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2CDS272334R0378 ABB ST202M-Z6 Miniature Circuit Breaker 6 A 2P Z
ABB ST202M-Z6 is a 6 A two-pole Z-characteristic miniature circuit breaker and UL 1077 supplementary protector from the ST200M series with a 15 kA short-circuit breaking capacity for sensitive industrial control and equipment circuits.
£66.38
Why Choose the ABB ST202M-Z6 Miniature Circuit Breaker?
The ABB ST202M-Z6 is a compact and reliable two-pole miniature circuit breaker (MCB) designed for supplementary overcurrent protection in sensitive industrial control, automation and electrical equipment applications. As part of the proven ABB ST200M series, it combines a 6 A rated current with a Z tripping characteristic for circuits requiring a sensitive magnetic response to overcurrent conditions.
Designed as a UL 1077 supplementary protector, the ST202M-Z6 provides thermal-magnetic protection against overload and short-circuit conditions. Its two-pole configuration enables simultaneous protection and switching of two conductors, while its modular DIN-rail construction supports straightforward integration into machinery, control cabinets and industrial electrical assemblies.
With a rated current of 6 A, Z characteristic and a specified 15 kA short-circuit breaking capacity, the ST202M-Z6 is well suited to sensitive control and equipment circuits where rapid magnetic operation is required. The ABB order code for this device is 2CDS272334R0378.
Key Advantages
- Compact two-pole miniature circuit breaker for supplementary circuit protection.
- 6 A rated current for low-current industrial equipment and control circuits.
- Z tripping characteristic for sensitive overcurrent protection.
- Thermal-magnetic protection against overload and short-circuit conditions.
- UL 1077 supplementary protector design for equipment-level applications.
- 15 kA short-circuit breaking capacity for robust circuit protection.
- DIN-rail mounting simplifies installation in industrial control panels and enclosures.
Key Features
- ABB ST200M miniature circuit breaker series.
- 2-pole configuration.
- 6 A rated current.
- Z tripping characteristic.
- 15 kA short-circuit breaking capacity.
- Thermal-magnetic overcurrent protection.
- Designed as a UL 1077 supplementary protector.
- Suitable for sensitive control, instrumentation and equipment circuits.
- Compact modular construction for industrial electrical assemblies.
- DIN-rail mounting for straightforward panel installation.
Sensitive Supplementary Circuit Protection
Miniature circuit breakers such as the ABB ST202M-Z6 automatically interrupt a circuit when excessive current is detected. Thermal protection responds to sustained overload conditions, while the magnetic mechanism provides rapid operation during severe overcurrent and short-circuit events.
The Z characteristic provides a sensitive magnetic response compared with commonly used B, C and D characteristics, making the ST202M-Z6 particularly suitable for appropriate electronic, instrumentation and control circuits where rapid response to fault currents is desirable. Its compact modular construction makes it practical for supplementary protection within industrial machinery and automation equipment.
Typical Applications
- Industrial machinery and automation panels.
- Low-current control and auxiliary circuits.
- Equipment-level supplementary overcurrent protection.
- Electronic and instrumentation circuits.
- Sensitive industrial control equipment.
- OEM control cabinets and machine-building applications.
Technical Specifications
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| Certification | UL 1077 | |
|---|---|---|
| Series | ST200M | |
| ABB order code | 2CDS272334R0378 | |
| Product type | Miniature circuit breaker / supplementary protector | |
| Number of poles | 2 | |
| Rated current | 6 A | |
| Tripping characteristic | Z | |
| Short-circuit breaking capacity | 15 kA | |
| Standard | UL 1077 | |
| Protection principle | Thermal-magnetic | |
| Mounting type | DIN rail |
Frequently Asked Questions
What is the ABB ST202M-Z6 used for?
The ST202M-Z6 is a two-pole supplementary miniature circuit breaker designed to protect sensitive industrial control, automation and equipment circuits against overload and short-circuit conditions.
What is the rated current of the ST202M-Z6?
The ABB ST202M-Z6 has a rated current of 6 A.
What does the Z characteristic mean?
The Z tripping characteristic provides a sensitive magnetic response to overcurrent, making it suitable for appropriate electronic, instrumentation and control circuits requiring rapid fault protection.
What is the breaking capacity of the ABB ST202M-Z6?
The ST202M-Z6 has a specified short-circuit breaking capacity of 15 kA.
Is the ABB ST202M-Z6 a UL 1077 supplementary protector?
Yes. The ST202M-Z6 is designed as a UL 1077 supplementary protector for equipment-level overcurrent protection applications.
Trusted ABB Circuit Protection
ABB ST200M miniature circuit breakers provide compact and dependable supplementary circuit protection for industrial control panels, machinery and automation equipment where reliable overload and short-circuit protection is required.
