EWPlus E0 974 Eliwell Digital Temperature Controller

The Eliwell EWPlus 974 EO is a high performance digital temperature controller, designed to offer optimised, energy-saving, and flexible control solutions for both commercial and industrial refrigeration.

Key specifications:

• Classification: control device (not safety) to integrate
• Mounting: panel mounting with 71x29 mm (+0.2/-0.1 mm) drilling template
• Control type: 1.B
• Pollution rating: 2
• Material class: IIIa
• Overvoltage category class: II
• Nominal impulsive voltage: 2500Va
• Operating Temperature: –5 to +55 °C –
• Storage Temperature: –30 to +85 °C
• Power Supply: 230Va (±10%) 50/60 Hz
• Consumption: 4,5W max

Input Characteristics:

• Display Range: NTC: –50.0°C  to +110°C (on display with 3 digit + sign)
• Accuracy: Better than 0,5% of full-scale + 1 digit
• Resolution: 0,1 °C
• Buzzer: YES (it depends from model)
• Analogue Input: 2 NTC
• Digital Input: 1 voltage-free digital input (D.I.1)

NOTES:D.I.1 can also be configured as a probe input (H11 = 0 and H43 = y)

Output Characteristics

• Digital Output: 1 Compressor relay: EN60730-1 7 (7)A max 250Va 1 AUX relay: 2(2)A max 250Va

Mechanical Characteristics 

• Casing: PC+ABS UL94 V-0 resin casing, polycarbonate window, thermoplastic resin keys
• Dimensions: front panel 74x32 mm, depth 59 mm (without terminals)
• Terminals: screw/disconnectable terminals for cables with a diameter of 2.5mm2 Connectors: TTL for connection of Copy Card
• Humidity: Operating / Storage: 10…90 % RH (non-condensing)