version with enhanced insulation (1.2 kV)
  • Secondary terminal box can be sealed
• HS Code: 8504.31.80 
• Country of Origin: Germany