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Schneider EGR-20USAM | MODBUS-RTU 8Pin Socket, Current ZCT

Schneider EGR-20USAM | MODBUS-RTU 8Pin Socket, Current ZCT

Schneider Electric
Availability:

In stock

Schneider EGR-20USAM | MODBUS-RTU 8Pin Socket, Current ZCT

6,383.77 EGP 11,821.80 EGP

In stock

Schneider EGR-20USAM | MODBUS-RTU 8Pin Socket, Current ZCT

General Description:

The Schneider EGR-20USAM is a communication module designed to interface with ZCT (Zero Phase Current Transformers) and EOCR protection devices. It features MODBUS-RTU communication via an 8-pin socket, allowing real-time monitoring and data exchange between protective relays and PLCs or SCADA systems.

Key Features:

  • Model: EGR-20USAM

  • Communication Protocol: MODBUS-RTU

  • Connection Type: 8-pin socket

  • Application: Current transformer (ZCT) interface

  • Function: Enables communication and data transmission from EOCR/ZCT to external systems

  • Voltage Supply: Typically 24V DC (check datasheet for confirmation)

Technical Specifications:

  • MODBUS Interface: RS-485

  • Baud Rate Support: Multiple standard rates (e.g., 9600, 19200 bps)

  • Pin Configuration: 8-pin modular socket for easy installation

  • ZCT Compatibility: Designed to work with Schneider EOCR series and ZCTs (e.g., ZCT-035, ZCT-080, ZCT-120)

  • Indicator LEDs: Communication and power status

  • Mounting: DIN rail or panel mount

  • Operating Temperature: -10°C to +60°C

Typical Applications:

  • Motor protection systems using EOCR relays

  • Leakage and ground fault current detection

  • Integration into MODBUS-based SCADA/PLC systems

  • Remote monitoring and control in industrial automation

  • Energy and maintenance management in electrical panels

Benefits:

