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Siemens SENTRON Miniature Circuit Breaker, 2-Pole, 40A, Type D, 400V AC, 60V DC, 10 kA Breaking Capacity 5SY4240-8
Specifications
| Country of Origin | Germany |
|---|---|
| Range | SENTRON |
| Brand | Siemens |
| Height | 90mm |
| Model | 5SY4240-8 |
| Depth | 90mm |
| IP Rating | IP20 |
| Width | 76mm |
| Mount Type | DIN Rail |
| Current Rating | 40A |
| Series | 5SY4 |
| Terminal type | Screw |
| Breaking Capacity | 10kA |
| Number of Poles | 2 |
| Standards/Approvals | IEC/EN 60898-1, IEC/EN 60947-2/UL1077 |
| Rated AC Voltage | 400V ac |
| Rated DC Voltage | 60V dc |
| Tripping Characteristics | Type D |
| Better World Claim | Extended Product Life |
| Reset Actuator Type | Toggle Switch |
| Curve C | Tripping: 5 to 10 times the rated current |
| Curve D | Tripping: 10 to 14 times the rated current |
Key Features
- Type D tripping characteristic is suitable for circuits with high inrush currents.
- Rated for 400V AC and 60V DC voltages for versatile application.
- Features 10 kA breaking capacity ensuring safety during fault conditions.
- Mounts easily on a DIN rail for quick installation.
- Constructed with a toggle switch for intuitive manual operation.
- Screw terminal types offer secure electrical connections.
- Compact dimensions of 90mm height, 76mm width, and 90mm depth fit standard electrical panels.
- Complies with IEC/EN 60898-1 and IEC/EN 60947-2/UL1077 standards.
Product Description
Siemens 5SY4240-8 is a high-quality Miniature Circuit Breaker (MCB) designed for reliable protection in industrial, commercial, and residential electrical installations. This 2-pole breaker features a Type D tripping characteristic, making it ideal for circuits with high surge currents such as welders, motors, and transformers.
The device is rated for 40 amperes with a breaking capacity of 10 kA, delivering robust performance during fault conditions to prevent damage to electrical circuits. It supports both AC voltage up to 400 volts and DC voltage up to 60 volts, providing versatile usability across various applications.
Compact in size, measuring 90 mm in height, 76 mm in width, and 90 mm in depth, the MCB is compatible with standard DIN rail mounts for fast and secure installation. The screw-type terminals facilitate durable and reliable electrical connections.
This circuit breaker is engineered to meet strict international standards including IEC/EN 60898-1, IEC/EN 60947-2, and UL1077, ensuring safety and compliance. Its IP20 rating offers protection against the intrusion of solid objects, suitable for enclosed electrical environments.
Type D tripping curve supports high surge current applications. Toggle switch actuator for manual operation and reset. Wide range of supplementary components available for system integration. Ideal for industrial and residential functional construction sectors.
Supports quick removal and replacement to minimize downtime.
Manufactured in Germany, the Siemens SENTRON series embodies extended product life and reliability. This MCB’s design emphasizes ease of use, safety, and durability, making it a trustworthy choice for electrical protection needs.
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Frequently Asked Questions
This model has a current rating of 40A, making it suitable for various electrical applications.
It features a breaking capacity of 10 kA, ensuring reliable protection during fault conditions.
This unit is rated for 400V AC and 60V DC, providing versatility for different electrical systems.
The Type D tripping characteristic is designed for circuits with high inrush currents, making it ideal for applications like motors and transformers.
It has compact dimensions of 90mm height, 76mm width, and 90mm depth, suitable for standard electrical panels.
It is designed for easy installation on a DIN rail, allowing for quick and secure mounting.
This circuit breaker features screw-type terminals that provide secure electrical connections.
It complies with IEC/EN 60898-1, IEC/EN 60947-2, and UL1077 standards, ensuring safety and reliability.
The unit has an IP20 rating, offering protection against the intrusion of solid objects in enclosed environments.
It features a toggle switch as the reset actuator, allowing for intuitive manual operation and reset.
This model is part of the SENTRON series, which is known for its reliability in electrical protection.
It is suitable for industrial, commercial, and residential electrical installations, particularly where high surge currents are present.
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