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Schneider R9R51225 | Residual current circuit breaker (RCCB), Resi9, 2P, 25A, AC type, 30mA

Schneider Electric
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Schneider R9R51225 | Residual current circuit breaker (RCCB), Resi9, 2P, 25A, AC type, 30mA

This is a Resi9 RCCB residual current circuit breaker (RCCB). It is a 2P circuit breaker with In rated current of 25A, AC type protection class and a 30mA earth leakage sensitivity. This product protects against electrical shock by direct or indirect contact and fire hazards. As an high sensitivity residual current circuit breaker, it is recommended for all power sockets. It is also compulsory for all equipment in bathrooms, outdoors. The Resi9 is targeted to the residential market for individual and collective buildings. This product is compliant with EN/IEC 61008-2-1 standard. The (Inc/IΔc) conditional rated short circuit current is 6000 A. The (Im/IΔm) rated making and breaking capacity is 500A. The electrical endurance is up to 10000 cycles. The mechanical endurance is up to 20000 cycles. The Ue operational voltage is 230VAC. It is DIN rail mountable. The width in 9mm pitches is 4. The product colour is white (RAL9003). The dimensions are (W) 36mm x (H) 81mm x (D) 73mm. It has an IP20 degree of protection. It becomes IP40 once in modular enclosure according to IEC/EN 60529 standard. The operating temperature is from -5°C to 40°C. The storage temperature is from -40°C to 80°C.

Introduction

Overview of Schneider R9R51225

The Schneider R9R51225 is a high-quality Residual Current Circuit Breaker designed to protect against electrical faults by monitoring the balance between incoming and outgoing currents.

Importance of RCCBs

Safety in Electrical Circuits

RCCBs play a crucial role in safeguarding individuals and property from electric shocks and fire hazards caused by ground faults or leakages.

Features

2P, 25A, AC Type, 30mA

This model comes with 2 poles, a 25A rating, operates on AC type circuits, and has a sensitivity of 30mA, ensuring effective protection.

Working Principle

Protecting Against Electrical Faults

The RCCB detects any imbalance in the currents flowing through the live and neutral wires, tripping the circuit to prevent potential harm.

Installation

Guidelines for Setting Up

It’s essential to follow manufacturer guidelines and consult with professionals for correct installation to ensure optimal performance and safety.

Types of RCCBs

Differentiating AC and DC Types

RCCBs are available in AC and DC types, each serving specific purposes based on the electrical system they are used in.

Benefits

Enhanced Safety and Reliability

The R9R51225 offers enhanced safety by quickly disconnecting the circuit in case of faults, thereby reducing the risk of accidents and damage.

Applications

Residential and Commercial Usage

These RCCBs are suitable for a wide range of applications, including homes, offices, industries, and public spaces, contributing to a safer environment.

Maintenance

Tips for Longevity

Regular inspection, testing, and maintenance of RCCBs ensure their proper functioning over time, extending their lifespan and reliability.

Conclusion

In conclusion, the Schneider R9R51225 Residual Current Circuit Breaker is an indispensable device for maintaining electrical safety. Its advanced features, ease of installation, and wide-ranging applications make it a preferred choice for both residential and commercial setups.

FAQs

  1. What is the purpose of an RCCB? An RCCB is designed to protect against electric shocks and fire hazards by monitoring electrical imbalances.
  2. How does an RCCB differ from an MCB? An RCCB detects ground faults and leakages, while an MCB (Miniature Circuit Breaker) protects against overloads and short circuits.
  3. Can an RCCB protect against lightning strikes? While RCCBs provide some protection, additional measures such as surge protectors are recommended for lightning strikes.
  4. What is the lifespan of an RCCB? With proper maintenance, RCCBs can last for many years, ensuring long-term electrical safety.
  5. Are RCCBs mandatory in electrical installations? Depending on local regulations and safety standards, RCCBs are often mandated in modern electrical installations for added safety measures.
SKU: R9R51225 Category:
Main
Range Resi9
Product or component type Residual current circuit breaker (RCCB)
Poles description 2P
[In] rated current 25 A
Network type AC
Earth-leakage sensitivity 30 mA
earth-leakage protection time delay Instantaneous
Earth-leakage protection class Type AC
Rated breaking and making capacity Im 500 A conforming to EN/IEC 61008
Rated conditional short-circuit current Inc 6 kA
Quality labels EAC
UA TR
Complementary
Network frequency 50/60 Hz
[Ue] rated operational voltage 230 V AC 50/60 Hz
Residual current tripping technology Voltage independent
[Ui] rated insulation voltage 440 V
[Uimp] rated impulse withstand voltage 4 kV
Surge current 250 A
control type Toggle
local signalling ON/OFF indication
Mounting mode Clip-on
mounting support DIN rail
9 mm pitches 4
height 81 mm
Width 36 mm
Depth 73 mm
Net weight 180 g
Embedding depth 44 mm
Colour White
Mechanical durability 20000 cycles
Electrical durability 10000 cycles
Connections – terminals Tunnel type terminals (top or bottom) – 1…35 mm² – rigid
Tunnel type terminals (top or bottom) – 1…25 mm² – flexible
Tunnel type terminals (top or bottom) – 1…25 mm² – flexible with ferrule
Wire stripping length 15 mm for top or bottom connection
Tightening torque 3.5 N.m top or bottom
Environment
Standards EN/IEC 61008-1
EN/IEC 61008-2-1
IP degree of protection IP20
Pollution degree 2
Overvoltage category III
Tropicalisation 2 conforming to IEC 60068-1
Relative humidity 95 % at 55 °C
Ambient air temperature for operation -5…40 °C
Ambient air temperature for storage -40…80 °C
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 4 cm
Package 1 Width 8.5 cm
Package 1 Length 9 cm
Package 1 Weight 206 g
Unit Type of Package 2 S03
Number of Units in Package 2 54
Package 2 Height 30 cm
Package 2 Width 30 cm
Package 2 Length 40 cm
Package 2 Weight 11.531 kg
Unit Type of Package 3 P12
Number of Units in Package 3 432
Package 3 Height 45 cm
Package 3 Width 80 cm
Package 3 Length 120 cm
Package 3 Weight 104.248 kg

Main Document

Data Sheet : Download

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