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Siemens 3RS1000-1CD20 Pt100 Temperature Monitoring Relay

Siemens 3RS1000-1CD20 Pt100 temp monitoring relay, 0-200°C, 24V AC/DC.

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ManufacturerSiemens

Part number3RS1000-1CD20

Part Number 3RS1000-1CD20

Manufacturer Siemens

Type Temperature Monitoring Relay

Sensor Type Pt100

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12-month warranty

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Pt100 temperature monitoring 0-200°C adjustable range 24 V AC/DC supply Quiescent current principle 1 NO + 1 NC output contacts 22.5 mm width

Product description

The Siemens 3RS1000-1CD20 is a temperature monitoring relay designed for Pt100 sensors, with an adjustable temperature range of 0 °C to 200 °C. It operates on 24V AC/DC and features a quiescent current principle with 1 normally open (NO) and 1 normally closed (NC) contact.

This relay is suitable for monitoring temperature in various industrial applications, such as machinery, HVAC systems, and process control, to prevent overheating or ensure optimal operating temperatures. Its 22.5 mm width makes it space-efficient in control cabinets.

Stanlo Automation, a veteran-owned business, supplies essential industrial automation parts, including phased-out items like the Siemens 3RS1000-1CD20. Trust us to provide the components needed to keep your equipment running reliably.

Technical specifications

Part Number	3RS1000-1CD20
Manufacturer	Siemens
Type	Temperature Monitoring Relay
Sensor Type	Pt100
Temperature Range	0 °C to 200 °C
Supply Voltage	24 V AC/DC
Contacts	1 NO + 1 NC
Principle	Quiescent Current
Width	22.5 mm

Common applications

Machine temperature monitoring

HVAC control

Process temperature control

Industrial automation

Overheating protection

Equipment monitoring

Compatible systems

Siemens control systems with Pt100 sensors

Also known as

Siemens 3RS1000-1CD20 3RS10001CD20

Replaces / compatible with

This product is phased-out. The preferred successor is Siemens 3RS2500-1AA30.

Technical note

Expert tip

Utilizes the quiescent current principle, meaning the relay output changes state when the Pt100 sensor circuit is broken or the set temperature limit is exceeded.

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Frequently asked questions

What type of temperature sensor does the Siemens 3RS1000-1CD20 relay use?

The Siemens 3RS1000-1CD20 temperature monitoring relay is designed to work with Pt100 temperature sensors, allowing for precise temperature monitoring within its 0°C to 200°C range.