3RS1042-1GW70

Product Description

['Home', 'Monitoring Relays', 'Siemens 3RS', '3RS1042-1GW70'] Need Siemens 3RS1042-1GW70? Temperature Monitoring Relay for Industrial temperature monitoring and protection systems. Supplied with full traceability and... Price & Availability Classified as a temperature monitoring relay, it is positioned as a direct replacement and service part for existing installations. It is intended for use within Industrial temperature monitoring and protection systems, where dependable operation and a precise fit are essential to keeping the plant running. Listed as Mature, it is offered as a maintained and verified spare that supports the continued operation of the installed base. Key technical specifications include: The Product Type is Temperature monitoring relay. Its Sensor Types is rated at Pt100 / Pt1000, KTY83/84, NTC. For reference, the Measuring Range is -50 C to 750 C (sensor-dependent). The Adjustable Thresholds is 2 threshold values, digitally adjustable. Its Supply Voltage is rated at 24-240 V AC/DC. For reference, the Output Contacts is 2 x 1 changeover (CO) + 1 normally open (NO). The Width is 45 mm. Its Country of Origin is rated at Germany. For reference, the Status is Phased-out (preferred successor 3RS2600-1BW30). Notable features of this unit: Supports Pt100, Pt1000, KTY83/84 and NTC temperature sensors. Two digitally adjustable threshold values for flexible monitoring. Wide measuring range from -50 C to 750 C (sensor-dependent). Broad 24-240 V AC/DC supply voltage for easy integration. 2 changeover plus 1 normally-open output contacts. Typical applications include Overtemperature and undertemperature monitoring of motors and transformers, Process temperature limit monitoring in industrial plants, Machine and cabinet thermal protection. It is compatible with or cross-references Pt100 / Pt1000 / KTY / NTC temperature sensors, Siemens SIMATIC PLC and safety systems, Motor and transformer thermal protection circuits, Heating and process temperature control panels. Equivalent / cross-reference designation: Preferred successor 3RS2600-1BW30. Within industrial automation and process-control environments, components of this type are relied upon to keep critical equipment operating safely and efficiently. They are typically specified where uptime, repeatability and a predictable maintenance cycle matter more than upfront cost. A temperature monitoring relay such as this one forms part of a larger machine or system, so correct identification and fitment directly affect the performance and safety of the whole installation. Siemens parts are widely used across power generation, manufacturing, oil and gas, water and process industries, where engineering teams standardise on proven series to simplify spares planning. When selecting a replacement, confirm the exact model designation and verify that the mechanical and electrical interface matches the unit currently installed. Cross-checking the order code, mounting style and connection type against the existing device helps avoid compatibility issues and unplanned downtime during a maintenance window. Where several variants exist, the suffix often defines voltage, range or firmware, so it should be matched precisely rather than approximated. This item is offered from our active stock of current and discontinued industrial parts. Each listing is verified against the manufacturer designation before shipment so you receive the correct part for your application. Availability and lead time vary by item; our team can confirm the fastest option for your required quantity and provide a formal quotation on request. Common questions: Regarding "What supply voltage does it need": It operates from 24-240 V AC/DC, making it compatible with most industrial control voltages. Regarding "Is the 3RS1042-1GW70 still available": It is a phased-out product; Siemens recommends the 3RS2600-1BW30 as the preferred successor. Contact supplier for availability. Please contact us to confirm current pricing, availability and delivery for your required quantity; volume and project pricing are available on request. The Siemens 3RS1042-1GW70 is a temperature monitoring relay. Basic Product Information Two digitally adjustable threshold values for flexible monitoring Wide measuring range from -50 C to 750 C (sensor-dependent) Broad 24-240 V AC/DC supply voltage for easy integration 2 changeover plus 1 normally-open output contacts Supports Pt100, Pt1000, KTY83/84 and NTC temperature sensors Technical Specifications Version & Model Difference The 3RS1042-1GW70 belongs to the 3RS10 monitoring-relay family. It is phased out and Siemens recommends the 3RS2600-1BW30 as the preferred successor. Contact supplier for cross-reference and alternative models. Application Scenarios Overtemperature and undertemperature monitoring of motors and transformers Process temperature limit monitoring in industrial plants Machine and cabinet thermal protection What supply voltage does it need? It operates from 24-240 V AC/DC, making it compatible with most industrial control voltages. Is the 3RS1042-1GW70 still available? It is a phased-out product; Siemens recommends the 3RS2600-1BW30 as the preferred successor. Contact supplier for availability. What output contacts does it provide? It provides two changeover (CO) contacts and one normally-open (NO) contact. Which sensors work with the 3RS1042-1GW70? It works with Pt100, Pt1000, KTY83/84 and NTC sensors across a -50 C to 750 C range depending on the sensor. 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