Overview of EOCRiFM420 Schneider Communication Protector

Manufacturer/Brand

Schneider Electric

Product Range (Series)

EOCRseries

Model Name

EOCR-iFM420Digital motor protection relay (split display)

place of origin

Yishan Factory, South Korea

Authorized General Agent in China

Shanghai Hanshi Electric Automation Equipment Co., Ltd

Protection function setting range

Protection setting range

0.5~32 A(inverse time limit/heat accumulation inverse time limit), use external CT for 32A and above
0.5-80 A (timed limit), external CT is used for 80A and above

The external CT current range can be extended to 800 A

Time Setting

Overload protection OC: timed limit (0.2-30 seconds); Inverse time limit (1-30 classes)

Underload protection UC: timed limit (0.5-30 seconds)

Phase loss protection PL: 0.5 to 5 seconds (can be set to turn off)

Reverse protection RP: Action time 0.15 seconds

Unbalance protection Ub: action time 1-10 seconds, set range 10-50%

Starting blockage Sc:+0.5 seconds after the start delay (D-Time) ends

Running stall JA: 0.2 to 10 seconds

Start delay D-Time

0–200 s， closable

Measurement and communication functions

Analog output

4 – 20 mA (Load ≤ 500 Ω)

communication interface

Communication protocol: Modbus RTU

Communication method: RS-485

Baud rate: 2400~38400 bps

measurement accuracy

± 1%, True RMS (32-bit MCU)

THDmonitor

Display when total harmonic distortion occurs, alarm threshold can be set

Electrical parameter monitoring

Real time display of three-phase current, alarm and action reasons

Electrical and mechanical characteristics

Control power supply (Us)

U：100–240 V AC/DC

B：24 V AC/DC

power frequency

50/60 Hz

Installation method

35 mm DINGuide rail+panel screws

output contact

1NC + 1 NO (95-96/97-98)Overload trip (OL)

Fuse specifications

By 4 A gG

Rated voltage of main circuit [Ue]

600 V AC， 50-60 Hz (main circuit, UL compliant)

690 V AC， 50-60 Hz (main circuit, compliant with CSA)

690 V AC， 50-60 Hz (main circuit, compliant with IEC 60947-4-1)

Impact withstand voltage (Uimp)

6 kV(Complies with IEC 60947-4-1)

reset method

Manual reset (RESET)

Automatic reset (0.5-1200 seconds)

Electrical reset (power-off reset, 0-1 second)

Communication remote reset (via Modbus communication)

display interface

Bar load chart+5-digit seven segment LED

Relay power consumption

3 W

Ith /contact rating

Ith 3 A；250 V AC 3 A

Wiring specifications

Control circuit cable: 2 × 1-1.5 mm ² (with/without terminal flexible cable M3)

Control circuit cable: 1 × 1-2.5 mm ² (with/without terminal flexible cable M3)

Main circuit terminal: 1 × 2.5-25 mm ² (flexible cable M6 without terminal)

tightening torque

Control circuit terminal: 0.8-1.2 N · m (cable diameter 4.7 mm)

Main circuit terminal: 2.5 N · m (terminal clamp diameter 11 mm)

External dimensions/weight

WWindow type (W × H × D): 70 × 74.5 × 83.8 mm0.315 kg

HBottom hole type (W × H × D): 70 × 56.3 × 108.1 mm0.355 kg

TTerminal type (W × H × D): 70 × 91.3 × 108.1 mm0.473 kg