ABB S111-K10 S111 Series Screw-in Circuit Breaker

SKU S111-K10

In stock

12-month warranty
Free returns within 30 days

Manufacturer: ABB
Product No.: S111-K10
Country of origin:Sweden
Product Type: Screw-in Circuit Breakers
Barcode: 85371091
Payment: T/T, Western Union
Weight: 50g
Shipping port: Xiamen
Warranty: 12 months

Description

Engineered for seamless integration into legacy and specialized electrical distribution systems, the ABB S111-K10 functions as a high-reliability screw-in miniature circuit breaker. Designed to directly replace traditional screw-in fuse links, this device features a standard E27 thread base, enabling quick retrofitting without requiring complete panel upgrades. The unit incorporates a thermal-magnetic tripping mechanism to deliver precise overcurrent and short-circuit protection, combining the convenience of a modern, resettable circuit breaker with the physical form factor of legacy fuse systems.

By utilizing the K-tripping characteristic, the ABB S111-K10 is highly suited for safeguarding control circuits, auxiliary systems, and loads with moderate inrush currents. This device ensures minimized downtime through its immediate manual reset capability following a fault, eliminating the ongoing maintenance overhead and waste associated with disposable melt fuses.

Features

Direct screw-in installation utilizing a standard E27 thread base for rapid retrofitting.
Thermal-magnetic trip mechanism provides robust overcurrent and short-circuit protection.
Resettable design eliminates the requirement for replacement fuse links after tripping events.
K-characteristic curve optimized for sensitive equipment and circuits with transient inrush currents.
Clear mechanical status indication for straightforward operational diagnostics.

Applications

Modernization of legacy residential and commercial distribution panels.
Overcurrent protection in industrial control systems and auxiliary circuits.
Machinery control panels requiring compact, socket-mounted circuit protection.
Facility maintenance and retrofitting where panel space or configuration restricts DIN-rail mounting.

Technical Specifications

Manufacturer	ABB
Model / Part Number	S111-K10
Product Type	Screw-in-type Circuit Breaker
Base Thread Type	E27
Rated Current (In)	10 A
Tripping Characteristic	K-curve
Weight	0.05 kg
Commodity Code	85371091

Installation Guidelines

Prior to installation, ensure the target electrical circuit is completely de-energized and locked out.
Inspect the existing E27 socket for dirt, corrosion, or damage before inserting the circuit breaker.
Thread the device into the socket manually, turning clockwise until firmly seated. Do not apply excessive torque to prevent cracking the socket casing.
Verify that the rated load of the branch circuit does not exceed the 10 A capacity of the device.

FAQ

What is the primary function of the ABB S111-K10?

The ABB S111-K10 is a screw-in miniature circuit breaker designed to replace standard E27 screw-in fuses, providing resettable overcurrent and short-circuit protection.

Can I reuse the S111-K10 after it trips?

Yes. Unlike traditional melt fuses, this device is resettable. Once the fault condition on the circuit is resolved, you can manually reset the breaker to restore power.

What socket type does this circuit breaker fit into?

It is designed with a standard E27 screw thread base, allowing it to screw directly into compatible E27 fuse sockets.

What is the current rating of the S111-K10?

The device has a rated operational current of 10 Amps.

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Shipping & Returns

Global Express Shipping

Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our technical warranty.

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Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

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