Residual Current Circuit BreakerWith Overload Protection LYL7-63

Description：

Provides protection against earth fault/leakagecurrent, short-circuit, overload, and function ofisolation.
Contact position indication
Provides protection against indirect contact by human body
Provides complementary protection against directcontact by human body.
Effectively protects electric equipment againstinsulating failure
Equipped with switched neutral and phase pole
Provides protection against over-voltage
Provides comprehensive protection to householdand commercial distribution systems

The LYL7-63 RCBO is a dual-function residual current breaker providing effective protection against earth leakage, overload, and short circuits in low-voltage AC systems.

🔹 Key Technical Knowledge
Protection type: RCD + MCB combined protection
Pole configuration: 1P+N
Rated current: Up to 63A
Mounting: Standard DIN rail installation
Compliance: IEC / EN 61009 standard
Manufacturer role: Professional RCBO manufacturing factory

🔹 Why choose LYL7-63?
Balances leakage protection and circuit protection in one module
Reduces panel space and installation time
Suitable for both residential and light commercial applications

🔹 OEM & Manufacturing Advantage
We offer factory-direct supply, OEM labeling, and technical customization for distributors and system integrators.

🔹 Use Cases / Industries

Single + multi-room residential boards
Small business electrical panels
Electrical service providers
OEM system integrators

Technical Data

Type: Electronic type
Residual current characteristics: AC,A
Pole No.: 2P,4P
Tripping curve: B, C, D
Rated short-circuit capacity: 6kA
Rated current (A):
6A,10A,16A,20A,25A,32A,40A,50A.63A
Rated voltage: 240V AC
Rated frequency: 50/60Hz
Rated residual operating current(mA): 0.03, 0.1, 0.3
Tripping duration: instantaneouss0.1s
Electro-mechanical endurance: 4000 cycles
Connection terminal: pillar terminal with clamp
Terminal Connection Height: H1=16mm H2=21mm
Over-voltage tripping: 280V+5%
Connection capacity:
Flexible conductor 35mm
Rigid conductor 15mm
Installation:
On symmetrical DlN rail 35.5mm
Panel mounting

Compliance

IEC61009-1
EN61009-1

Construction and Feature

Provides protection against earth fault/leakagecurrent, short-circuit, overload, and function ofisolation.
Contact position indication
Provides protection against indirect contact by human body
Provides complementary protection against directcontact by human body.
Effectively protects electric equipment againstinsulating failure
Equipped with switched neutral and phase pole
Provides protection against over-voltage
Provides comprehensive protection to householdand commercial distribution systems

Overall &Installation Dimensions

FAQ For LYL7-63 RCBO

1. What is the main function of the LYL7-63 RCBO?
The LYL7-63 is a multi-function RCBO that offers combined leakage and overcurrent protection in residential and light commercial electrical systems.

2. What is the rated current capacity for this RCBO?
It supports rated currents up to 63A, suitable for larger branch circuits in mid-range installations.

3. Why combine leakage and overcurrent protection?
This design reduces the need for separate RCD and MCB devices, simplifying wiring and saving panel space.

4. What installation method does it use?
It fits onto a 35 mm DIN rail, compatible with standard distribution panels.

5. Is this breaker certified for international projects?
Yes. It complies with IEC / EN 61009 series standards, ensuring compliance with global safety requirements.

6. Do you offer bespoke options for the LYL7-63?
Yes. As an experienced RCBO manufacturer and factory supplier, we offer customized current ratings, branding, and packaging services.