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The 3RU21 thermal overload relays up to 40 A have been designed for current-dependant protection of loads with normal starting against excessive temperature rises due to overload or phase failure.

Trip Type Class 10

Overload and Phase Failure Protection

Screw Terminals

Auxiliary Contacts: 1 NO + 1 NC

Manual/Automatic RESET

Switching Position Indication

TEST Function

STOP Button

Class 10

Brand/Series	3RU Series
Contact Current Rating	2.5 A
Current Rating	1.8-2.5 A
Depth	3.346" (85mm)
Dimensions	1.772 x 3.346 x 3.346" (45 x 85 x 85 mm)
Length	1.772" (45mm)
Mounting Style	Panel Mount
Relay Type	Overload
Size	S0
Special Features	Display of Operating State on Device, RESET Button, STOP Button, TEST Function
Supply Voltage	690 V
Temperature, Operating, Maximum	70°C
Temperature, Operating, Minimum	-40°C
Temperature, Operating, Range	-40 to 70°C
Terminal Type	Screw
Type	Relay
Width	3.346" (85mm)
关键词

Brand/Series 3RU Series  Siemens Brand/Series 3RU Series  Contactor & Control Relay Overloads Brand/Series 3RU Series  Siemens Contactor & Control Relay Overloads Brand/Series 3RU Series   Contact Current Rating 2.5 A  Siemens Contact Current Rating 2.5 A  Contactor & Control Relay Overloads Contact Current Rating 2.5 A  Siemens Contactor & Control Relay Overloads Contact Current Rating 2.5 A   Current Rating 1.8-2.5 A  Siemens Current Rating 1.8-2.5 A  Contactor & Control Relay Overloads Current Rating 1.8-2.5 A  Siemens Contactor & Control Relay Overloads Current Rating 1.8-2.5 A   Depth 3.346" (85mm)  Siemens Depth 3.346" (85mm)  Contactor & Control Relay Overloads Depth 3.346" (85mm)  Siemens Contactor & Control Relay Overloads Depth 3.346" (85mm)   Dimensions 1.772 x 3.346 x 3.346" (45 x 85 x 85 mm)  Siemens Dimensions 1.772 x 3.346 x 3.346" (45 x 85 x 85 mm)  Contactor & Control Relay Overloads Dimensions 1.772 x 3.346 x 3.346" (45 x 85 x 85 mm)  Siemens Contactor & Control Relay Overloads Dimensions 1.772 x 3.346 x 3.346" (45 x 85 x 85 mm)   Length 1.772" (45mm)  Siemens Length 1.772" (45mm)  Contactor & Control Relay Overloads Length 1.772" (45mm)  Siemens Contactor & Control Relay Overloads Length 1.772" (45mm)   Mounting Style Panel Mount  Siemens Mounting Style Panel Mount  Contactor & Control Relay Overloads Mounting Style Panel Mount  Siemens Contactor & Control Relay Overloads Mounting Style Panel Mount   Relay Type Overload  Siemens Relay Type Overload  Contactor & Control Relay Overloads Relay Type Overload  Siemens Contactor & Control Relay Overloads Relay Type Overload   Size S0  Siemens Size S0  Contactor & Control Relay Overloads Size S0  Siemens Contactor & Control Relay Overloads Size S0   Special Features Display of Operating State on Device, RESET Button, STOP Button, TEST Function  Siemens Special Features Display of Operating State on Device, RESET Button, STOP Button, TEST Function  Contactor & Control Relay Overloads Special Features Display of Operating State on Device, RESET Button, STOP Button, TEST Function  Siemens Contactor & Control Relay Overloads Special Features Display of Operating State on Device, RESET Button, STOP Button, TEST Function   Supply Voltage 690 V  Siemens Supply Voltage 690 V  Contactor & Control Relay Overloads Supply Voltage 690 V  Siemens Contactor & Control Relay Overloads Supply Voltage 690 V   Temperature, Operating, Maximum 70°C  Siemens Temperature, Operating, Maximum 70°C  Contactor & Control Relay Overloads Temperature, Operating, Maximum 70°C  Siemens Contactor & Control Relay Overloads Temperature, Operating, Maximum 70°C   Temperature, Operating, Minimum -40°C  Siemens Temperature, Operating, Minimum -40°C  Contactor & Control Relay Overloads Temperature, Operating, Minimum -40°C  Siemens Contactor & Control Relay Overloads Temperature, Operating, Minimum -40°C   Temperature, Operating, Range -40 to 70°C  Siemens Temperature, Operating, Range -40 to 70°C  Contactor & Control Relay Overloads Temperature, Operating, Range -40 to 70°C  Siemens Contactor & Control Relay Overloads Temperature, Operating, Range -40 to 70°C   Terminal Type Screw  Siemens Terminal Type Screw  Contactor & Control Relay Overloads Terminal Type Screw  Siemens Contactor & Control Relay Overloads Terminal Type Screw   Type Relay  Siemens Type Relay  Contactor & Control Relay Overloads Type Relay  Siemens Contactor & Control Relay Overloads Type Relay   Width 3.346" (85mm)  Siemens Width 3.346" (85mm)  Contactor & Control Relay Overloads Width 3.346" (85mm)  Siemens Contactor & Control Relay Overloads Width 3.346" (85mm)