SIEMENS 3UG4616-1CR20 REVERSIBLE PHASE SEQUENCE
SKU: #401009
Part: #3UG4616-1CR20
UPC: 754554931463
SIEMENS 3UG4616-1CR20 REVERSIBLE PHASE SEQUENCE
SKU: #401009
Part: #3UG4616-1CR20
UPC: 754554931463
Description
SIEMENS 3UG4616-1CR20 Reversible Phase Sequence Monitoring Relay
The SIEMENS 3UG4616-1CR20 is a digitally adjustable line monitoring relay designed for reliable phase sequence monitoring with additional phase and neutral conductor failure detection, overvoltage and undervoltage protection. It is engineered for use in three-phase electrical networks, providing essential protection and diagnostics for industrial plants and machinery. This device is suitable for electrical distributors, lighting solutions providers, wire and cable systems, and switchgear suppliers requiring precise phase monitoring and fault detection.
Specifications
- Manufacturer: Siemens
- Manufacturer Part #: 3UG4616-1CR20
- Product Weight: 0.3200 kg
- Rated insulation voltage (Ui): 690 V
- Overvoltage category: III acc. to VDE 0110
- Rated impulse withstand voltage (Uimp): 6 kV
- Load capacity of output relay (conventional thermal current Ith): 5 A
- Rated operational current Ie at AC-15/24...400 V: 3 A
- Minimum contact load at 17 V DC: 5 mA
- Electrical endurance AC-15: 0.1 million operating cycles
- Mechanical endurance: 10 million operating cycles
- Dimensions (W x H x D): 22.5 mm x 103 mm x 91 mm (spring-type terminals)
- Permissible ambient temperature during operation: -25 to +60 °C
- Connection type: Spring-type terminals or screw terminals
- Voltage range: 90 to 400 V AC against neutral conductor
- Adjustable hysteresis: 1 to 20 V
- Adjustable delay times for overvoltage and undervoltage: 0 to 20 seconds
- Auto or manual RESET selectable
Features
- Monitors phase sequence, phase failure including neutral conductor failure, overvoltage and undervoltage
- Digitally adjustable parameters via three-button interface with display for actual values and fault diagnostics
- Operates on open-circuit or closed-circuit principle
- Unbalance threshold adjustable from 0 to 20%
- Auto or manual RESET for flexible fault response
- Wide voltage range input with internal power supply
- Reliable phase failure detection despite load feedback up to 80%
- Compact 22.5 mm width for reduced control cabinet space
- Removable terminals for easy device replacement without rewiring
- Suitable for industrial energy management and contributes to system availability and protection
