ABB - Electrification S801S-B25 - The S801S-B25 is a 1-pole High Performance Circuit breaker with B-characteristic, with cage terminal and a rated current of 25 A. It is a current limiting device with a maximum breaking capacity of 50kA at 240/415V. It can be used for voltages up to 400/690V and in DC as well. It has two different tripping mechanisms, the thermal tripping mechanism for overload protection and the electromechanic tripping mechanism for short circuit protection. The S801S-B25 complies with IEC/EN 60898-1 and IEC/EN 60947-2 and allows the use for residential, commercial and industrial applications. It has numerous of approvals, therefore it can be used worldwide. The extensive range of accessory makes the use of S801S-B25 more comfortable. Due to the fast arc extinction of S801S-B25 your application will be secured.
ABB - Electrification

S801S-B25

Contact for Pricing

Overview

The ABB S801S-B25 is a high-performance 1-pole miniature circuit breaker designed for robust protection in residential, commercial, and industrial applications. Rated at 25A with a B-tripping characteristic, this device provides precise overload and short-circuit protection for circuits up to 400/690V AC and DC systems. Engineered with a maximum breaking capacity of 50kA at 240/415V, the S801S-B25 ensures reliable fault interruption while minimizing arc energy for enhanced safety. Key features include dual tripping mechanisms: a thermal trip for overload protection and an electromechanical trip for short-circuit events. The cage terminal design allows for secure, tool-free connections with copper conductors ranging from 1 to 50 mm² (flexible) or 1 to 70 mm² (solid), compatible with a tightening torque of 3.5 Nm. Compliance with IEC/EN 60898-1 and IEC/EN 60947-2 standards ensures global applicability, while extensive accessory compatibility (e.g., auxiliary contacts, trip indicators) enhances installation flexibility. Ideal for protecting sensitive electronics, motors, and distribution panels, the S801S-B25 is optimized for DIN rail mounting (EN 60715) and operates reliably in any position. Its fast arc extinction technology reduces downtime and equipment damage during fault conditions. With a mechanical endurance of 20,000 operations and shock resistance up to 25g, this circuit breaker delivers long-term durability in demanding environments. The device is manufactured in the US and distributed by Gross Automation for immediate availability.
  • 1-pole miniature circuit breaker with B-tripping characteristic for precise overload/short-circuit protection
  • Rated current: 25A, voltage rating: 400/690V AC/DC, breaking capacity: 50kA at 240/415V
  • Cage terminal for secure connections (1–50 mm² flexible, 1–70 mm² solid copper), torque: 3.5 Nm
  • Compliant with IEC/EN 60898-1, IEC/EN 60947-2; suitable for residential, commercial, and industrial use
  • Fast arc extinction, 20,000 mechanical operations endurance, shock-resistant (25g)

Specifications

Amperage Rating
25 A
Application
Mainly used for controlling 3-phase motors and generally for controlling power circuits up to 690 V AC and 220 V DC. The contactors can also be used for many other applications such as bypass, capacitor switching, lighting, DC power circuits.
Interrupt Rating
(240 V AC) 30 kA / (277 V AC) 14 kA / (347 V AC) 6 kA
Number of Poles
1
Size
82x110x108mm
Special Features
The S801S-B25 is a 1-pole High Performance Circuit breaker with B-characteristic, with cage terminal and a rated current of 25 A. It is a current limiting device with a maximum breaking capacity of 50kA at 240/415V. It can be used for voltages up to 400/690V and in DC as well. It has two different tripping mechanisms, the thermal tripping mechanism for overload protection and the electromechanic tripping mechanism for short circuit protection. The S801S-B25 complies with IEC/EN 60898-1 and IEC/EN 60947-2 and allows the use for residential, commercial and industrial applications. It has numerous of approvals, therefore it can be used worldwide. The extensive range of accessory makes the use of S801S-B25 more comfortable. Due to the fast arc extinction of S801S-B25 your application will be secured.
Standard
IEC/EN 60947-2 / IEC/EN 60898-1 / UL 1077
Trip Type
B
Tripping Characteristic
B
Type
Contactors
Voltage Rating
(240 V AC) / (277 V AC) / (347 V AC)
Package Dimensions (L x W x H)
1.3 IN x 4.13 IN x 3.9 IN
Package Dimensions (L x W x H)
3.302 cm x 10.4902 cm x 9.906 cm
Package Weight (Imperial)
1.000 L
Package Weight (Metric)
0.454 kg
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Frequently Asked Questions about ABB - Electrification

What certifications and standards do ABB - Electrification products comply with?

