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Overview
- 3-pole circuit breaker with B-characteristic tripping curve for low inrush current protection
- Rated current: 25 A, breaking capacity: 50 kA at 240/415V
- Supports voltages up to 400/690V AC and DC applications
- Dual tripping mechanism: thermal for overloads, electromechanical for short circuits
- Cage terminal for secure connections, DIN rail mounting
- Compliant with IEC/EN 60898-1 and IEC/EN 60947-2, worldwide approvals
- Fast arc extinction for enhanced safety and reliability
- Part of ABB S800S series with extensive accessory compatibility
Specifications
Amperage Rating | 25 A |
Amperage Rating, Maximum | 25 A |
Amperage Rating, Minimum | 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 / (480Y / 277 V AC) 14 kA / (600Y / 347 V AC) 6 kA |
Number of Poles | 3 |
Size | 82x110x108mm |
Special Features | The S803S-B25 is a 3-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 S803S-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 S803S-B25 more comfortable. Due to the fast arc extinction of S803S-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) / (480Y / 277 V AC) / (600Y / 347 V AC) |
Package Dimensions (L x W x H) | 3.39 IN x 4.13 IN x 3.9 IN |
Package Dimensions (L x W x H) | 8.6106 cm x 10.4902 cm x 9.906 cm |
Package Weight (Imperial) | 1.700 L |
Package Weight (Metric) | 0.771 kg |
Frequently Asked Questions
What is the breaking capacity of the S803S-B25?
The breaking capacity of the S803S-B25 is 50 kA at 240/415V. It also has an interrupting rating of 65 kA at 508V.
What standards does the S803S-B25 comply with?
The S803S-B25 complies with IEC/EN 60898-1 and IEC/EN 60947-2, ensuring it meets international safety and performance standards.
Is the S803S-B25 suitable for DIN rail mounting?
Yes, the S803S-B25 is designed for DIN rail mounting, providing easy installation and integration into electrical panels.
What is the tripping characteristic of the S803S-B25?
The S803S-B25 features a B-characteristic tripping curve, designed for circuits with low inrush currents such as lighting and small motor loads. It provides overload and short-circuit protection with a thermal and electromechanical tripping mechanism.
What is the withstand rating of the S803S-B25?
The S803S-B25 has a withstand rating of 50 kA, indicating its ability to handle short-circuit conditions without damage.
Can the S803S-B25 be used in residential applications?
Yes, the S803S-B25 is suitable for residential, commercial, and industrial applications due to its robust design and compliance with international standards.
What voltage ratings does the S803S-B25 support?
The S803S-B25 supports voltages up to 400/690V AC and is also suitable for DC applications.
What type of terminal does the S803S-B25 use?
The S803S-B25 uses a cage terminal for secure and convenient electrical connections.
How to Install the ABB S803S-B25 Circuit Breaker
Step-by-step guide to mounting and wiring the ABB S803S-B25 circuit breaker on a DIN rail.
Estimated time: 15m
Tools needed:
Phillips screwdriver, Wire strippers, Crimping tool
Supplies needed:
Mounting screws, Copper wire (appropriate gauge), Cable lugs (if required)
- Mount the circuit breaker
Position the S803S-B25 on a DIN rail in your electrical panel. Ensure the rail is clean and free of obstructions. Snap the breaker into place until it clicks securely.
- Connect the input and output wires
Strip the insulation from the input and output wires to the appropriate length. Insert the wires into the cage terminals on the breaker. For secure connections, use a crimping tool to attach cable lugs if needed. Tighten the terminal screws to the manufacturer's specified torque.
- Verify the connections
Double-check all connections to ensure they are tight and properly seated. Verify that the breaker is securely mounted on the DIN rail. Turn on the power and test the breaker to confirm it operates correctly.
Frequently Asked Questions about ABB - Electrification
What industries and applications are Jokab Safety products used for?
Jokab Safety products are specifically designed for machine safety applications across multiple critical industrial sectors, including Food and Beverage, Packaging, and Material Handling industries. Their safety solutions cover a wide range of machine safeguarding needs, such as safety light guards, safety controllers, safety relays, safety edges, safety mats, and two-hand control devices that protect personnel and equipment in complex industrial automation environments.
What technical support does Jokab Safety offer?
Jokab Safety offers comprehensive technical support through multiple channels, including a dedicated technical support phone line at (888) 385-1221 (Option 1) and email support at [email protected]. For advanced technical assistance, customers can contact their specialized Jokab Tech Support at (519) 982-0976 or email [email protected]. Additionally, they provide product specialist support through Jeff Leslie, who can be reached at (519) 982-0976, offering in-depth application and technical guidance.
What are the main product lines offered by Jokab Safety?
Jokab Safety offers a comprehensive range of machine safety products including safety light guards (Orion), safety controllers (Pluto), safety relays (Sentry), safety edges, safety contact mats, safety locks (Gkey), and safety sensors with OSSD and DYNlink interfaces. Their product lines are specifically designed for industrial applications in food and beverage, packaging, and material handling industries, providing robust safety solutions for machine guarding and personnel protection.
What are the key features of Jokab Safety products?
Jokab Safety products offer comprehensive industrial safety solutions with key features including: highest safety certification levels (up to PL e/Cat 4), extensive fault detection, multiple safety device types (optical safety devices, pressure sensitive devices, sensors, switches, locks, emergency stops), and innovative DYNlink technology that reduces cable requirements and simplifies installation. Their products are certified, verified, and compatible with major industrial automation systems like B&R, featuring easy M12 connector connections and a wide range of adapters to streamline safety implementation.
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.


















