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Schneider R9R51240 | Residual current circuit breaker (RCCB), Resi9, 2P, 40A, AC type, 30mA

Schneider Electric

In stock

2,342 EGP 3,840 EGP

In stock


Schneider R9R51240 | Residual current circuit breaker (RCCB), Resi9, 2P, 40A, AC type, 30mA

This is a Resi9 RCCB residual current circuit breaker (RCCB). It is a 2P circuit breaker with In rated current of 40A, 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.


In this article, we delve into the features, specifications, and benefits of the Schneider R9R51240, a residual current circuit breaker (RCCB) that ensures safety and efficiency in electrical systems.

What is an RCCB?

An RCCB is a crucial electrical device designed to protect against electric shocks and fire hazards by quickly disconnecting the circuit when it detects an imbalance in the electric current.

Definition and Purpose

Understanding the role of RCCBs in electrical safety.


Let’s explore the key features that make Schneider R9R51240 stand out in the market.


Delve into the technical details such as amperage, voltage, and current sensitivity of Schneider R9R51240.

Technical Details and Parameters

Detailed specifications and parameters of the RCCB.


A step-by-step guide on how to install Schneider R9R51240 for optimal functionality and safety.


Why should homeowners and businesses consider using Schneider R9R51240 in their electrical setups?

Safety Benefits

Explore how RCCBs like Schneider R9R51240 enhance safety by preventing electrical accidents.


Tips and best practices for maintaining the efficiency and longevity of your RCCB.


Compare Schneider R9R51240 with other RCCBs available in the market.


Discover the various applications and scenarios where Schneider R9R51240 proves to be an ideal choice.

Customer Reviews

Real user feedback and experiences with Schneider R9R51240, highlighting its performance and reliability.


In conclusion, Schneider R9R51240 is a top-tier RCCB that combines advanced technology with robust safety features, making it a wise investment for any electrical system.


  1. Is Schneider R9R51240 suitable for residential use?
  2. What is the difference between AC type and DC type RCCBs?
  3. Can I install Schneider R9R51240 on my own, or do I need a professional electrician?
  4. Does Schneider R9R51240 come with a warranty?
  5. How often should I test my Schneider R9R51240 RCCB for functionality?
SKU: R9R51240 Category:
Range Resi9
Product or component type Residual current circuit breaker (RCCB)
Poles description 2P
[In] rated current 40 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
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
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 4.000 cm
Package 1 Width 8.500 cm
Package 1 Length 9.000 cm
Package 1 Weight 200.000 g
Unit Type of Package 2 S03
Number of Units in Package 2 54
Package 2 Height 30.000 cm
Package 2 Width 30.000 cm
Package 2 Length 40.000 cm
Package 2 Weight 11.194 kg
Unit Type of Package 3 P12
Number of Units in Package 3 432
Package 3 Height 45.000 cm
Package 3 Width 80.000 cm
Package 3 Length 120.000 cm
Package 3 Weight 101.552 kg

Main Document

Data Sheet : Download

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