ABB - Electrification products comply with a comprehensive range of international certifications and standards, including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products meet critical international standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, and marine classification standards from Bureau Veritas, DNV, and Lloyd's Register of Shipping.

What industries and applications are ABB - Electrification products used for?

ABB - Electrification products are engineered for critical applications across multiple industries, including Energy, Oil & Gas, Manufacturing, Power Generation, HVAC, Marine, Food & Beverage, Mining, Pulp & Paper, Water Treatment, and Automotive. Their solutions cover essential electrical infrastructure needs such as switchgear, power distribution systems, circuit protection, digital control technologies, and drive systems designed for high-reliability environments with a strong focus on sustainability, efficiency, and safety.

What technical support does ABB - Electrification offer?

ABB - Electrification offers comprehensive technical support through multiple channels, including a dedicated technical support hotline at 888-385-1221 (Option 1), available 7:00 a.m. - 5:00 p.m. CST, Monday-Friday. Their support services encompass 24/7/365 emergency services, on-site support, remote monitoring and diagnostics, installation and commissioning, equipment assessments, repair coordination, and multi-vendor technical assistance. Customers can also access resources like personnel safety training, disaster recovery support, and service agreements tailored to their specific electrification needs.

What are the main product lines offered by ABB - Electrification?

ABB - Electrification offers a comprehensive range of electrical distribution and protection products, including circuit monitoring systems, panelboards, switchgear, motor control centers, circuit breakers, softstarters, and power distribution solutions. Key product lines span low and medium voltage applications across utilities, commercial, industrial, healthcare, and manufacturing sectors, with specialized offerings like the ReliaGear® panelboards, SMISSLINE TP bus systems, and Ekip UP protection and metering relays.

What are the key features of ABB - Electrification products?

ABB - Electrification products feature advanced integrated design elements that enhance industrial performance and reliability. Key features include harmonics and EMC design, integrated DC choke, removable terminals for fast installation, USB ports for troubleshooting, and integrated Safe Torque Off (STO) functionality. The products deliver superior motor control capabilities, support both induction and permanent magnet motors, and offer robust operational features like side-by-side mounting without derating and operation at temperatures up to 45°C. Additionally, ABB's Electrification solutions emphasize digital innovation, with technologies like Novolink enabling predictive maintenance, enhanced analytics, and seamless system integration.

What communication protocols do ABB - Electrification products support?

ABB - Electrification products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, DeviceNet, and IEC 61850. These protocols enable flexible connectivity across multiple industrial automation platforms, with support for various network topologies and high-speed data transmission up to 100 Mbps.

What environmental ratings do ABB - Electrification products have?

ABB - Electrification products feature robust environmental ratings across multiple standards, including IP54 to IP66 protection levels and NEMA Type 1 to Type 4X enclosures. These ratings ensure equipment can withstand challenging industrial environments, providing dust-tight, water-resistant, and corrosion-resistant protection for indoor and outdoor applications.

What accessories are available for ABB - Electrification products?

ABB - Electrification offers a comprehensive range of accessories across multiple product lines, including auxiliary contact blocks, signaling contacts, shunt trips, undervoltage releases, electronic timers, interlocks, interface relays, mounting pieces, terminal blocks, and connection accessories. These accessories are designed to enhance functionality, improve connectivity, and provide additional protection for industrial control systems, with many accessories being compatible with SMISSLINE TP plug-in distribution systems and Unifix AD busbar systems.

How are ABB - Electrification products typically installed?

ABB - Electrification products are installed through a professional, systematic process that includes precise equipment verification, secure electrical connections, and comprehensive testing. Installation typically involves verifying foundation requirements, assembling equipment, connecting busbars and control cables, establishing earthing systems, and conducting thorough pre-commissioning and commissioning tests to ensure optimal performance, reliability, and safety.

What is ABB - Electrification's warranty policy?

ABB - Electrification offers a standard 1-year factory warranty for most electrification products, with options to extend warranty coverage up to 5 years for specific product lines like low voltage circuit breakers. Extended warranty requires online registration through ABB's Extended Warranty Tool, which verifies the product application and provides additional coverage for manufacturing defects and factory-mounted accessories.