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Siemens
3RS1042-1GW70
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This part is currently sold out
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RS1042-1GW70 |
| Alternative Part Number | 3RS10421GW70 |
| Manufacturer | Siemens |
| Product Type | Temperature Monitoring Relay |
| Voltage Type | AC/DC |
| Supply Voltage Frequency | 50/60 Hz |
| Supply Voltage Range | 24 to 240 V |
| Number of Measuring Circuits | 1 |
| Product Function | Defect storage, External reset |
| Measurable Temperature Range | -50 °C to 750 °C (sensor-dependent) |
| Sensor Compatibility | PT100/1000, KTY83/84, NTC (resistance sensors) |
| Number of Contacts | 0 NC (Normally Closed), 1 NO (Normally Open), 2 CO (Change-Over) |
| Connection Type | Screw-type terminals, Plug-in socket |
| Mounting Method | Screw and snap-on mounting onto 35 mm standard mounting rail |
| Dimensions (Height x Width x Depth) | 106 mm x 45 mm x 91 mm |
| Ambient Operating Temperature | -25 °C to +60 °C |
| Certificates/Approvals | General Product Approval, Declaration of Conformity, Miscellaneous Confirmation |
| Designation Code | According to IEC 81346-2: K |
| Power Loss | Maximum 4 W |
| Power Loss (VA) | Maximum 7 V·A |
The Siemens 3RS1042-1GW70 is a sophisticated temperature monitoring relay designed to provide precise temperature regulation and monitoring for a wide range of industrial applications. This relay is compatible with various sensor types including PT100/1000, KTY83/84, and NTC resistance sensors, making it a versatile solution for temperature control.
With the capability to handle two threshold values that are digitally adjustable, the 3RS1042-1GW70 can manage temperatures ranging from -50 °C to 750 °C, depending on the sensor used. This broad range ensures suitability for diverse environments and processes where temperature accuracy is critical.
The unit operates with a supply voltage range of 24 to 240 V AC/DC, accommodating various power systems and ensuring reliable performance across different regions. The relay features a compact design with a width of 45 mm, allowing for efficient use of space in control cabinets.
For ease of integration, the 3RS1042-1GW70 comes equipped with screw-type terminals for secure electrical connections, and it supports plug-in sockets for quick maintenance and setup. The relay can be easily mounted onto a 35 mm standard mounting rail, either by screw or snap-on mounting, facilitating straightforward installation.
The relay's design includes two change-over (CO) contacts and one normally open (NO) contact for auxiliary controls, providing flexibility in configuring control circuits. Additionally, the device includes an error memory function and supports external reset, enhancing its operational reliability and ease of use.
Engineered for durability and consistent operation, the Siemens 3RS1042-1GW70 temperature monitoring relay is an essential component for industrial systems requiring precise temperature control and monitoring.
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Frequently Asked Questions
What is the temperature range that the temperature monitoring relay can measure?
The temperature monitoring relay is designed to measure temperatures ranging from -50 °C to 750 °C, depending on the sensor connected.
Can this relay be used with different types of temperature sensors?
Yes, the relay is compatible with a variety of resistance sensors including PT100/1000, KTY83/84, and NTC.
What are the dimensions of this temperature monitoring relay?
The relay has a height of 106 mm, a width of 45 mm, and a depth of 91 mm.
How can this relay be mounted?
The relay can be mounted using screws or snapped onto a 35 mm standard mounting rail.
What type of electrical connections does the relay support?
The relay supports screw-type terminals for auxiliary and control circuits, as well as a plug-in socket.
Does the relay have a memory function for detecting faults?
Yes, the relay includes an error memory function that can store fault conditions.
Is there an option for external reset on the relay?
Yes, the relay provides an option for external reset.
What is the power loss associated with this relay?
The maximum power loss for the relay is 4 W, and the maximum apparent power loss is 7 VA.
How many measuring circuits does the relay have?
The relay is equipped with one measuring circuit.
What is the supply voltage range for the relay?
The relay can operate with a control supply voltage range of 24 to 240 V, for both AC and DC.
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