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Siemens SENTRON Miniature Circuit Breaker, 1-Pole, 20A, Type D, 400V AC, 60V DC, 10 kA Breaking Capacity 5SY4120-8
Specifications
| Country of Origin | Germany |
|---|---|
| Range | SENTRON |
| Brand | Siemens |
| Height | 90mm |
| Model | 5SY4120-8 |
| Depth | 76mm |
| IP Rating | IP20 |
| Width | 17.5mm |
| Mount Type | DIN Rail |
| Current Rating | 20A |
| Series | 5SY4 |
| Breaking Capacity | 10kA |
| Number of Poles | 1 |
| Standards/Approvals | IEC/EN 60947-2/UL1077, IEC/EN 60898-1 |
| Rated AC Voltage | 400V ac |
| Rated DC Voltage | 60V dc |
| Tripping Characteristics | Type D |
| Better World Claim | Extended Product Life |
| Curve C | Tripping: 5 to 10 times the rated current |
| Curve D | Tripping: 10 to 14 times the rated current |
Key Features
- Automatic cut-out ensures secure disconnection under fault conditions.
- Designed for DIN rail mounting offering easy installation and removal.
- Breaking capacity of 10 kA for enhanced short-circuit protection.
- Type D tripping curve suitable for high surge circuits and motors.
- Certified to IEC/EN 60947-2, UL1077, and IEC/EN 60898-1 standards.
- IP20 rating for protection against finger access and foreign objects.
- Manufactured in Germany ensuring high build quality and reliability.
Product Description
Siemens 5SY4120-8 SENTRON Miniature Circuit Breaker is a 1-pole device designed for industrial, residential, and commercial electrical circuit protection. With a rated current of 20A and Type D tripping characteristics, it provides effective protection against overloads and short circuits, especially suitable for high surge loads like transformers, welders, and motors.
It supports both AC and DC operation with rated voltages of up to 400V AC and 60V DC respectively, combined with a breaking capacity of 10 kA to ensure safety under fault conditions.
This MCB is mounted on DIN rails allowing quick installation and replacement, facilitating maintenance and upgrades in electrical panels. The compact design with 17.5mm width helps optimize use of panel space without compromising functionality.
Built to meet IEC and UL standards, it ensures compliance with stringent global electrical safety norms. The device carries an IP20 rating for protection against accidental contact and foreign objects.
Manufactured in Germany, the 5SY4120-8 model assures extended product life with consistent performance over its service period. Automatic cut-out provides reliable circuit interruption. DIN rail mounting ensures ease of installation and removal.
High breaking capacity of 10 kA safeguards sensitive equipment. Type D characteristic is optimal for protecting high inrush current applications. Compact form factor conserves panel space. Compliant with IEC/EN and UL standards for assured safety.
IP20 rating protects against electrical hazards due to accidental contact. Manufactured in Germany for premium quality and durability.
This Miniature Circuit Breaker is ideal for use in industrial automation, commercial buildings, and residential electrical distribution systems requiring dependable protection and longevity. Explore the full Siemens SENTRON product range on EnvMart for a comprehensive electrical safety solution.
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Frequently Asked Questions
The Siemens SENTRON Miniature Circuit Breaker has a breaking capacity of 10 kA, ensuring effective protection under fault conditions.
This model supports a rated AC voltage of up to 400V and a rated DC voltage of 60V.
The current rating of this miniature circuit breaker is 20A.
It features Type D tripping characteristics, which are suitable for high surge circuits and motors.
The device has an IP20 rating, providing protection against finger access and foreign objects.
This miniature circuit breaker is designed for DIN rail mounting, allowing for easy installation and removal.
The dimensions of this model are 90mm in height, 76mm in depth, and 17.5mm in width.
It is certified to IEC/EN 60947-2, UL1077, and IEC/EN 60898-1 standards, ensuring compliance with global safety norms.
It is suitable for industrial, residential, and commercial electrical circuit protection, particularly for high surge loads like motors and transformers.
This miniature circuit breaker is manufactured in Germany.
This model belongs to the SENTRON series by Siemens.
The better world claim for this product is its extended product life, contributing to sustainability.
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