ABB - Electrification Signature Partner Distributor
ABB - Electrification S204MUC-K50 - All current System pro M compact® accessories can be combined easily with the new model line. Whether warehousing or project engineering, planning, installing or maintaining your equipment, the S 200 M UC is a simple and flexible solution.
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ABB - Electrification

S204MUC-K50


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Specification Sheet

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Overview

The ABB S204MUC-K50 is a 4-pole miniature circuit breaker (MCB) rated at 50A, designed for AC and DC applications within the System pro M compact® series by ABB - Electrification. This device is engineered for modular DIN rail mounting, offering reliable circuit protection in industrial, commercial, and infrastructure environments. The S204MUC-K50 features a C-type tripping characteristic, providing optimal performance for circuits with moderate inrush currents such as lighting, small motors, and general-purpose distribution. Key specifications include a rated short-circuit breaking capacity of 10 kA at 253V AC and 400V AC, with a rated ultimate short-circuit breaking capacity of 25 kA at 220V DC and 10 kA at 440V DC. The device delivers a power loss of 17.8W at rated operating conditions, with 4.44W per pole. It complies with IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring broad international and local regulatory acceptance. The S204MUC-K50 is fully compatible with all current System pro M compact® accessories, enabling seamless integration for warehousing, project engineering, installation, and maintenance operations. Its modular design simplifies planning and execution, reducing complexity for electrical professionals. The breaker is ideal for use in electrical panels, distribution boards, and control systems where precise circuit protection and modularity are critical. Compatible with DIN rail mounting, the S204MUC-K50 supports easy installation and retrofitting in existing systems. Its design allows for the addition of accessories such as auxiliary contacts, trip indicators, and shunt releases, enhancing versatility across applications. Whether deployed in new installations or as part of system upgrades, this MCB provides dependable protection against overloads and short circuits.
  • 4-pole configuration for comprehensive circuit isolation
  • 50A rated current with C-type tripping characteristic
  • Rated short-circuit breaking capacity: 10 kA at 253V AC / 400V AC
  • Power loss: 17.8W (4.44W per pole at rated conditions)
  • Compatible with System pro M compact® accessories for modular installations

Specifications

Amperage Rating
50 A
Amperage Rating, Maximum
50 A
Amperage Rating, Minimum
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.
Interrupt Rating
(500 V DC) 10 kA / (480Y / 277 V AC) 6 kA
Number of Poles
4
Size
82x110x108mm
Special Features
The miniature circuit breaker S 200 M UC extends the establishedABB System pro M compact® product range with an MCB for DC and AC applications. The S 200 M UC impresses with its performance range and the accordingly large amount of approvals. Its high inbuilt short circuit breaking capacity across theentire model line, its flexible AC and DC application and its approval and compliance in accordance with all major international and local standards make it truly unique.All current System pro M compact® accessories can be combined easily with the new model line. Whether warehousing or project engineering, planning, installing or maintaining your equipment, the S 200 M UC is a simple and flexible solution.
Standard
CSA 22.2 No. 235 / IEC/EN 60947-2 / UL 1077
Trip Type
K
Tripping Characteristic
K
Type
Contactors
Voltage Rating
(500 V DC) / (480Y / 277 V AC)
Package Dimensions (L x W x H)
2.28 IN x 3.62 IN x 3.15 IN
Package Dimensions (L x W x H)
5.7912 cm x 9.1948 cm x 8.001 cm
Package Weight (Imperial)
1.200 L
Package Weight (Metric)
0.544 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 of the S204MUC-K50?

The S204MUC-K50 has a rated current of 50A.

How many poles does the S204MUC-K50 have?

The S204MUC-K50 is a 4-pole Miniature Circuit Breaker.

Is the S204MUC-K50 compatible with System pro M compact® accessories?

Yes, all current System pro M compact® accessories are fully compatible with the S204MUC-K50.

Where is the S204MUC-K50 manufactured?

The S204MUC-K50 is manufactured in the US.

What is the UNSPSC code for the S204MUC-K50?

The UNSPSC code for the S204MUC-K50 is 39121603.

Can the S204MUC-K50 be used in industrial applications?

Yes, the S204MUC-K50 is designed for industrial, commercial, and infrastructure applications requiring reliable circuit protection.

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.