  • Reliable communication between protection devices and central systems

  • Plug-and-play setup with modular 8-pin socket

  • Real-time data transmission for enhanced safety

  • Compact design for space-saving in control panels

  • Compatible with Schneider’s EOCR + ZCT systems

SKU: EGR-20USAM Category: Brand:
Main
range of product EOCR
Device short name EGR
Product or component typee Protection relay
Protection type Earth fault, Ig > Ig setting
Product specific application Ground fault protection
Network type AC
Network frequency 50…60 Hz
protection ajustment range 0.2…2.5 A
Tripping threshold 0.2…2.5 A – earth fault current
Complementary
[Us] rated supply voltage 110…220 V AC
Mounting support 35 mm DIN rail
Panel
Contacts type and composition 1 C/O (GR)
Short-circuit and overload protection By 4 A gG fuse
[Ue] rated operational voltage 600 V AC 50…60 Hz for power circuit conforming to UL
690 V AC 50…60 Hz for power circuit conforming to CSA
690 V AC 50…60 Hz for power circuit conforming to IEC 60947-4-1
[Uimp] rated impulse withstand voltage 6 kV conforming to IEC 60947-4-1
Reset Manual reset
Electrical 0…1 s by interruption of power supply
Automatic reset 0.3 s
Time delay type E-Time: 0.2…2 s
Display type 2 LEDs
power consumption per relay 3 W
Connections – terminals Control circuit: cable 2 x 1…1.5 mm²flexible with cable end – M3
Control circuit: cable 2 x 1…1.5 mm²flexible without cable end – M3
Control circuit: cable 1 x 1…2.5 mm²flexible with cable end – M3
Control circuit: cable 1 x 1…2.5 mm²flexible without cable end – M3
Tightening torque Control circuit: 0.8…1.2 N.m on cable, 4.7 mm
height 52 mm
Width 70 mm
Depth 71 mm
Net weight 0.245 kg
Environment
Standards IEC 60947-4-1
IP degree of protection IP20 conforming to IEC 60529
Ambient air temperature for operation -20…60 °C conforming to IEC 60947-4-1
Ambient air temperature for storage -30…80 °C
Operating altitude 2000 m
Fire resistance 650 °C conforming to IEC 60695-2-12
960 °C conforming to UL 94
Shock resistance 15 gn for 11 ms conforming to IEC 60068-2-7
Vibration resistance 4 gn on panel mounting conforming to IEC 60068-2-6
2 gn on 35 mm DIN rail conforming to IEC 60068-2-6
Dielectric strength 2 kV 50…60 Hz in between case and circuit conforming to IEC 60255-5
1 kV 50…60 Hz in between contact conforming to IEC 60255-5
2 kV 50…60 Hz in between circuit conforming to IEC 60255-5
Surge withstand 6 kV conforming to IEC 61000-4-5
Electromagnetic compatibility Resistance to radiated electromagnetic fields: 10 V/m level 3 conforming to IEC 61000-4-3
Resistance to electrostatic discharge: 8 kV air, 6 kV contact conforming to IEC 61000-4-2
Resistance to fast transient: 2 kV conforming to IEC 61000-4-4
Conducted RF disturbances: 10 V conforming to EN 61000-4-6
Conducted RF disturbances: class A conforming to EN 55011
[Ith] conventional free air thermal current 5 A for control circuit
Permissible current 250 V, 5 A AC
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 11.5 cm
Package 1 Width 9.4 cm
Package 1 Length 10.5 cm
Package 1 Weight 283.0 g
Contractual warranty
Warranty 18 months
Main
range of product EOCR
Device short name EGR
Product or component typee Protection relay
Protection type Earth fault, Ig > Ig setting
Product specific application Ground fault protection
Network type AC
Network frequency 50...60 Hz
protection ajustment range 0.2…2.5 A
Tripping threshold 0.2...2.5 A - earth fault current
Complementary
[Us] rated supply voltage 110...220 V AC
Mounting support 35 mm DIN rail Panel
Contacts type and composition 1 C/O (GR)
Short-circuit and overload protection By 4 A gG fuse
[Ue] rated operational voltage 600 V AC 50...60 Hz for power circuit conforming to UL 690 V AC 50...60 Hz for power circuit conforming to CSA 690 V AC 50...60 Hz for power circuit conforming to IEC 60947-4-1
[Uimp] rated impulse withstand voltage 6 kV conforming to IEC 60947-4-1
Reset Manual reset Electrical 0…1 s by interruption of power supply Automatic reset 0.3 s
Time delay type E-Time: 0.2...2 s
Display type 2 LEDs
power consumption per relay 3 W
Connections - terminals Control circuit: cable 2 x 1…1.5 mm²flexible with cable end - M3 Control circuit: cable 2 x 1…1.5 mm²flexible without cable end - M3 Control circuit: cable 1 x 1…2.5 mm²flexible with cable end - M3 Control circuit: cable 1 x 1…2.5 mm²flexible without cable end - M3
Tightening torque Control circuit: 0.8...1.2 N.m on cable, 4.7 mm
height 52 mm
Width 70 mm
Depth 71 mm
Net weight 0.245 kg
Environment
Standards IEC 60947-4-1
IP degree of protection IP20 conforming to IEC 60529
Ambient air temperature for operation -20…60 °C conforming to IEC 60947-4-1
Ambient air temperature for storage -30…80 °C
Operating altitude 2000 m
Fire resistance 650 °C conforming to IEC 60695-2-12 960 °C conforming to UL 94
Shock resistance 15 gn for 11 ms conforming to IEC 60068-2-7
Vibration resistance 4 gn on panel mounting conforming to IEC 60068-2-6 2 gn on 35 mm DIN rail conforming to IEC 60068-2-6
Dielectric strength 2 kV 50...60 Hz in between case and circuit conforming to IEC 60255-5 1 kV 50...60 Hz in between contact conforming to IEC 60255-5 2 kV 50...60 Hz in between circuit conforming to IEC 60255-5
Surge withstand 6 kV conforming to IEC 61000-4-5
Electromagnetic compatibility Resistance to radiated electromagnetic fields: 10 V/m level 3 conforming to IEC 61000-4-3 Resistance to electrostatic discharge: 8 kV air, 6 kV contact conforming to IEC 61000-4-2 Resistance to fast transient: 2 kV conforming to IEC 61000-4-4 Conducted RF disturbances: 10 V conforming to EN 61000-4-6 Conducted RF disturbances: class A conforming to EN 55011
[Ith] conventional free air thermal current 5 A for control circuit
Permissible current 250 V, 5 A AC
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 11.5 cm
Package 1 Width 9.4 cm
Package 1 Length 10.5 cm
Package 1 Weight 283.0 g
Contractual warranty
Warranty 18 months

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