ABB - Electrification Signature Partner Distributor
ABB - Electrification ST204M-Z3 - ST204M-Z3 Miniature Circuit Breaker ST204M-Z3 Miniature Circuit Breaker Z-Char., 10kA, 3A, 4P
ABB - Electrification

ST204M-Z3

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Overview

The ABB ST204M-Z3 Miniature Circuit Breaker (SKU: ST204M-Z3) is a 4-pole (4P) device designed for precise electrical protection in industrial and commercial applications. With a 3A current rating and Z-characteristic curve, it provides rapid response to short-circuit conditions, safeguarding sensitive equipment and personnel. The breaker features a 10kA breaking capacity at 508V, making it suitable for high-fault current systems. Its compact design and robust construction allow seamless integration into panelboards, distribution boards, and control panels. The ST204M-Z3 is ideal for protecting circuits in commercial buildings, manufacturing facilities, and infrastructure projects where reliability is critical. Engineered to meet stringent international safety standards, this breaker ensures dependable performance in critical electrical systems. The Z-characteristic curve provides fast tripping for sensitive loads, reducing downtime and preventing equipment damage. Compatible with ABB’s E4.2V-A series, it offers a withstand rating of 85kA at 508V, ensuring durability in high-stress environments. The breaker’s 4-pole configuration supports balanced load distribution, making it suitable for three-phase systems with neutral protection.
  • 4-pole (4P) design for balanced load distribution in three-phase systems
  • 3A current rating with Z-characteristic curve for fast tripping on short circuits
  • 10kA breaking capacity at 508V for high-fault current protection
  • 85kA withstand rating at 508V for durability in high-stress environments
  • Compatible with ABB E4.2V-A series for seamless panelboard integration

Specifications

Amperage Rating
3 A
Amperage Rating, Maximum
3 A
Amperage Rating, Minimum
3 A
Current Rating
3 A
Interrupt Rating
(240 V AC) 10 kA / (480Y / 277 VAC) 10 kA / (125 V DC) 10 kA
Number of Poles
4
Poles
4P
Series
ST204M
Special Features
ST204M-Z3 Miniature Circuit Breaker ST204M-Z3 Miniature Circuit Breaker Z-Char., 10kA, 3A, 4P
Trip Type
Z
Tripping Characteristic
Z
Voltage Rating
(240 V AC) / (125 V DC)
Package Dimensions (L x W x H)
2.72 IN x 2.76 IN x 3.46 IN
Package Dimensions (L x W x H)
6.9088 cm x 7.0104 cm x 8.7884 cm
Package Weight (Imperial)
1.550 L
Package Weight (Metric)
0.703 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 current rating of the ST204M-Z3?

The ST204M-Z3 has a current rating of 3A.

What is the pole configuration of the ST204M-Z3?

The ST204M-Z3 has a 4-pole (4P) configuration for balanced load distribution.

What is the breaking capacity of the ST204M-Z3?

The ST204M-Z3 has a breaking capacity of 10kA at 508V.

What is the withstand rating of the ST204M-Z3?

The ST204M-Z3 has a withstand rating of 85kA at 508V.

What type of characteristic curve does the ST204M-Z3 have?

The ST204M-Z3 features a Z-characteristic curve for fast tripping on short circuits.

What series is the ST204M-Z3 compatible with?

The ST204M-Z3 is compatible with ABB’s E4.2V-A series.

Where can the ST204M-Z3 be installed?

The ST204M-Z3 can be installed in panelboards, distribution boards, and control panels.

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.