GE1250T4 - 4P SWITCH DISCONNECTOR

Why Choose the GE1250T4?

Lovato’s GE1250T4 four-pole switch disconnector delivers dependable isolation for high-current AC systems. With Ith 1250 A, Ui 1000 V and Uimp 12 kV, it is engineered for robust performance in demanding panels. The SKU GE1250T4 mounts by screw on plate and provides IP20 frontal protection, aligning with IEC/EN 60947-1 and 60947-3 for safe disconnection and control across distribution and industrial applications.

Rated up to AC21A 1250 A at 400/500 V and 1000 A at 690 V, with AC23A capability to 1000 A at 400 V, the GE1250T4 handles demanding load switching. It offers conditional short-circuit current of 72 kA with gG1250 fuse protection, 10,000 mechanical cycles, and operating temperatures from -25 to 55 °C, ensuring long service life and reliability in heavy-duty installations.

Key Benefits

• High current Ith 1250 A for demanding AC isolation and switching.
• Four-pole design for complete multi-phase circuit isolation.
• Rated Ui 1000 V and Uimp 12 kV for insulation robustness.
• AC21A/AC22A/AC23A load ratings enable versatile application coverage.
• IP20 frontal protection enhances operator safety during panel operation.
• Durable construction with 10,000 mechanical life cycles.
• Sustainability certification supports responsible specification choices.

Technical Specification

• Product type designation: GE
• Number of poles: 4
• Operating voltage type: AC
• Ith (IEC): 1250 A
• Rated insulation voltage Ui (IEC/EN): 1000 V
• Rated impulse withstand voltage Uimp: 12 kV
• Operating current Ie AC21A 400 V: 1250 A
• Operating current Ie AC21A 500 V: 1250 A
• Operating current Ie AC21A 690 V: 1000 A
• Operating current Ie AC22A 400 V: 1250 A
• Operating current Ie AC22A 500 V: 1000 A
• Operating current Ie AC22A 690 V: 630 A
• Operating current Ie AC23A 400 V: 1000 A
• Operating current Ie AC23A 500 V: 800 A
• Operating current Ie AC23A 690 V: 500 A
• Power dissipation per pole (max): 78 W
• Rated operational power AC23A 400 V: 443 kW
• Rated operational power AC23A 690 V: 478 kW
• Conditional short-circuit current (rms): 72 kA
• Short-circuit protection fuse: gG1250
• Making capacity AC23A 400 V: 8000 A
• Breaking capacity AC23A 400 V: 6400 A
• Mechanical life: 10000 cycles
• Terminal tightening torque (max): 45 Nm
• Operating temperature: -25 to 55 °C
• Storage temperature: -40 to 70 °C
• Max altitude: 3000 m
• IP degree (frontal): IP20
• Pollution degree: 3

What’s Included

• Lovato GE1250T4 switch disconnector unit
• Basic installation and safety leaflet
• Protective packaging

Applications

• Main isolator in distribution switchboards and control panels
• Load switching and isolation for AC circuits up to 690 V
• Industrial machinery and process equipment isolation and maintenance switching
• Incomer and feeder isolation in heavy-duty industrial installations
• Motor feeder disconnection under AC23A utilisation categories

Safety note: Installation and maintenance must be performed by qualified electricians in accordance with IEC/EN 60947 and local regulations. Always de-energise circuits, apply appropriate gG1250 fuse protection, and use suitable PPE before working on the device.