Relay (electric relay)

The Siemens SIRIUS 3RS1800-1AP00 coupling relay has one set of switching contacts built in, and its power supply specifications cover 24V AC/DC and 220-240V AC. It is a basic single-contact model, and its compact size makes it easy to install, replace and maintain in the distribution box.

The Siemens SIRIUS 3RS1540-1HB80 is an IO-Link temperature monitoring relay that can be used with various types of thermocouples, including J, K, T, E, N, R, S, and B. It has a wide measurement range from -99°C to 1800°C, two built-in threshold values and fault memory function, and a width of only 45mm, making it suitable for monitoring high-temperature furnaces and heat treatment equipment.

The Siemens SIRIUS 3RS1101-1CK30 is an analog temperature monitoring relay equipped with a K-type thermocouple sensor. It has a measurement range of 0-600°C, and the over-temperature threshold can be adjusted and the hysteresis range can be selected using a knob potentiometer. It features 1 NO+1 NC contacts and a 3-digit LED display. It is 22.5mm wide and suitable for various applications such as packaging, electroplating, and air conditioning.

The Siemens SIRIUS 3RS1041-2GW50 is a resistance temperature monitoring relay that can connect to PT100/1000, KTY83/84 or NTC circuits for a total of 3 groups. It has 2 digitally adjustable threshold values, a measurement range of -50 to 500°C, a power supply of 24-240V AC/DC, and a width of 45mm, making it suitable for multi-point monitoring.

The Siemens SIRIUS 3RS1041-1GW50 is a resistance temperature monitoring relay that supports three sensing circuits: KTY83/84, NTC, and PT100/1000. It has a measurement range of -50°C to 500°C, uses 2CO+1NO contacts, and is powered by 24-240V AC/DC. It is suitable for multi-point monitoring of excessively high and low temperatures in the field.

The Siemens SIRIUS 3RS1040-1GW50 is a resistance temperature monitoring relay that can be connected to PT100/1000, KTY83/84 or NTC. The measurement range is -50 to 500°C. It has one normally open contact and two switching contacts. It is powered by 24-240V AC/DC, is 45mm wide, comes with a jumper socket, and has screw terminals.

The Siemens SIRIUS 3RS1040-1GD50 is a resistance temperature monitoring relay that supports NTC, Pt100, Pt500, and Pt1000 sensors. It has a measurement range of -50 to 500°C, a power supply of 24-240V AC/DC, and a contact rated of 250V/3A. The screw terminals can be mounted on DIN rails, making it suitable for over-temperature monitoring.

The Siemens SIRIUS 3RS1000-2CD00 is the basic model of the PT100 temperature monitoring relay. It has one set of threshold values to detect over-temperature conditions, a measurement range of -50°C to 50°C, a 24V AC/DC power supply, 1NO+1NC contacts, and a housing width of only 22.5mm, making it suitable for installation in control boxes with limited space.

The Siemens SIRIUS 3RS1000-1CD10 is the basic model of the PT100 temperature monitoring relay, with a monitoring range of 0-100°C. It can be powered by 24V AC or 24V DC, with NC+NO contacts, rated at 250V AC/3A, and can be directly mounted on a DIN rail. It is suitable for over-temperature protection applications in general equipment.

The Siemens SIRIUS 3RR2443-1AA40 is an S2-size IO-Link current monitoring relay that can be installed on a 3RT2 contactor. It communicates directly with the PLC via IO-Link to monitor the motor's operating current status in real time.

The Siemens SIRIUS 3RR2442-1AA40 is an S0-size IO-Link current monitoring relay with a current setting range of approximately 4~40A. It supports IO-Link communication, making it easy to integrate with PLC systems for monitoring.

The Siemens SIRIUS 3RR2441-1AA40 is an S00 size IO-Link current monitoring relay with a current range of 1.6~16A, 24VDC power supply, and is suitable for current monitoring of small motor circuits.

The Siemens SIRIUS 3RR2243-1FW30 is an S2-sized digital current monitoring relay with a current range of 8~80A. It features an LCD display and wide voltage power supply, and is suitable for monitoring three-phase motor circuits.

The Siemens SIRIUS 3RR2242-1FW30 is an S0-size digital current monitoring relay with a current range of 4~40A. It features an LCD display and can monitor three-phase abnormalities such as phase sequence and phase loss.

The Siemens SIRIUS 3RR2241-1FW30 is an S00-size digital current monitoring relay with a current range of 1.6~16A. It features an LCD display and can monitor phase sequence, phase loss, and overload current.