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ABB - Electrification S803U-Z90 - S803U-Z90 3 Pole Z Characteristic 90A 50kA 240/415VAC High Performance Circuit Breaker HPCB
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ABB - Electrification

S803U-Z90


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Specification Sheet

Contact for Pricing

Overview

The ABB S803U-Z90 is a 3-pole high-performance circuit breaker (HPCB) with a Z-characteristic tripping curve, designed for circuits with low inrush currents such as electronic equipment and control systems. Rated at 90A and 240/415VAC, this breaker delivers a short-circuit current rating (SCCR) of 50kA, ensuring robust protection in industrial power distribution systems. The Z-characteristic provides precise tripping for sensitive loads, minimizing nuisance tripping while maintaining fast response to overcurrent events. This breaker is part of ABB's E4.2V-A series, with a withstand rating of 85kA at 508V, making it suitable for demanding applications where reliability is critical. It is designed for use in industrial environments requiring high short-circuit interruption capability and consistent performance. The breaker's compact E4.2V-A size and compatibility with ABB's Ekip Hi-Touch LSIG trip units enhance its versatility in modern electrical installations. Key specifications include: 3 poles, Z-characteristic, 90A rated current, 50kA SCCR at 240/415VAC, and a withstand rating of 85kA at 508V. The S803U-Z90 is ideal for protecting sensitive electronic loads, control circuits, and other applications where precise overcurrent protection is required.
  • 3-pole Z-characteristic tripping curve for precise protection of sensitive loads
  • Rated current: 90A, voltage rating: 240/415VAC
  • Short-circuit current rating (SCCR): 50kA at 240/415VAC
  • Withstand rating: 85kA at 508V
  • Compatible with ABB Ekip Hi-Touch LSIG trip units

Specifications

Amperage Rating
90 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.
Current Rating
90 A
Number of Poles
3
Poles
3
Poles
3P
Series
S803U
Series
HPCB
Size
82x110x108mm
Special Features
S803U-Z90 3 Pole Z Characteristic 90A 50kA 240/415VAC High Performance Circuit Breaker HPCB
Standard
RoHs, CSA, cUL, CE, GOST
Tripping Characteristic
Z
Type
Contactors
Voltage Rating
(240 V AC)
Voltage Rating
240/415 VAC
Package Dimensions (L x W x H)
3.39 IN x 4.13 IN x 3.9 IN
Package Dimensions (L x W x H)
8.6106 cm x 10.4902 cm x 9.906 cm
Package Weight (Imperial)
1.700 L
Package Weight (Metric)
0.771 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 interrupting rating for this circuit breaker?

The interrupting rating is in accordance with UL 60947-2, 10 kA at 240/415 VAC.

What are the standards this circuit breaker complies with?

This circuit breaker complies with IEC/EN 60947-2, UL 489, and CSA C22.2 No. 235.

What is the rated voltage of the S803U-Z90 circuit breaker?

The rated voltage for this circuit breaker is 240/415 VAC.

What is the rated current for the S803U-Z90 circuit breaker?

The rated current for this circuit breaker is 90 A.

What is the tripping characteristic of this circuit breaker?

The tripping characteristic is Z.

What is the power loss for this circuit breaker?

The power loss for this circuit breaker is 12 W.

What is the main product type of the S803U-Z90?

The main product type is S803U.

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.

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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.

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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.

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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.

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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.