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Omron E5EC-RR4A5M-009 — Process / Temperature Controllers

Omron E5EC-RR4A5M-009 Temperature Controller, 6 Relay Output

MPNE5EC-RR4A5M-009

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Omron E5EC Series, Process, Temperature Controller (RTD, B, E, J, K, L, N, PLII, R, S, T, U, W), 100-240 VAC, 6 Relay Outputs, RS-485, IP66, Panel Mount.

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Omron E5EC-RR4A5M-009 datasheet (PDF)

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

E5EC-RR4A5M-009 — Identification
Parameter	Value
Series	E5EC
Type	Process, Temperature Controller (RTD, Type B, E, J, K, L, N, PLII, R, S, T, U, W)

E5EC-RR4A5M-009 — Electrical
Parameter	Value
Supply voltage	100 ~ 240VAC

E5EC-RR4A5M-009 — Performance
Parameter	Value
Control method	On/Off, Proportional (PID)
Features	Event Input, Heater Fault Detection

E5EC-RR4A5M-009 — I/O
Parameter	Value
Input range	-200°C ~ 2300°C, 0 ~ 20mA, 0 ~ 10VDC
Output type	Relay (6)

E5EC-RR4A5M-009 — Communication
Parameter	Value
Communication interfaces	RS-485 (CompoWay/F, Modbus)

E5EC-RR4A5M-009 — Display
Parameter	Value
Display type	LCD - Tri Color Characters, Backlight
Characters per row	4, 4, 4
Character height	0.710" (18.00mm), 0.433" (11.00mm), 0.307" (7.80mm)

E5EC-RR4A5M-009 — Environmental
Parameter	Value
Operating temperature	-10°C~55°C
Ingress protection (IP rating)	IP66 - Dust Tight, Water Resistant

E5EC-RR4A5M-009 — Mechanical
Parameter	Value
Mounting type	Panel Mount
Panel cutout dimensions	Rectangular - 92.00mm x 45.00mm
Termination style	Screw Terminal

Product details

The Omron E5EC-RR4A5M-009 is a process and temperature controller from the E5EC series, accepting inputs from RTDs and a wide range of thermocouples (B, E, J, K, L, N, PLII, R, S, T, U, W). It operates on 100–240 VAC, providing six relay outputs and RS-485 communication (CompoWay/F or Modbus). The controller is rated IP66 for dust-tight, water-resistant panel mounting and fits a rectangular cutout of 92.00 mm × 45.00 mm.

Panel mount into a 92.00 mm × 45.00 mm cutout with screw terminals for wiring and RS-485 (CompoWay/F or Modbus) communication. The tri-color LCD displays three rows of 4 characters each. Control methods include on/off and PID. The event input can trigger alarm reset, run/hold, or remote setpoint selection — useful for sequences where a PLC handshake is needed.

Frequently asked questions

What is E5EC-RR4A5M-009's listed type?

It is a Process and Temperature Controller supporting RTD and thermocouple types B, E, J, K, L, N, PLII, R, S, T, U, W, plus 0–20 mA and 0–10 VDC signals.