ABB - Electrification Signature Partner Distributor
ABB - Electrification S203MUC-B40 - 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.
ABB - Electrification

S203MUC-B40


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Specification Sheet

Contact for Pricing

Overview

The ABB S203MUC-B40 is a 3-pole Miniature Circuit Breaker (MCB) from the System pro M compact® line, designed for reliable circuit protection in industrial and commercial electrical systems. Part of the S200 M UC series, this MCB operates on the C-trip characteristic curve, providing precise overload and short-circuit protection for downstream equipment. The S203MUC-B40 features a black plastic bezel and weighs 0.046 kg per unit, with a single-piece packaging quantity for streamlined logistics and inventory management. Engineered for compatibility with all current System pro M compact® accessories, the S203MUC-B40 simplifies system integration, planning, installation, and maintenance. Its modular design allows for effortless combination with auxiliary devices, signaling contacts, and other accessories, reducing project complexity and downtime. The C-curve operation ensures optimal performance for general-purpose applications, including lighting circuits, small motors, and distribution panels where moderate inrush currents are expected. The ABB S203MUC-B40 is manufactured in the US, adhering to ABB’s global quality standards for electrical protection devices. With a UNSPSC code of 39121603, it is classified for use in electrical distribution systems, ensuring compliance with industry standards. The product’s compact form factor and standardized interface make it ideal for space-constrained installations, while its robust construction ensures long-term reliability in demanding environments. Key applications include commercial buildings, industrial facilities, data centers, and infrastructure projects where dependable circuit protection is critical. The S203MUC-B40’s compatibility with the System pro M compact® ecosystem enables scalable solutions, allowing for easy upgrades or expansions without system redesign. Trust ABB’s legacy of innovation to deliver a dependable MCB that meets the evolving needs of modern electrical installations. This specific model, SKU S203MUC-B40, is a 3-pole device with a 40A rating and a black plastic bezel.
  • ABB S203MUC-B40 3-pole Miniature Circuit Breaker (MCB)
  • 40A current rating
  • C-trip characteristic curve for overload and short-circuit protection
  • Black plastic bezel
  • Compatible with all System pro M compact® accessories

Specifications

Amperage Rating, Maximum
40 A
Amperage Rating, Minimum
40 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.
Color
Black
Color
Blue
Current Rating
40 A
Interrupt Rating
(500 V DC) 10 kA / (480Y / 277 V AC) 6 kA
Material
Plastic
Material
Poly
Number of Poles
3
Poles
3P
Poles
3-pole
Poles
3
Series
S200 M UC
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
IEC/EN 60898-1 / IEC/EN 60947-2
Tripping Characteristic
B
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)
1.680 L
Package Weight (Metric)
0.762 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 operating principle of the ABB S203MUC-B40?

The ABB S203MUC-B40 operates on the C-trip characteristic curve.

What color is the bezel on the ABB S203MUC-B40?

The ABB S203MUC-B40 features a black plastic bezel.

What is the weight of a single ABB S203MUC-B40 unit?

The weight of a single ABB S203MUC-B40 unit is 0.046 kg.

Is the ABB S203MUC-B40 compatible with System pro M compact accessories?

Yes, all current System pro M compact® accessories can be combined easily with the ABB S203MUC-B40.

What is the UNSPSC code for the ABB S203MUC-B40?

The UNSPSC code for the ABB S203MUC-B40 is 39121603.

Where is the ABB S203MUC-B40 manufactured?

The ABB S203MUC-B40 is manufactured in the US.

What is the packaging quantity for the ABB S203MUC-B40?

The packaging quantity for the ABB S203MUC-B40 is 1 piece.

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.