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L&T AU RCBO 80A FP 415V ADI 10kA 30mA C Curve (AUF3D408003)
Key Features:
- Brand: L&T (Larsen & Toubro)
- Model: AUF3D408003
- Type: RCBO (Residual Current Circuit Breaker with Overcurrent Protection)
- Rated Current: 80A
- Poles: 4 Pole (3P + N)
- Voltage Rating: 415V AC
- Breaking Capacity: 10kA
- Sensitivity (Residual Current): 30mA
- Trip Curve: C Curve (Moderate Starting Current)
- Mounting: DIN Rail Mountable
- Standards: IEC/IS Compliant
- Application: Protects against overload, short circuit, and earth leakage
Product Overview:
The L&T AU Series RCBO combines MCB and RCCB functionality, offering complete protection against overload, short circuit, and earth leakage faults. With a high breaking capacity of 10kA and 30mA sensitivity, it ensures safety for residential, commercial, and industrial electrical systems.
Technical Specifications:
| Parameter | Specification |
|---|---|
| Brand | L&T |
| Model Number | AUF3D408003 |
| Product Type | RCBO |
| Number of Poles | 4 Pole (3 Phase + Neutral) |
| Rated Current | 80 Ampere |
| Rated Voltage | 415V AC |
| Breaking Capacity | 10,000A (10kA) |
| Residual Operating Current | 30mA |
| Trip Curve | C Curve |
| Mounting Type | DIN Rail Mounting (35mm) |
| Standards | IEC 61009-1, IS/IEC 60898 |
| Operating Temperature | -25°C to +55°C |
Applications:
- Residential electrical distribution boards
- Commercial complexes
- Industrial power distribution
- HVAC systems
- Motor protection circuits
- Machine control panels
Why Choose This RCBO?
- Dual protection (overcurrent + earth leakage) in single device
- High breaking capacity for enhanced safety
- Quick trip mechanism for C curve characteristics
- Compact design saves panel space
- Reliable performance from trusted L&T brand
- Easy DIN rail mounting
Package Includes:
1 x L&T AU Series 80A 4 Pole RCBO (Model: AUF3D408003)
L&T RCBO Buying Guide
The L&T AUF3D408003 RCBO provides complete electrical protection for 3-phase systems. With 80A current rating and 415V voltage capacity, this 4-pole device combines overcurrent and earth leakage protection. The C-curve characteristic makes it ideal for circuits with moderate inrush currents like lighting and motor loads. Its 30mA sensitivity offers protection against electric shocks while the 10kA breaking capacity ensures safety during short circuits. This L&T RCBO is IS/IEC certified, ensuring compliance with Indian and international safety standards.
RCBO vs MCB vs RCCB
Unlike standard MCBs that only protect against overload and short circuits, this RCBO additionally provides protection against earth leakage currents. Compared to using separate MCB and RCCB devices, this combined unit saves space in your distribution board while providing all necessary protections in one compact device.
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