Siemens 3RV1031-4DA10 is a Sirius series thermal motor protector with an adjustable 18–25 A range and a three-pole configuration for overload and short-circuit protection. It is rated to 690 V at 50/60 Hz, mounts on a standard 35 mm DIN rail, and includes screw terminals and a rotary ON/OFF handle. Protection is provided by bimetallic heating elements, magnetic trip elements, and a differential trip bar with trip class 10.
Adjustable current range 18–25 A, three poles, trip class 10 for motor overload protection
Thermal magnetic design with bimetallic heating elements, magnetic trip elements, and phase-loss sensitive differential trip bar
Mounts on 35 mm DIN rail or screw/snap-on; screw terminals and rotary ON/OFF handle; size S2
Product Highlights
Thermal motor protector, adjustable 18–25 A, 3-pole, 690 V, DIN-rail mount
Product Information
Standard Information
Brand: SIEMENS
Manufacturer Part Number: 3RV1031-4DA10
Country of Origin: Germany
Technical Specifications
Brand
SIEMENS
MPN
3RV1031-4DA10
Series
Sirius
Product Type
Thermal motor protector / circuit breaker
Size
S2
Poles
3
Input Voltage
690 V AC
Frequency
50/60 Hz
Current Range
18-25 A (adjustable)
Trip Class
Class 10
Short-circuit protection
Magnetic trip elements
Over-current element
Bimetallic heating elements (including fourth strip to reduce nuisance trips)
Phase-loss protection
Differential trip bar
Handle
Rotary ON/OFF
Terminals
Screw terminals
Mounting Type
Standard 35 mm DIN rail; screw/snap-on
Wire Capacity
(2) 0.75 to 16 mm² solid; (2) 0.75 to 25 mm²; (1) 0.75 to 35 mm² stranded