{"product_id":"tecsystem-nt538-8-channel-temperature-controller-4-relays-pt100-for-transformer","title":"TECSYSTEM NT935AD 4-Channel Temperature Controller 4-20mA RS485 Modbus 5 Relays PT100","description":"\u003cdiv\u003e\u003cspan\u003eTECSYSTEM NT935 AD 4-Channel Smart Temperature Controller\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThe TECSYSTEM NT935 AD is a 4-channel smart temperature monitor based on an electronic microcontroller, specifically designed for temperature monitoring of dry-type and cast resin transformers. This device integrates temperature monitoring, multi-stage alarms, automatic fan control, and remote communication, serving as the core control unit for thermal protection of dry-type\/cast resin transformers.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eKey Specifications:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Brand: TECSYSTEM (Italy)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Model: NT935 AD \/ Product Code 1CN0135\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Input Channels: 4 independent 3-wire PT100 platinum resistance inputs\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Output Configuration: 5 dry contact relay outputs (ALARM, TRIP, FAN1, FAN2, FAULT) + 4-20mA analog output + RS485 Modbus RTU communication\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Power Supply: 24-240V AC\/DC universal, auto-sensing, 50\/60Hz\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Measuring Range: 0°C to 240°C\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Measuring Accuracy: ±1% vfs, ±1 digit\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Display: Dual LED display showing real-time temperature, channel number, and alarm status\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Dimensions: 144 x 144 x 60 mm (W x H x D)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Net Weight: 0.6 kg\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Protection Rating: IP65 (front panel)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Operating Temperature: -20°C to +60°C\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eKey Features:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· VOTING Function: Multi-channel data logic judgment to prevent false alarms from single sensor failure, enhancing protection reliability\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· FAIL SAFE: Automatically triggers protection action on sensor open circuit or short circuit\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Remote Communication: RS485 Modbus RTU for real-time temperature monitoring and remote parameter configuration\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Analog Output: 4-20mA output for DCS\/SCADA system integration\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Programmable Thresholds: Independent alarm, trip, and fan start\/stop temperature settings for all 4 channels\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Dual Fan Control: Automatic control of two cooling fans (FAN1, FAN2)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Data Storage: Built-in EEPROM, parameters saved during power failure\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eOptional Configurations:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· cULus certification (for North American market)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· RINA certification (for marine applications)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Special coating for electronic board (for tropical climates and high humidity environments)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eApplications:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Temperature Monitoring for Dry-Type and Cast Resin Transformers\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Medium-Voltage Transformer Thermal Protection\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Industrial Electrical Equipment Temperature Monitoring\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Marine Applications (RINA certification optional)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· North American Market (cULus certification optional)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eCertifications:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· CE, EN50121-5 (standard)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· cULus (optional, North American market)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· RINA (optional, marine applications)\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"TECSYSTEM","offers":[{"title":"Default Title","offer_id":44002451587160,"sku":null,"price":681.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/2799\/9320\/files\/NT935-AD.4.jpg?v=1776336830","url":"https:\/\/gexufein.com\/products\/tecsystem-nt538-8-channel-temperature-controller-4-relays-pt100-for-transformer","provider":"Gexufein Automation","version":"1.0","type":"link"}