Compact INS250 4-pole 250 A isolator switch

Compact 4-pole switch switch, designed for the safe disconnection of electrical circuits in industrial and commercial installations. Its red rotary and yellow front control allows a clear visual identification of the state of operation. It supports voltages up to 690 V AC and 250 V DC, with a short circuit capacity of 30 kA in nominal conditions.

Technical characteristics

• Number of poles: 4P
• Network type: AC Continuous current
• Network frequency: 50/60 Hz
• Nominal current (E): 250 A in AC-22A and AC-23A for voltages up to 690 V AC and 250 V DC
• Nominal insulation voltage (Ui): 750 V AC 50/60 Hz
• Conventional thermal current (Ith): 250 A at 60 °C
• Nominal short circuit capacity (icm): 30 kA (selector switch only) at 690 V AC 50/60 Hz
• Sewing power: Yes
• Contact position indicator: Yes
• Visible cut: No
• Degree of contamination: 3
• Type of control: Red and yellow rotary command
• Handle colour: Red
• Type of assembly: Fixed
• Mounting bracket: Rail Plate
• Top connection: Front
• Connection down: Front
• Maximum power: Up to 210 kW in 660/690 V AC 50/60 Hz (AC-23, status 1)
• Mechanical durability: 15000 cycles
• Electrical durability: 1500 cycles for AC-22A and AC-23A up to 690 V AC, and 1500 cycles for DC-22A and DC-23A at 250 V DC
• Permissible temporal current (Icw): 1.8 kA (30 s), 2.2 kA (20 s), 4.9 kA (3 s), 8.5 kA (1 s)
• Connection step: 35 mm
• Height: 136 mm
• Width: 140 mm
• Depth: 96 mm
• Weight: 2.2 kg
• Degree of IP protection: IP40
• Level of protection IK: IK07
• Operating ambient temperature: -25...70 °C
• Storage ambient temperature: -50...85 °C
• Certifications: CCC, KEMA-KEUR
• EU RoHS Directive: As per
• No mercury: Yes
• Sustainable supply status: Product Green Premium
• REACh Regulation: Do not contain SVHC
• WEEE: Must be recycled according to specific system in the EU