1SDA073557R1 ABB E6.2H/f/MS 6300 4p WMP Switch Disconnector

Why Choose the ABB E6.2H/f/MS 6300 4p WMP Switch Disconnector?

The ABB E6.2H/f/MS 6300 4p WMP, order code 1SDA073557R1, is a high-capacity four-pole withdrawable air switch disconnector from the ABB SACE Emax 2 range. Designed for major low-voltage power distribution systems, this E6.2 H-performance device provides a substantial 6300 A rated uninterrupted current for industrial, infrastructure and other high-current switchboard applications.

The E6.2H/f/MS provides a rated short-time withstand current of 100 kA, delivering robust withstand capability for installations with high prospective fault currents. As an /MS switch-disconnector configuration, it is intended for controlled switching and electrical isolation, with appropriately coordinated protective equipment elsewhere in the installation providing automatic overload and short-circuit protection.

This model is supplied as the withdrawable moving part (WMP) in a four-pole configuration with a full-size neutral. Its 6300 A AC-21 and AC-23 ratings at 400 V, maximum rated operational voltage of 690 V AC and serviceable withdrawable architecture make the 1SDA073557R1 particularly suitable for demanding high-power distribution assemblies.

Key Advantages

• Exceptional 6300 A rated uninterrupted current for major low-voltage distribution systems.
• 100 kA rated short-time withstand current for demanding high-fault-level installations.
• Four-pole construction with full-size neutral for comprehensive switching and isolation.
• Withdrawable moving-part design supports inspection, servicing and equipment replacement.
• 690 V AC maximum rated operational voltage for industrial low-voltage networks.
• 6300 A AC-21 and AC-23 ratings at 400 V for high-current switching duties.
• Bolt-connected main circuit interface for robust switchboard integration.
• Part of the proven ABB SACE Emax 2 platform for critical power distribution.

Key Features

• ABB SACE Emax 2 E6.2H/f/MS air switch disconnector.
• 6300 A rated uninterrupted current (Iu).
• Four-pole configuration.
• Full-size neutral construction.
• 100 kA rated short-time withstand current (Icw).
• 690 V AC maximum rated operational voltage (Ue).
• 6300 A rated permanent current at AC-21, 400 V.
• 6300 A rated permanent current at AC-23, 400 V.
• Withdrawable moving part (WMP) configuration.
• Bolt-connected main circuit.
• IP30 front-side degree of protection.
• Main switch function supported.
• Interlockable construction for controlled switchboard operation.
• Optional motor drive and voltage release supported.

Reliable Withdrawable Isolation for Very High-Current Distribution

ABB SACE Emax 2 /MS switch disconnectors are designed for controlled switching and electrical isolation within low-voltage power distribution systems. The E6.2H/f/MS configuration combines the heavy-duty E6.2 mechanical platform with a full-size neutral and high-current electrical characteristics, providing a dedicated switching solution for installations where automatic protection is provided by appropriately coordinated equipment elsewhere in the system.

The withdrawable architecture allows the E6.2H/f/MS moving part to be separated from its corresponding fixed switchboard section, supporting inspection, servicing and replacement strategies. Combined with its exceptional 6300 A continuous-current capacity and 100 kA short-time withstand capability, the 1SDA073557R1 is particularly suited to major power-distribution assemblies where current capacity, fault withstand and serviceable isolation are critical requirements.

Typical Applications

• High-capacity main low-voltage distribution switchboards.
• Large industrial power distribution systems.
• Very high-current incoming and outgoing isolation duties.
• Transformer secondary distribution systems.
• Generator and standby power installations.
• Data centres and critical infrastructure.
• Manufacturing, process and heavy-industry switchgear.
• Withdrawable high-fault-level distribution assemblies.