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2CDS274337R0218 ABB SU204M-Z1 1A 4-Pole Z Curve 10kA UL489 Miniature Circuit Breaker
ABB SU204M-Z1 is a 1 A four-pole Z-curve miniature circuit breaker with 10 kA interrupting capacity and UL 489 branch circuit protection for sensitive industrial, commercial and machinery circuits.
£259.43
Why Choose the ABB SU204M-Z1 Miniature Circuit Breaker?
The ABB SU204M-Z1 is a high-performance four-pole miniature circuit breaker (MCB) designed to provide reliable branch circuit protection against overloads and short circuits in industrial, commercial and machinery applications. As part of the proven ABB System pro M compact SU200M series, it combines UL 489 branch circuit protection with a sensitive Z tripping characteristic and compact DIN rail mounting.
This miniature circuit breaker features a 1 A rated current, Z tripping characteristic and 10 kA UL 489 interrupting capacity. The Z characteristic provides fast magnetic tripping for circuits containing sensitive electrical and electronic equipment, while its four-pole configuration enables simultaneous protection and isolation across multiple conductors.
With branch circuit protection up to 480Y/277 V AC and 96 V DC under UL 489, the SU204M-Z1 is suitable for demanding AC and DC electrical systems. The SU200M platform meets international UL, CSA and IEC requirements and is designed for straightforward integration into modular electrical distribution and machine control assemblies.
Key Advantages
- Reliable overload and short-circuit protection for electrical circuits.
- 1 A rated current for low-current and sensitive circuit applications.
- Four-pole configuration for simultaneous multi-pole circuit protection.
- Z tripping characteristic suitable for sensitive electrical and electronic loads.
- 10 kA UL 489 interrupting capacity for demanding branch circuit protection.
- Suitable for both AC and DC applications.
Key Features
- ABB System pro M compact SU200M series.
- 1 A rated current.
- 4-pole miniature circuit breaker.
- Z-curve tripping characteristic.
- 10 kA interrupting capacity.
- Branch circuit protection up to 480Y/277 V AC.
- Suitable for systems up to 96 V DC.
- DIN rail mounting for modular electrical distribution systems.
Sensitive Circuit Protection for Industrial Electrical Systems
Miniature circuit breakers such as the ABB SU204M-Z1 automatically interrupt electrical circuits when excessive current occurs due to an overload or short circuit. The Z characteristic provides sensitive magnetic protection, making this type of breaker particularly useful where rapid disconnection is required to protect electronic equipment, control circuits and other low-current loads.
The SU200M series is engineered for branch circuit protection in industrial electrical distribution and machinery applications. Its compact modular construction, AC/DC capability and compatibility with the System pro M compact platform make the SU204M-Z1 suitable for integration into modern control panels and electrical assemblies.
Typical Applications
- Industrial electrical distribution panels.
- Electronic equipment and sensitive electrical loads.
- Machine control panels and automation systems.
- Control, instrumentation and auxiliary circuits.
- OEM machinery and production equipment.
- AC and DC branch circuit protection.
Technical Specifications
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| Certification | UL 489 | |
|---|---|---|
| Series | System pro M compact SU200M | |
| ABB order code | 2CDS274337R0218 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 1 A | |
| Number of poles | 4 | |
| Tripping characteristic | Z | |
| Interrupting capacity | 10 kA | |
| AC voltage | Up to 480Y/277 V AC | |
| DC voltage | Up to 96 V DC | |
| Rated ultimate short-circuit breaking capacity | 15 kA at 400 V AC | |
| Rated frequency | 50 / 60 Hz and DC | |
| Standard | UL 489 | |
| Protection rating | IP20 at terminals / IP40 in enclosure with cover | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 111 × 70 × 69 mm | |
| Weight | approx. 0.5 kg | |
| GTIN / EAN | 4016779933544 |
Frequently Asked Questions
What is the ABB SU204M-Z1 used for?
The SU204M-Z1 is a four-pole miniature circuit breaker designed to protect electrical circuits and equipment against overload and short-circuit currents, particularly in sensitive low-current applications.
What is the current rating of the ABB SU204M-Z1?
The SU204M-Z1 has a rated current of 1 A and uses a sensitive Z tripping characteristic.
What is the interrupting capacity of the SU204M-Z1?
The SU204M-Z1 provides a 10 kA interrupting capacity and is designed for UL 489 branch circuit protection.
How many poles does the ABB SU204M-Z1 have?
The SU204M-Z1 is a four-pole (4P) miniature circuit breaker, allowing simultaneous protection and isolation across multiple conductors.
Can the ABB SU204M-Z1 be used on AC and DC circuits?
Yes. The SU200M platform provides branch circuit protection up to 480Y/277 V AC and 96 V DC, making the SU204M-Z1 suitable for both AC and DC applications within its specified ratings.
Trusted ABB Circuit Protection
ABB System pro M compact SU200M miniature circuit breakers provide dependable branch circuit protection for industrial machinery, electrical distribution systems and control panels, combining high interrupting capacity with compact modular installation.
