1SDA056496R1 ABB E3H3200 PR121/P-LI 3200A 3P Fixed Air Circuit Breaker

Why Choose the ABB E3H3200 PR121/P-LI 3200A 3P Fixed Air Circuit Breaker?

The ABB E3H3200 PR121/P-LI, order code 1SDA056496R1, is a high-performance SACE Emax air circuit breaker designed for protection and switching in demanding low-voltage electrical distribution systems. This E3H breaker has a rated current of 3200 A, a three-pole configuration and ABB's PR121/P-LI R3200 electronic overcurrent release.

Designed for fixed installation with rear horizontal terminals, the E3H3200 provides robust permanent integration into compatible low-voltage switchboards and power distribution assemblies. Its E3H performance level supports applications with substantial prospective fault currents, including a rated ultimate short-circuit breaking capacity of 100 kA at 400 V AC, 50 Hz.

The PR121/P-LI electronic release provides long-time overload and instantaneous short-circuit protection. Combined with its 3200 A current rating, three-pole architecture and fixed construction, the 1SDA056496R1 is well suited to main incomers, high-current feeders and critical industrial power distribution circuits.

Key Advantages

• High-performance 3200 A SACE Emax E3H air circuit breaker for demanding low-voltage distribution.
• Three-pole configuration for three-phase power distribution applications.
• PR121/P-LI R3200 electronic overcurrent release provides long-time and instantaneous protection.
• Fixed construction with rear horizontal terminals supports permanent switchboard integration.
• Rated ultimate short-circuit breaking capacity of 100 kA at 400 V AC, 50 Hz.
• Four auxiliary contacts and open/closed position indication support monitoring and control.

Key Features

• ABB SACE Emax E3H air circuit breaker.
• 3200 A rated uninterrupted current.
• Three-pole configuration.
• PR121/P-LI R3200 electronic overcurrent release.
• LI protection functions for long-time overload and instantaneous short-circuit protection.
• Overload release current setting range of 1280–3200 A.
• Instantaneous short-circuit release adjustment range of 4800–48000 A.
• Rated voltage of 690 V AC.
• Rated ultimate short-circuit breaking capacity of 100 kA at 400 V AC, 50 Hz.
• Fixed installation with rear horizontal main terminals.
• Four auxiliary contacts with open/closed position indication.
• Optional motor operator capability for suitable control applications.

Reliable LI Protection for 3200A Power Distribution

Air circuit breakers such as the ABB SACE Emax E3H3200 protect high-current electrical distribution systems against damaging overload and short-circuit conditions. The PR121/P-LI electronic release combines long-time overload protection with instantaneous short-circuit protection, helping safeguard busbars, cables and connected electrical equipment.

The fixed construction and rear horizontal terminals support permanent integration into suitably designed switchboards. With its 3200 A rating, three-pole architecture and 100 kA ultimate short-circuit breaking capacity at 400 V AC, 50 Hz, the E3H3200 provides robust protection for demanding industrial and infrastructure power distribution systems.

Typical Applications

• Main incoming protection for high-current low-voltage switchboards.
• Industrial feeder and distribution circuit protection.
• Transformer and generator distribution applications.
• Manufacturing plants and process facilities.
• Commercial and infrastructure power distribution systems.
• Fixed switchgear requiring high-current electronic LI protection.