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Siemens SENTRON Miniature Circuit Breaker, 1-Pole, 4A, Type D, 400V AC, 72V DC, 10kA Breaking Capacity 5SY4104-8
Specifications
| Country of Origin | Germany |
|---|---|
| Range | SENTRON |
| Brand | Siemens |
| Height | 90mm |
| Model | 5SY4104-8 |
| Depth | 76mm |
| IP Rating | IP20 |
| Width | 17.5mm |
| Mount Type | DIN Rail |
| Current Rating | 4A |
| Series | 5SY4 |
| Terminal type | Screw |
| Breaking Capacity | 10kA |
| Number of Poles | 1 |
| Standards/Approvals | IEC/EN 60898-1, IEC/EN 60947-2/UL1077 |
| Rated AC Voltage | 400V ac |
| Rated DC Voltage | 72V dc |
| Tripping Characteristics | Type D |
| Better World Claim | Extended Product Life |
Key Features
- Durable miniature circuit breaker for protection against overloads and short circuits.
- Type D tripping characteristic suitable for high inrush current devices such as motors.
- Rated for 400V AC and 72V DC operation.
- Breaking capacity of 10kA ensures reliable interruption during faults.
- Compact DIN rail mounting with IP20 protection rating.
- Terminals accept cable sizes from 14 to 4 AWG for versatile installation.
- Complies with IEC/EN 60898-1, IEC/EN 60947-2, and UL1077 standards.
- Operates reliably in ambient temperatures from -25°C to +55°C.
Product Description
Siemens 5SY4104-8 SENTRON Miniature Circuit Breaker is a high-quality 1-pole MCB rated at 4 amperes with Type D tripping characteristics, engineered for industrial and commercial electrical protection applications. It provides effective safeguarding against overload and short circuit faults in AC and DC electrical circuits operating up to 400 volts AC and 72 volts DC, respectively.
This MCB is designed to be highly durable, featuring a rated impulse withstand voltage of 4kV which protects it from transient electrical spikes. Its type D characteristic enables it to support devices with high inrush currents such as motors, transformers, and power supplies by tripping reliably between 10 to 20 times its rated current.
Mounting on a standard DIN rail facilitates efficient installation and replacement within switchgear and panel boards. The IP20 protection rating safeguards the internal components from solid objects larger than 12.5 mm, making it suitable for indoor, controlled environments.
Terminals accept screw connections compatible with conductor sizes from 14 AWG to 4 AWG, allowing flexibility for various wiring requirements. Designed according to international standards IEC/EN 60898-1, IEC/EN 60947-2, and UL1077, this product ensures compliance with stringent safety and performance regulations.
Reliable circuit interruption with 10 kA breaking capacity to prevent equipment and wiring damage. Wide operating temperature range from -25°C to +55°C supports harsh industrial environments. Robust mechanical endurance, rated for 20,000 cycles, guarantees long service life and maintenance cost savings.
Compact dimensions (90 mm height, 17.5 mm width, 76 mm depth) optimize panel space utilization. Better World endorsed product with an extended product life claim supporting sustainability initiatives.
This Siemens Miniature Circuit Breaker is ideal for application in manufacturing facilities, automation systems, electrical distribution panels, and HVAC equipment. It delivers efficient protection with high reliability and safety, meeting the demands of modern electrical installations.
Explore EnvMart’s wide selection of electrical protection devices and accessories to complement your Siemens MCB and ensure complete system safety and compliance.
Looking to purchase in bulk?
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Frequently Asked Questions
The rated current of this miniature circuit breaker is 4A.
It has a breaking capacity of 10kA, ensuring reliable interruption during faults.
This model is rated for 400V AC and 72V DC operation.
It features Type D tripping characteristics, suitable for high inrush current devices such as motors.
The dimensions are 90 mm in height, 17.5 mm in width, and 76 mm in depth.
It is designed for DIN rail mounting, facilitating efficient installation and replacement.
This circuit breaker has an IP20 protection rating, safeguarding internal components from solid objects larger than 12.5 mm.
The terminals accept screw connections compatible with conductor sizes from 14 AWG to 4 AWG.
It complies with IEC/EN 60898-1, IEC/EN 60947-2, and UL1077 standards.
It operates reliably in ambient temperatures ranging from -25°C to +55°C.
This miniature circuit breaker is rated for 20,000 cycles, ensuring a long service life.
The country of origin for this miniature circuit breaker is Germany.
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