ABB Signature Partner Distributor (Electrification)
ABB - Electrification SU203MR-K35 - SU203MR-K35 MCB K-Char., 10kA, 35A, 3P, RTT UL 489, Ring Cable Lug
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ABB Electrification SU203MR-K35 SU203MR-K35 MCB K-Char., 10kA, 35A, 3P, RTT UL 489, Ring Cable Lug


Documents & Media
Specification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The ABB SU203MR-K35 is a 3-pole molded case circuit breaker (MCB) designed for reliable overcurrent and short-circuit protection in industrial and commercial power distribution systems. This unit features a 35A current rating and a 10kA breaking capacity at 508V, making it suitable for high-performance applications. Its K-characteristic trip curve is optimized for applications with higher inrush currents, such as motor circuits, transformers, and inductive loads, providing precise protection while minimizing nuisance tripping. Certified to UL 489 standards, the SU203MR-K35 ensures compliance with North American safety and performance requirements for branch circuit protection. The integrated ring cable lug connection simplifies wiring for panel builders and electrical contractors, reducing installation time and improving reliability. Manufactured by ABB Electrification in the US, this MCB is part of the SU203MR series, known for durability and precision. The specific catalog description is SU203MR-K35 MCB K-Char., 10kA, 35A, 3P, RTT UL 489, Ring Cable Lug. This device is designed, tested, and manufactured to meet stringent UL 489 requirements for molded case circuit breakers, ensuring long-term performance in demanding environments. The ABB SU203MR-K35 is built to the E4.2S-A size specification and offers a 65kA withstand rating.
  • 3-Pole Molded Case Circuit Breaker (MCB)
  • 35A Current Rating
  • 10kA Breaking Capacity at 508V
  • K-Characteristic Trip Curve for Inrush Currents
  • UL 489 Certified for North American Standards
  • Integrated Ring Cable Lug for Simplified Wiring
  • Manufactured by ABB Electrification in the US
  • E4.2S-A Size Specification
  • 65kA Withstand Rating

Specifications

Amperage Rating
35 A
Amperage Rating, Maximum
35 A
Amperage Rating, Minimum
35 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
Ring Cable Lug
Current Rating
35 A
Number of Poles
3
Poles
3P
Series
SU203MR
Size
82x110x108mm
Special Features
SU203MR-K35 MCB K-Char., 10kA, 35A, 3P, RTT UL 489, Ring Cable Lug
Standard
RoHs, CSA, cUL, CE, GOST
Trip Type
K
Tripping Characteristic
K
Type
Contactors
Voltage Rating
(480Y / 277 V AC) / (96 V DC)
Voltage Rating
508 V
Package Dimensions (L x W x H)
7.52 IN x 4.76 IN x 3.23 IN
Package Dimensions (L x W x H)
19.1008 cm x 12.0904 cm x 8.2042 cm
Package Weight (Imperial)
3.200 L
Package Weight (Metric)
1.452 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 breaking capacity of the ABB SU203MR-K35 MCB?

The ABB SU203MR-K35 MCB has a breaking capacity of 10kA at 508V.

What is the current rating for the SU203MR-K35 circuit breaker?

The SU203MR-K35 circuit breaker has a current rating of 35A.

What type of trip curve does the SU203MR-K35 MCB feature?

The SU203MR-K35 MCB features a K-characteristic trip curve.

Is the ABB SU203MR-K35 certified for use in North America?

Yes, the ABB SU203MR-K35 is certified to UL 489 standards, ensuring compliance for North American installations.

What type of connection does the SU203MR-K35 MCB use for wiring?

The SU203MR-K35 MCB features an integrated ring cable lug connection for secure and efficient wiring.

How many poles does the ABB SU203MR-K35 circuit breaker have?

The ABB SU203MR-K35 circuit breaker is a 3-pole device.

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.