Buy genuine Siemens 3WL1340-4CB32-5FA4 online
The Siemens 3WL1340-4CB32-5FA4 is a fixed-mounted, 3-pole low-voltage circuit breaker designed to provide robust protection in industrial and commercial electrical systems. With a size III frame, it supports a rated current of 4000A and operates efficiently up to 690V AC at 50/60Hz. This circuit breaker is engineered to deliver high short-circuit breaking capacity of 100kA at 500V, ensuring reliable interruption of fault currents to safeguard electrical installations and connected equipment. Its rear horizontal connection design simplifies installation in switchgear assemblies. The 3WL1340-4CB32-5FA4 features the ETU 25 LSI overcurrent release, offering precise protection functions with long-time, short-time, and instantaneous trip characteristics. Suitable for demanding environments, this Siemens circuit breaker balances performance, safety, and ease of integration in complex automation and power distribution systems.
Key Features of Siemens 3WL1340-4CB32-5FA4
- Fixed-mounted 3-pole design with size III frame for compact and flexible installation
- Rated current up to 4000A and voltage rating up to 690V AC
- High breaking capacity: 100kA at 500V (AC)
- Equipped with ETU 25 LSI overcurrent release for comprehensive protection
- Rear horizontal connection for easy switchgear integration
- Compliant with IEC standards for low-voltage switchgear applications
- Durable construction ensuring long operational life and minimal maintenance
- Compatible with various accessories and communication modules for system upgrades
- Designed for industrial power distribution, enhancing safety and reliability
Technical Specs of 3WL1340-4CB32-5FA4
Explore Siemens 3WL1340-4CB32-5FA4 technical data covering voltage, current ratings, and protection features to ensure system compatibility.
| Specification |
Details |
| Poles |
3 |
| Frame Size |
III |
| Rated Current (In) |
4000 A |
| Rated Voltage |
Up to 690 V AC, 50/60 Hz |
| Short-Circuit Breaking Capacity (Icu) |
100 kA at 500 V |
| Connection Type |
Rear horizontal connection |
| Overcurrent Release |
ETU 25 LSI (Long-time, Short-time, Instantaneous) |
Applications / Use Case
This Siemens 3WL1340-4CB32-5FA4 is commonly used in industrial automation, protecting electrical switchgear and power distribution networks. Its high breaking capacity and reliable protection features make it ideal for process control, machine automation, and factory control panels. It is often deployed as a main incoming feeder or outgoing feeder breaker in production line systems, packaging, conveyor operations, and complex motion control environments, ensuring safety and continuity in demanding industrial applications worldwide.
Price & Availability
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