{"product_id":"abb-ai815-8-channel-analog-input-module-4-20ma-hart-s800-i-o-24v-dc","title":"TECSYSTEM NT538AD 8-Channel Temperature Controller 4-20mA RS485 Modbus for Transformer","description":"\u003cdiv\u003e\u003cspan\u003eTECSYSTEM NT538AD 8-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 NT538AD is an 8-channel smart temperature monitor based on an electronic microcontroller, specifically designed for temperature monitoring of electric motors and medium-voltage dry-type\/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 industrial electrical equipment.\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: NT538AD\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Input Channels: 8 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 (10A\/250V AC) + 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: -40°C to +200°C\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Measuring Accuracy: ±0.5°C\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: 100 x 100 mm (panel), depth 131 mm (including terminals), cutout 92 x 92 mm\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\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· Programmable Thresholds: Independent alarm, trip, and fan start\/stop temperature settings for all 8 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\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, for North American market)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· RINA (optional, for marine applications)\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· Industrial Automation Control Systems\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Temperature Monitoring for Medium-Voltage Dry-Type\/Cast Resin Transformers\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Electric Motor Thermal Protection\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· 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\u003cp\u003e \u003c\/p\u003e","brand":"TECSYSTEM","offers":[{"title":"Default Title","offer_id":43999318638680,"sku":null,"price":600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/2799\/9320\/files\/NT538-AD.3.jpg?v=1776313700","url":"https:\/\/gexufein.com\/products\/abb-ai815-8-channel-analog-input-module-4-20ma-hart-s800-i-o-24v-dc","provider":"Gexufein Automation","version":"1.0","type":"link"}