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CTT-8

   CTT-8

CTT-8 N° 8 PT100 sensors. 2 alarm levels. Maximum values. RS485.

Temperature measuring unit. 8 PT100 RTD sensors. Control and safety of power transformers.


Introduction
Range CTT
Product name CTT-8
Product type Temperature monitor device

Technical characteristics
Device application Temperature monitoring of power transformers
Type of measurement Display of instantaneous and maximum temperature
Double intervention level: alarm (ALARM) and trip (TRIP)
Self-diagnosis function for anomalies or incorrect installation (FAULT)
Possibility of activating forced ventilation (FAN)
Supply voltage 20...250 VAC/DC
115-230-400 VAC 50...60 Hz (optional)
Power consumption 4 VA
Display type LED 7 digit
Measure inputs 8 PT100 RTD (not included)
Sensor type 3 wires (2 and 4 wire versions also supported)
Specific error 1 degree every 0,39 ?
Measurement range 0...220 °C +/- 2
Compensation 20 ? max
Tripped delay/hysteresis 5 s/2 °C
Output relays 4
Output type NA-C-NC
Programmable functions Alarm
Trip
Fan
Self-diagnosis
Mounting mode Flush mount 96x96 mm
Standards CEI EN 50081-2
CEI EN 50082-2
CEI 14.1
CEI EN 60255
Weight 500g

Environment
IP degree of protection IP52 front
IP20 terminals
Relative humidity 5...90%
Operating temperature -10...+55 °C
Storage temperature -25...+80 °C

Options
Transparent cover IP65
Number of analog outputs 1
Communication port RS485 Modbus

 

 

  

　
　

　

杭州嘉瑞电气有限公司 JR Electric(China) Co.,Ltd. 地址:杭州凤起东路8号江能大厦505/529室  邮编(Zip):310020

电话(Tel): 0571-86966638  传真(Fax):0571-86036013  E-mail:info@jre.com.cn  Web:www.jre.com.cn