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RCCB TX³ 4P 400V | 300mA Sensitivity | 40A Rated Current | Type A | @EA of 1 | by Legrand
RCCB TX³ 4P 400V is a reliable residual current circuit breaker designed for 400V AC systems, featuring a 300mA sensitivity and a rated current of 40A. Ideal for residential and small commercial electrical panels, it ensures safety against earth leakage faults while conforming to IEC 61008-1 standards. With easy DIN rail mounting and IP20 protection, this device is built for durability and compliance.
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Product Name/Title: RCCB TX³ 4P 400V | 300mA Sensitivity | 40A Rated Current | Type A | @EA of 1 | by Legrand
Brand: Legrand
SKU: 411785
Alternatively Known As: Residual Current Circuit Breaker, RCCB, Earth Leakage Breaker, TX3 RCCB, 4 Pole RCCB, Type A RCCB
Technical Specifications
- Number of poles: 4
- Rated voltage: 400 V AC
- Rated current: 40 A
- Residual current sensitivity: 300 mA (Type A)
- Rated insulation voltage Ui: 500 V
- Rated impulse withstand voltage Uimp: 4 kV
- Short-circuit breaking capacity (Icw): 10 kA
- Surge current capacity: 0.25 kA
- Frequency: 50 Hz
- Degree of protection: IP20
- Mounting method: DIN rail
- Connection type: Screwed terminal
- Operating ambient temperature: -25 to 60 °C
- Pollution degree: 2
- Connectable conductor cross section multi-wired: 0.75-35 mm²
- Connectable conductor cross section solid-core: 0.75-50 mm²
- Degree of impact strength: IK04
- Nominal voltage: 220-440 V
- Electric supplying direction: By the top or bottom
- Halogen free: Yes
- Label space/information surface: Yes
- Dimensions (H x L x W): 83mm x 78mm x 71mm
- Weight: 0.5 kg
Key Features
- 4-pole residual current circuit breaker for 400 V AC systems
- Type A sensitivity detecting AC and DC component faults
- Rated current of 40 A with 300 mA residual current sensitivity
- Conforms to IEC 61008-1 standards
- Compatible with prong-type and fork-type supply busbars
- Short-circuit breaking capacity of 10 kA
- Mounting on DIN rail for easy installation
- IP20 degree of protection
- Halogen free materials
- Screwed terminal connection type
- With interlocking device for enhanced safety
Professional Installation Requirements
- Installation must be performed by a licensed electrician to ensure compliance with electrical safety standards and proper integration into the electrical panel.
Applications
- Residential and small commercial electrical panels
- Protection of electrical circuits against earth leakage faults
- Use in distribution boards for safety and compliance
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Helps prevent electrical fires and hazards by detecting leakage currents early
- Supports energy safety and reduces risk of electrical accidents
- Halogen free materials reduce environmental impact in case of disposal
Warranty Information
Legrand offers a standard manufacturer warranty covering defects and performance for a period of 2 years.
Available Now
The Legrand RCCB TX³ 4P 400V 300mA 40A Type A is available for immediate purchase, ideal for residential and small commercial electrical safety applications.
