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GL1250T4C1 Lovato 4P SWITCH DISCONNECTOR 1250A AC21A C1
Lovato GL1250T4C1 four-pole AC switch disconnector rated at 1250 A AC-21A, designed for reliable high-current switching and electrical isolation in industrial power distribution systems.
£1,121.28
Why Choose the Lovato GL1250T4C1 1250 A Four-Pole Switch Disconnector?
The Lovato GL1250T4C1 is a heavy-duty four-pole AC switch disconnector designed for dependable switching and electrical isolation in high-current industrial and power distribution applications. As part of the Lovato GL switch disconnector series, it provides a conventional free-air thermal current rating of 1250 A and robust performance for demanding low-voltage installations.
The four-pole configuration enables simultaneous isolation of all four conductors in suitable three-phase systems, making the GL1250T4C1 particularly useful where neutral switching is required. Its high short-circuit withstand capability, robust mechanical construction and flexible mounting orientation make it suitable for industrial switchboards, distribution equipment and high-power machinery.
The GL1250T4C1 is rated at 1250 A AC-21A from 400–1000 V AC and 1250 A AC-23A up to 690 V AC. With a rated insulation voltage of 1000 V, a 12 kV impulse withstand voltage and a conditional short-circuit current of 100 kA, it provides the electrical performance required for demanding high-current distribution and isolation duties.
Key Advantages
- Heavy-duty 1250 A four-pole switch disconnector for high-current applications.
- Four-pole configuration suitable for applications requiring simultaneous switching of three phases and neutral.
- 1250 A AC-21A rating from 400–1000 V AC.
- 1250 A AC-23A rating up to 690 V AC for demanding load switching.
- High 100 kA conditional short-circuit current.
- 50 kA rated short-time withstand current for 1 s.
Key Features
- Lovato GL switch disconnector series.
- 1250 A conventional free-air thermal current at temperatures up to 40 °C.
- Four-pole AC switching configuration.
- 1000 V rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- 710 kW AC-23A operational power at 400 V.
- 1000 kW AC-23A operational power at 690 V.
- M12 terminals designed for high-current busbar connections.
Reliable Four-Pole Isolation for High-Current Power Systems
Switch disconnectors such as the Lovato GL1250T4C1 provide a reliable means of manually switching and isolating electrical circuits. Its four-pole configuration enables four conductors to be switched together, making it suitable for three-phase systems where neutral isolation is required as part of the electrical design.
The GL series is engineered for demanding industrial applications where high current capacity, short-circuit performance and dependable mechanical operation are essential. The GL1250T4C1 combines a 1250 A thermal rating with high AC-23A switching capability and robust busbar connections for integration into industrial power distribution systems and switchboards.
Typical Applications
- Industrial low-voltage switchboards.
- Three-phase and neutral electrical distribution systems.
- High-current industrial power distribution.
- Main electrical isolation points.
- Industrial machinery and production equipment.
- Manufacturing and process plant electrical installations.
Technical Specifications
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| Current | 1250 A | |
|---|---|---|
| Device Type | Switch Disconnector | |
| Power | 710 kW | |
| Product Series | Lovato GL | |
| Poles | 4-pole | |
| HS Code | 85365080 | |
| Manufacturer | Lovato Electric | |
| Series | GL Switch Disconnectors | |
| Model | GL1250T4C1 | |
| Product type | AC switch disconnector | |
| Number of poles | 4 | |
| Operating voltage type | AC | |
| Conventional free-air thermal current Ith ≤ 40 °C | 1250 A | |
| Rated operational current AC-21A at 400 V | 1250 A | |
| Rated operational current AC-21A at 500 V | 1250 A | |
| Rated operational current AC-21A at 690 V | 1250 A | |
| Rated operational current AC-21A at 1000 V | 1250 A | |
| Rated operational current AC-22A at 400–690 V | 1250 A | |
| Rated operational current AC-23A at 400–690 V | 1250 A | |
| Rated insulation voltage Ui | 1000 V | |
| Rated impulse withstand voltage Uimp | 12 kV | |
| Rated operational power AC-23A at 400 V | 710 kW | |
| Rated operational power AC-23A at 690 V | 1000 kW | |
| Maximum power dissipation per pole | 63 W | |
| Rated short-time withstand current Icw (1 s) | 50 kA | |
| Conditional short-circuit current | 100 kA | |
| Short-circuit fuse protection | gG 1250 A | |
| Making capacity AC-23A at 400 V | 12500 A | |
| Breaking capacity AC-23A at 400 V | 10000 A | |
| Mechanical life | 3000 cycles | |
| Installation type | Screw mounting on plate | |
| Operating position | Any orientation permitted | |
| Terminal type | M12 | |
| Terminal tightening torque | 50–75 Nm | |
| Minimum IEC busbar arrangement | 2 × 50 × 8 mm busbars | |
| Operating temperature | -25 to +55 °C | |
| Storage temperature | -40 to +70 °C | |
| Maximum installation altitude | 3000 m | |
| Weight | 20 kg | |
| Compliance | IEC/EN/BS 60947-1, IEC/EN/BS 60947-3 |
Frequently Asked Questions
What is the Lovato GL1250T4C1 used for?
The GL1250T4C1 is used for switching and safely isolating high-current AC electrical circuits in industrial switchboards, machinery and power distribution systems.
What is the current rating of the Lovato GL1250T4C1?
The GL1250T4C1 has a conventional free-air thermal current rating of 1250 A and is rated at 1250 A AC-21A from 400–1000 V AC.
How many poles does the GL1250T4C1 have?
The GL1250T4C1 is a four-pole switch disconnector, allowing four conductors to be switched simultaneously and making it suitable for applications where three phases and neutral require isolation.
What is the short-circuit withstand rating of the GL1250T4C1?
The switch disconnector has a rated short-time withstand current of 50 kA for 1 s and a conditional short-circuit current rating of 100 kA.
What standards does the Lovato GL1250T4C1 comply with?
The GL1250T4C1 complies with IEC/EN/BS 60947-1 and IEC/EN/BS 60947-3 standards for low-voltage switching equipment and switch disconnectors.
Trusted Industrial Switching from Lovato Electric
Lovato Electric GL switch disconnectors provide robust high-current switching and electrical isolation for industrial distribution systems, switchboards and machinery where dependable operation and high electrical performance are required.
