PRODUCT DESCRIPTION
SIEMENS 3RR2242-1FA30 - Current Monitoring Relay
This device is a SIEMENS SIRIUS 3RR2 series current monitoring relay designed for direct integration with 3RT2 contactors. It provides comprehensive digital current monitoring functions including overcurrent, undercurrent, wire break, phase unbalance, phase sequence, and phase failure detection. The unit is engineered for industrial control applications requiring precise motor and load protection, facilitating predictive maintenance and operational reliability through IO-Link communication.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RR2
- COMPONENT TYPE: Current Monitoring Relay
- ELECTRICAL SPECS:
- OPERATING CURRENT RANGE: 2-40 A (for main circuit)
- CONTROL SUPPLY VOLTAGE: 24 V DC
- AUXILIARY CONTACTS: 1 NO + 1 NC
- MECHANICAL/PHYSICAL:
- MOUNTING: Direct mounting onto 3RT2 contactors (sizes S00, S0, S2, S3)
- TERMINALS: Spring-loaded terminals
- FORM FACTOR: Compact, designed for panel integration with contactors
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOL: IO-Link (V1.1)
- FEEDBACK: Digital outputs for status and fault indication
- PARAMETERIZATION: Via IO-Link master or local pushbuttons
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Contactor-mounted
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Motor control circuits, pump systems, conveyor belts, HVAC systems, general industrial machinery
- COMPATIBLE CONTACTORS: SIEMENS SIRIUS 3RT2 contactors (S00, S0, S2, S3 frame sizes)