Compact INS250 3P 250A isolating switch

Compact 3-pole switch switch, designed for the safe disconnection of electrical circuits in industrial and commercial installations. Its red rotary control with yellow front allows a clear visual identification of the state of operation. It is indicated for use in AC networks and DC current, with a nominal current of 250 A and a nominal insulation voltage of 750 V AC.

Technical characteristics

• Number of poles: 3P
• Network type: AC Continuous current
• Network frequency: 50/60 Hz
• Nominal current of use (E): 250 A in AC-22A and AC-23A for voltages up to 690 V AC
• 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 single switch-selector, 690 V AC 50/60 Hz
• Nominal operating voltage (Ue): 250 V DC current, 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-23A, state 1)
• Mechanical durability: 15000 cycles
• Electrical durability: 1500 cycles for AC-22A and AC-23A, 1500 cycles for DC-22A and DC-23A (125 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 kg
• Degree of IP protection: IP40
• Level of protection IK: IK07
• Operating ambient temperature: -25...70 °C
• Storage ambient temperature: -50...85 °C
• Certifications: KEMA-KEUR, CCC
• Standards: En> 40 A Instant and demand values
• EU RoHS Directive: As per
• No mercury: Yes
• Sustainable supply status: Product Green Premium