ABB Signature Partner Distributor (Electrification)
ABB - Electrification SU203MR-K16 - SU203MR-K16 MCB K-Char., 10kA, 16A, 3P, RTT UL 489, Ring Cable Lug
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ABB Electrification SU203MR-K16 SU203MR-K16 MCB K-Char., 10kA, 16A, 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-K16 is a 3-pole Miniature Circuit Breaker (MCB) designed for robust overcurrent protection in North American electrical systems. This unit features a 16A rating and a 10kA interrupting capacity, ensuring reliable performance and safety. Certified to UL 489 standards, the SU203MR-K16 meets stringent safety and performance requirements for industrial and commercial applications. Its K-characteristic tripping curve is optimized for protecting sensitive loads such as motors and transformers, providing rapid fault response while minimizing nuisance tripping. The integrated ring cable lug terminations simplify installation and reduce wiring time for electrical contractors and panel builders, contributing to project efficiency. With a compact E4.2V-A size, this MCB fits standard distribution panels, making it a versatile choice for various electrical infrastructure projects. The 10kA interrupting rating is crucial for safeguarding critical equipment against short-circuit events. Applications include the protection of HVAC systems, industrial machinery, and power distribution panels where dependable circuit interruption is paramount. The device operates within UL 489 parameters, ensuring compatibility with existing North American electrical infrastructure.
  • 3-pole Miniature Circuit Breaker (MCB)
  • 16A current rating
  • 10kA interrupting capacity
  • K-characteristic tripping curve for motor and transformer protection
  • UL 489 certified for North American applications
  • Ring cable lug terminations for easy wiring
  • Compact E4.2V-A size for standard panels

Specifications

Amperage Rating
16 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.
Breaking Capacity
10 kA
Certification
UL 489
Connection Type
Ring Lug
Connection Type
Ring Cable Lug
Current Rating
16 A
Number of Poles
3
Poles
3P
Series
E4.2V-A
Series
SU203MR
Size
82x110x108mm
Special Features
SU203MR-K16 MCB K-Char., 10kA, 16A, 3P, RTT UL 489, Ring Cable Lug
Standard
RoHs, CSA, cUL, CE, GOST
Trip Type
K
Tripping Characteristic
K
Tripping Characteristic
K-Type
Type
Contactors
Voltage Rating
(480Y / 277 V AC) / (96 V DC)
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
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

Is the SU203MR-K16 certified for North American use?

Yes, the SU203MR-K16 is UL 489 certified, meeting North American safety and performance standards.

What is the pole configuration of the SU203MR-K16?

The SU203MR-K16 is a 3-pole Miniature Circuit Breaker (MCB).

What is the breaking capacity of the SU203MR-K16?

The SU203MR-K16 has a breaking capacity of 10kA, ensuring reliable interruption of short-circuit faults.

What are the termination types for the SU203MR-K16?

The SU203MR-K16 features ring cable lug terminations for secure and efficient wiring.

What is the size of the SU203MR-K16?

The SU203MR-K16 is sized as E4.2V-A, fitting standard distribution panels.

What type of tripping curve does the SU203MR-K16 use?

The SU203MR-K16 features a K-characteristic tripping curve, optimized for motor and transformer protection.

Can the SU203MR-K16 be used in HVAC systems?

Yes, the SU203MR-K16 is suitable for protecting HVAC systems and other industrial machinery.

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.