ABB - Electrification Signature Partner Distributor
ABB - Electrification S803S-K8 - The S803S-K8 is a 3-pole High Performance Circuit breaker with K-Characteristic, with cage terminal and a rated current of 8 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-K8 complies with IEC/EN 60947-2 and allows the use for industrial applications. It has numerous of approvals, therefore it can be used worldwide. The extensive range of accessory makes the use of S803S-K8 more comfortable. Due to the fast arc extinction of S803S-K8 your application will be secured.
ABB - Electrification

S803S-K8

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Specification Sheet

Contact for Pricing

Overview

The ABB S803S-K8 is a 3-pole high-performance circuit breaker designed for industrial and commercial electrical protection. This model features a K-characteristic tripping curve, optimized for circuits with high inrush currents such as motors, transformers, and inductive loads. Rated at 8 A, it delivers a maximum breaking capacity of 50 kA at 240/415 V AC, ensuring robust short-circuit protection. The S803S-K8 supports operation at voltages up to 400/690 V AC and is also suitable for DC applications, making it versatile for global installations. It includes cage terminals for secure and efficient electrical connections, reducing installation time and improving reliability. The circuit breaker incorporates two distinct tripping mechanisms: a thermal mechanism for overload protection and an electromechanical mechanism for short-circuit protection. Compliance with IEC/EN 60947-2 standards ensures compliance with international safety and performance requirements. With a withstand rating of 50 kA, the S803S-K8 minimizes damage to downstream equipment during fault conditions. Fast arc extinction enhances application safety and reduces potential downtime. Manufactured by ABB - Electrification in the US, the S803S-K8 is part of the E1.2S-A series and is designed for use in industrial environments where reliable protection and durability are critical. Numerous global approvals facilitate its use in international installations. An extensive range of accessories is available to enhance installation comfort and functionality.
  • 3-pole circuit breaker with K-characteristic tripping curve for high inrush currents
  • Rated current: 8 A, breaking capacity: 50 kA at 240/415 V AC
  • Supports voltages up to 400/690 V AC and DC applications
  • Thermal and electromechanical tripping mechanisms for overload and short-circuit protection
  • Cage terminals for secure and efficient electrical connections

Specifications

Amperage Rating
8 A
Amperage Rating, Maximum
8 A
Amperage Rating, Minimum
8 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.
Connection Type
cage terminal
Current Rating
8 A
Interrupt Rating
(240 V AC) 30 kA / (480Y / 277 V AC) 14 kA / (600Y / 347 V AC) 6 kA
Number of Poles
3
Poles
3
Poles
3-pole
Series
S803S
Size
82x110x108mm
Special Features
The S803S-K8 is a 3-pole High Performance Circuit breaker with K-Characteristic, with cage terminal and a rated current of 8 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-K8 complies with IEC/EN 60947-2 and allows the use for industrial applications. It has numerous of approvals, therefore it can be used worldwide. The extensive range of accessory makes the use of S803S-K8 more comfortable. Due to the fast arc extinction of S803S-K8 your application will be secured.
Standard
IEC/EN 60947-2 / UL 1077
Trip Type
K
Tripping Characteristic
K
Type
Contactors
Voltage Rating
(240 V AC) / (480Y / 277 V AC) / (600Y / 347 V AC)
Voltage Rating
400/690V
Voltage Rating
400/690 V AC, DC
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
One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

LCMA6-8-C

One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.
JB5-2 2 POLE JUMPER 5.2MM SPACING

1SNK905302R0000

JB5-2 2 POLE JUMPER 5.2MM SPACING
JB5-5 5 POLE JUMPER 5.2MM SPACING

1SNK905305R0000

JB5-5 5 POLE JUMPER 5.2MM SPACING
Ground Lug

DNGL

Ground Lug
ZCT,LZR-030(V),EMPR,EXP

76512124011

ZCT,LZR-030(V),EMPR,EXP
INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M

83411621001

INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M

Frequently Asked Questions

What is the rated current and breaking capacity of the S803S-K8?

The S803S-K8 has a rated current of 80A and a maximum breaking capacity of 50kA at 400V AC.

What is the rated voltage for AC and DC applications?

The rated voltage is 400V AC for AC applications and 220V DC for DC applications.

What standards does the S803S-K8 comply with?

The S803S-K8 complies with IEC/EN 60947-2 and UL 489 standards.

What are the tripping mechanisms in the S803S-K8?

It features thermal tripping for overload protection and electromechanical tripping for short-circuit protection.

What is the power loss per pole under rated operating conditions?

The power loss per pole at rated operating conditions is 13W.

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.

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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.

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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.

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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.