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Siemens Miniature Circuit Breaker 400 V 10kA 4-Pole C 20 A 5SL4420-7
The Siemens Miniature Circuit Breaker 400 V 10kA 4-Pole C 20 A 5SL4420-7 is a high-performance circuit protection device designed to ensure reliable safeguarding of electrical installations against overloads and short circuits. Manufactured by Siemens, this miniature circuit breaker (MCB) is engineered for demanding industrial automation systems, commercial infrastructures, control panels, and power distribution networks. With a 400 V rated voltage, 20 A current rating, 4-pole configuration, C-curve tripping characteristic, and a high 10 kA breaking capacity, the 5SL4420-7 delivers dependable protection and stable system operation in critical electrical environments.
Key Features
• High 10 kA breaking capacity for superior fault current interruption and equipment protection
• 4-pole configuration ensures complete protection for three phases and neutral conductor
• C-curve tripping characteristic suitable for general-purpose loads, motors, and automation systems
• Compact modular design enables efficient DIN rail mounting in distribution boards and panels
• Siemens-engineered reliability ensures long service life, safety, and consistent performance
Specifications
• Manufacturer: Siemens
• Product Type: Miniature Circuit Breaker (MCB)
• Part Number: 5SL4420-7
• Rated Voltage: 400 V AC
• Current Rating: 20 A
• Breaking Capacity: 10 kA
• Pole Count: 4 Pole
• Tripping Characteristic: C Curve
• Frequency: 50/60 Hz
• Mounting Type: DIN Rail Mounting
• Application: Overload and short-circuit protection
• Construction: Industrial-grade thermoplastic insulated housing
• Standards Compliance: IEC-compliant design
• Brand: Siemens
• Availability: On Request
The Siemens Miniature Circuit Breaker 400 V 10kA 4-Pole C 20 A 5SL4420-7 provides reliable protection for three-phase electrical systems with neutral protection, ensuring safe and efficient operation in industrial and commercial applications. Built to Siemens’ globally trusted engineering standards, this MCB helps protect valuable equipment, reduce downtime, and maintain stable electrical performance. For pricing, availability, or technical support, contact Ram Automations at info@ramautomations.com and discover the ideal circuit protection solution for your requirements.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
