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L&T AUF3D204030 40A DP 240V RCBO with 10kA 300mA C Curve
Key Features:
- Current Rating: 40A
- Pole Type: Double Pole (DP)
- Voltage Rating: 240V
- Breaking Capacity: 10kA
- Sensitivity: 300mA
- Trip Curve: C Curve
- Brand: L&T (ADi Series)
- Model: AUF3D204030
- Protection: Overload, Short Circuit & Earth Leakage
- Compliance: IEC/IS Standards
Product Overview:
The L&T AUF3D204030 RCBO is a high-performance Double Pole Residual Current Circuit Breaker with Overcurrent protection (RCBO) designed for residential and commercial electrical safety. It combines MCB and RCCB functionality, offering protection against overloads, short circuits, and earth leakage faults. With a 10kA breaking capacity and C Curve tripping characteristic, it ensures reliable operation for inductive loads like motors and transformers.
Applications:
- Home Electrical Distribution Boards
- Commercial Buildings
- Industrial Control Panels
- HVAC Systems
- Machinery with Earth Leakage Risks
Technical Specifications:
| Parameter | Details |
|---|---|
| Brand | L&T (ADi Series) |
| Model | AUF3D204030 |
| Type | RCBO (DP) |
| Rated Current | 40A |
| Rated Voltage | 240V AC |
| Breaking Capacity | 10kA |
| Sensitivity | 300mA |
| Trip Curve | C Curve |
| Mounting | DIN Rail |
| Standards | IEC 61009-1, IS/IEC 60898 |
Why Choose This RCBO?
- ✅ L&T Brand Reliability – Trusted by electricians nationwide
- ✅ Triple Protection – Safeguards against overload, short circuit & earth faults
- ✅ Quick Trip Response – C Curve ensures fast operation for inductive loads
- ✅ Durable Construction – Flame-retardant housing for safety
- ✅ Easy Installation – DIN rail compatible for panel mounting
Package Includes:
1 x L&T AUF3D204030 40A DP RCBO (Original Manufacturer Packaging)
RCBO Buying Guide
An RCBO (Residual Current Breaker with Overcurrent) is essential for modern electrical safety. The L&T 40A 300mA C Curve RCBO is ideal for circuits requiring combined protection against:
- Electric shocks (Earth leakage protection)
- Circuit overloads
- Short circuits
300mA sensitivity provides protection against lethal electric shocks while preventing nuisance tripping. The C Curve is perfect for circuits with moderate inrush currents like refrigerators, air conditioners, and fluorescent lighting.
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