GRD9L-W WiFI Remote Control Auto Recloser Compatible with RCCB/MCB/RCBO

The GRD9L-W is a WiFi-enabled auto recloser module designed for use with MCB/RCD, ideal for smart home distribution and photovoltaic systems. It enables remote control and monitoring via WiFi, supporting timed switching, manual/automatic mode selection, and mechanical/electronic dual-lock functions. With a compact 18mm-wide operating mechanism, it is compatible with various circuit breaker/RCD models, such as GYM9 and GYL9.

  • Control Mode:WIFI
  • Voltage Range: AC 220V(50/60Hz)
  • Power Input: AC max.1VA(standby) max.20VA(action)
  • Action Time: ≤1s

→ Download GRD9L-W WiFI Remote Control Auto Recloser Catalog PDF

→ Download Modbus-RTU Communication Protocol

Category

Description

 GRD9L-W WiFI Auto Recloser Product Highlight

GRD9L-W WiFI Auto Recloser Product Highlight:

  • Compatible with circuit breakers/RCDs for remote closing and opening operations.
  • Enables remote monitoring of circuit breaker/RCD status via WiFi, with support for setting timed on/off schedules.
  • Features a manual (MANU)/automatic (AUTO) mode selector switch.
  • Equipped with mechanical/electronic dual-lock function for safe operation.
  • Allows handle customization to match various circuit breaker/RCD models.
  • Supports auxiliary accessories, such as auxiliary contacts, alarm contacts, and shunt trip devices.
  • .Operational status indicated by dual-color LED: steady green for normal WiFi connection, red for fault tripping, and flashing green for network configuration mode.
  • Action time ≤1s, compatible with RCCB/MCB/RCBO.

Application Examples: Suitable for smart homes and photovoltaic systems, enabling remote control and scheduled management.

Installation and Usage Instructions

Compatibility with MCB and RCCB: Install the module on a DIN rail, ensuring the clip is securely fastened. Supports 1P-4P configurations.

Accessory Integration: Can be paired with accessories such as auxiliary contacts.

Operating Modes:

AUTO Mode: Enables remote closing/opening via the app.

MANU Mode: Allows only manual operation; app commands are disabled.

Closing Lockout: During maintenance, pull down the lockout mechanism and secure with a padlock to prevent accidental operation.

Model GRD9L-W
Control mode WIFI
Supply terminals A1-A2
Voltage range AC 220V(50/60Hz)
Power input AC max.1VA(standby) max.20VA(action)
Supply voltage tolerance -10%;+10%
Supply indication red LED
Action time ≤1s
WIFI connectivity 802.11 b/g/n 2.4GHz
Mechanical life 10000
Electrical life(AC1) Refer to MCB / RCCB /RCBO catalogue
Operating temperature -20℃ to +55℃
Storage temperature -35℃ to +75℃
Max.cable size(mm²) Solid wire max 1×2.5 or 2×1.5/
with sleeve max.1×2.5(Awg 12)
Mounting/DIN rail Din rail EN/IEC 60715
Protection degree IP20
Operating position any
Overvoltage cathegory III.
Pollution degree 2
Dimensions 82X18X78mm
Weight 80g

Combination with accessories

Model GRD9L-W
Auxillary contact Yes
Alarm contact Yes
Shunt release Yes
Under voltage release Yes

 

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