ABB - Electrification Signature Partner Distributor
ABB - Electrification S802S-K50 - The S802S-K50 is a 2-pole High Performance Circuit breaker with K-Characteristic, with cage terminal and a rated current of 50 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 S802S-K50 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 S802S-K50 more comfortable. Due to the fast arc extinction of S802S-K50 your application will be secured.
ABB - Electrification

S802S-K50


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Specification Sheet

Contact for Pricing

Overview

The ABB S802S-K50 is a 2-pole high-performance circuit breaker designed for precise electrical protection in residential, commercial, and industrial applications. Rated at 50 A with a K-characteristic trip curve, it provides optimized response for inductive and motor loads, ensuring reliable operation under overload and short-circuit conditions. The S802S-K50 features a cage terminal for secure and vibration-resistant wire connections, eliminating the need for additional ferrules or lugs. With a maximum breaking capacity of 50 kA at 240/415 V AC, it supports operational voltages up to 400/690 V AC and is also suitable for DC systems. The breaker incorporates two independent tripping mechanisms: a thermal tripping unit for overload protection, which responds to sustained overcurrent conditions, and an electromechanical tripping unit for short-circuit protection, ensuring rapid fault current interruption. Compliance with IEC/EN 60898-1 and IEC/EN 60947-2 standards, along with multiple global approvals, makes the S802S-K50 suitable for worldwide deployment across diverse electrical installations. The fast arc extinction capability minimizes arc duration during fault conditions, reducing equipment damage and system downtime. The extensive range of accessories available for the S802S-K50 enhances installation flexibility and operational convenience, allowing for customized configurations to meet specific application requirements. Typical applications include motor circuits, transformers, and distribution panels where precise overload and short-circuit protection is critical.
  • 2-pole circuit breaker with K-characteristic trip curve for inductive and motor loads
  • Rated current: 50 A, cage terminal for secure wire connections
  • Maximum breaking capacity: 50 kA at 240/415 V AC
  • Operational voltage range: up to 400/690 V AC and DC systems
  • Compliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards

Specifications

Amperage Rating
50 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
50 A
Interrupt Rating
(240 V AC) 30 kA / (480Y / 277 V AC) 14 kA / (600Y / 347 V AC) 6 kA
Number of Poles
2
Poles
2
Poles
2P
Series
S802S
Size
82x110x108mm
Special Features
The S802S-K50 is a 2-pole High Performance Circuit breaker with K-Characteristic, with cage terminal and a rated current of 50 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 S802S-K50 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 S802S-K50 more comfortable. Due to the fast arc extinction of S802S-K50 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
400/690 VAC
Voltage Rating
400/690 V
Package Dimensions (L x W x H)
2.36 IN x 4.13 IN x 3.9 IN
Package Dimensions (L x W x H)
5.9944 cm x 10.4902 cm x 9.906 cm
Package Weight (Imperial)
1.120 L
Package Weight (Metric)
0.508 kg
Ground Lug

DNGL

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

83411621001

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

76512124011

ZCT,LZR-030(V),EMPR,EXP
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
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.

Frequently Asked Questions

What is the rated current of the S802S-K50 circuit breaker?

The S802S-K50 has a rated current of 50 A.

What is the breaking capacity of the S802S-K50 at 400V AC?

The maximum breaking capacity at 400V AC is 50 kA.

What is the rated voltage for the S802S-K50 circuit breaker?

The rated voltage is 400/415V AC.

What standards does the S802S-K50 comply with?

It complies with IEC/EN 60947-2 and UL 489 standards.

What types of applications is the S802S-K50 suitable for?

It is suitable for residential, commercial, and industrial applications.

What are the tripping mechanisms of the S802S-K50?

It has thermal tripping for overload protection and electromechanical tripping for short circuit protection.

What is the tripping characteristic of the S802S-K50?

The tripping characteristic is K.

What is the number of poles for the S802S-K50?

The number of poles is 4.

Does the S802S-K50 support DC voltage applications?

Yes, it can be used for voltages up to 250V DC.

What is the power loss per pole for the S802S-K50?

The power loss at rated operating conditions per pole is 2.5 W.

Frequently Asked Questions about ABB - Electrification

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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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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 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.

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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.

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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.

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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.