SCHNEIDER ELECTRIC iC60H D4A A9F89304

Schneider Electric Miniature Circuit Breaker 4A 3-Pole D-Curve iC60H A9F89304

Description

The Schneider Electric iC60H A9F89304 is a high-performance 3-pole miniature circuit breaker (MCB) from the Acti9 series. It provides robust protection for electrical circuits against both short-circuit and overload currents. With a 4A rating and a D-tripping characteristic, it is ideal for protecting circuits with high inrush currents, such as motors and transformers. This model includes an integrated SD+OF auxiliary contact, offering remote indication of the breaker’s status and fault conditions.

Specifications

• Manufacturer: Schneider Electric
• Part Number: A9F89304
• Series: Acti9 iC60H
• Rated Current: 4 A
• Number of Poles: 3P
• Tripping Curve: D
• Rated Voltage: 400V AC
• Breaking Capacity: 10 kA (IEC 60898-1)
• Mounting: DIN Rail

Label Info

• Brand: Schneider Electric
• Model: iC60H D 4A
• Auxiliary: SD+OF
• Standard: IEC/EN 60947-5-1

Application

This MCB is suitable for use in industrial control panels, commercial buildings, and machinery for the protection of motor circuits, transformer circuits, and other loads that exhibit high start-up currents.

Country of Origin

Made in India.

CO2 Impact

By purchasing this reconditioned component, you are avoiding the emission of 14.0 kg of CO2. This is equivalent to the savings from not driving a car for 70 kilometers.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

Question?

What is the function of the integrated ‘SD+OF’ auxiliary contact on this iC60H breaker?

Answer?

The SD+OF is a combination auxiliary contact. The ‘OF’ (Auxiliary Switch) contact changes state when the breaker is manually or automatically tripped, indicating its open/closed status. The ‘SD’ (Fault Signal) contact changes state only when the breaker trips due to a fault (overload or short-circuit), allowing you to distinguish a fault trip from a manual switch-off.

Question?

What does the ‘D-Curve’ characteristic mean for this 4A circuit breaker?

Answer?

The ‘D-Curve’ (or D-characteristic) is a tripping curve designed for circuits with very high inrush currents, such as motors, transformers, and power supplies. It allows a high, brief surge of current without tripping, but will trip on sustained overloads or short circuits. It trips between 10 and 20 times the rated current (In).

Question?

Can this A9F89304 breaker be used in both AC and DC systems?

Answer?

While the primary application for iC60H breakers is AC systems, they do have a DC rating. According to the Schneider Electric datasheet, this model is typically rated for up to 72V DC per pole. However, you must always consult the specific product datasheet for the correct DC voltage ratings and connection diagrams, as these can vary.

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Last Update: Friday, March 13, 2026