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CH403-3-NTC-CU - Cooling Controller

7 Segment LED Display


Features

• 3 Digit 7, Segment LED

• °C / °F

• Defrost Management

• High and Low Temperature Alarm

• Up to 20A Relay Output

• Compact Size

• Easy to use

• Size: 36mm x 72mm

Analog / Digital Protection Relays

Protection
Altech is pleased to offer a variety of protection relays covering:

  • Phase Monitoring

  • Voltage Monitoring

  • Current Monitoring

  • Frequency Monitoring

Current Leakage / Ground Fault Monitoring Protection relays help to maintain systems and ensure that proper action is taken when a fault is detected. Such functions help to preserve productivity and operational effectiveness of integral components.

Specifications

Part Number CH403-3-NTC-CU
Supply Voltage 85-270V AC/DC
LED Indication Set point lock / Defrost / Relay ON / Alarm
Process Contollers - Input Voltage 85-270V AC/DC (50/60Hz)
Input Measurement NTC probe
Main Output SPDT - 10A @ 230V AC, resistive Optional- SPST - 20A @ 230V AC, resistive (no alarm)
Hysteresis 0.1-9.9°
Power Consumption 5VA max @230V AC
Operating Temperature 0 to 50°C (32 to 122°F)
Storage Temperature -20 to 75°C (-4 to 167°F)
Humidity (Non-Condensing) 95% Relative Humidity
Weight 110 grams (.242 lbs)
Display Type 7 Segment LED Display
Digits 1 row of 3 digits
Resolution 1/0.1 Degree for NTC
Control Output 10A Relay
Control Action On-Off
Alarm Mode High alarm, Low Alarm
Temperature Unit °C / °F
Set Points 1
Thermistor Range -40 to 100° C
Optional Alarm Output SPST - 5A @ 230V AC, resistive OR SSR Drive - 12V DC, 10mA
Modes Heat and Cool
Defrost Time / Frequency Programmable from 0-99min , 0-99 sec/min/hr
Restart Time Delay Adjustable 0-99min
NTC Input 0.25% of Full Scale ±1°C
Alarm Output 5A Relay

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