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Specification & Description
| Specification | Description |
|---|---|
| Part Number | S203-C16 |
| Alternative Part Number | S203C16 |
| Manufacturer | ABB |
| Type | Miniature Circuit Breaker |
| Actuation Mechanism | Toggle |
| Rated Operational Voltage | 400 V ac |
| Rated Short-Circuit Capacity | 6 kA |
| Rated Current | 16 A |
| Tripping Characteristic | Thermal/Electromechanical |
| Terminal Type | Screw Terminal |
| Mounting Type | DIN Rail Mount |
| Dimensions | 52.5 x 69 x 88 mm |
| Number of Poles | 3 |
| Frequency | Suitable for 50/60 Hz systems |
| Operational Voltage Range | Maximum 440 V ac, Minimum 12 V ac, Minimum 12 V dc |
| Energy Limiting Class | 3 |
| Overvoltage Category | III |
| Pollution Degree | 2 |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV |
| Dielectric Test Voltage | 2 kV at 50/60 Hz for 1 min |
| Housing Material | Insulation group I, RAL 7035 |
| Actuator Type | Red ON / Green OFF |
| Contact Position Indication | Yes |
| Degree of Protection | IP20, IP40 in enclosure with cover |
| Ambient Air Temperature for Operation | -25 to +55 °C |
| Ambient Air Temperature for Storage | -40 to +70 °C |
| Resistance to Shock | 25g / 2 shocks / 13 ms |
| Resistance to Vibrations | 5g, 20 cycles at 5 ... 150 ... 5 Hz with load 0.8 In |
| Environmental Conditions | Suitable for environments with up to 55 °C / 90-96% and 25 °C / 95-100% humidity |
| RoHS Status | Compliant with EU Directive 2002/95/EC and amendments |
| Certifications | Complies with IEC/EN 60898-1, IEC/EN 60947-2, UL1077, and CSA 22.2 No. 235 |
The ABB S203-C16 is a high-quality miniature circuit breaker designed to provide efficient and reliable overcurrent protection. Engineered for use in a variety of residential, commercial, and industrial applications, this three-pole circuit breaker features a C tripping characteristic, ensuring a quick response to short circuits and overload conditions.
With a rated current of 16 A and an operational voltage of 400 V AC, the S203-C16 is capable of handling a diverse range of electrical loads. Its compact dimensions of 52.5 x 69 x 88 mm allow for space-saving installation on standard DIN rails, making it a versatile choice for electrical distribution systems.
The breaker is crafted to comply with international standards, including IEC/EN 60898-1 and IEC/EN 60947-2, as well as North American standards UL1077 and CSA 22.2 No. 235. This ensures its suitability for global use and underscores its commitment to safety and quality.
The S203-C16's thermal/electromechanical tripping mechanism provides dual protection, with a delayed thermal response for overload scenarios and an immediate electromechanical response for short-circuit incidents. This dual mechanism ensures that circuits are safeguarded against a wide range of fault conditions.
Additionally, the circuit breaker's screw terminal connections offer a secure and reliable means of wiring, while the toggle actuator type provides clear and intuitive control. The device also features an energy limiting class of 3, which contributes to the overall safety of the electrical system by limiting the energy let-through in the event of a fault.
Overall, the ABB S203-C16 miniature circuit breaker is a dependable and efficient solution for protecting electrical circuits from overcurrents, ensuring the safety and longevity of electrical installations.
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Frequently Asked Questions
What type of circuit breaker is this?
This is a miniature circuit breaker designed for protecting electrical circuits from damage caused by overload or short circuit. It features a toggle switch for manual control.
What is the rated operational voltage for this circuit breaker?
The rated operational voltage for this circuit breaker is 400 V ac.
What is the interrupting capacity of this device?
The interrupting capacity of this circuit breaker is 6 kA.
What is the current rating for this circuit breaker?
The current rating for this circuit breaker is 16 A.
What type of terminals does this circuit breaker have?
This circuit breaker is equipped with screw terminals for secure wire connections.
Can this circuit breaker be mounted on a DIN rail?
Yes, it is designed for DIN rail mounting, making it suitable for installation in a variety of electrical panels and enclosures.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 52.5 x 69 x 88 mm.
What is the tripping mechanism of this circuit breaker?
It utilises a thermal/electromechanical tripping mechanism for reliable protection against overloads and short circuits.
What is the degree of protection provided by this circuit breaker?
The circuit breaker provides an IP20 degree of protection, and IP40 when installed in an enclosure with a cover.
What is the ambient air temperature range in which this circuit breaker can operate?
The circuit breaker can operate within an ambient air temperature range of -25 to +55 °C.
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