Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, Trip Dial: 1.1 → 1.6 A, 1.6A F.L.C, 1.6A Contact Rating, 550 W,

RS-stocknr.:: 203-2631
Fabrikantnummer:: 3RU2116-1AB1
Fabrikant:: Siemens

Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, Trip Dial: 1.1 → 1.6 A, 1.6A F.L.C, 1.6A Contact Rating, 550 W,

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€ 99,49

(excl. BTW)

€ 120,38

(incl. BTW)

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*prijsindicatie

RS-stocknr.:: 203-2631
Fabrikantnummer:: 3RU2116-1AB1
Fabrikant:: Siemens

Specificaties

Datasheets

Wetgeving en compliance

Productomschrijving

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Alles selecteren	Attribuut	Waarde
	Merk	Siemens
	Product Type	Thermal Overload Relay
	FLC Motor Rating	1.6A
	Relay Contact Current	1.6A
	Mount Type	Stand Alone
	Series	SIRIUS 3RU2
	Pole and Throw Configuration	3
	Power Rating	550W
	Normal State Configuration	1 NO/1 NC
	Terminal Type	Screw
	IP Rating	IP20
	Reset Method	Automatic & Manual
	Width	45mm
	Minimum Operating Temperature	-40°C
	Adjustable Current Range	1.1 → 1.6 A
	Number of Auxiliary Contacts	2
	Contact Voltage	690V
	Length	89mm
	Maximum Operating Temperature	70°C
	Standards/Approvals	IEC 60529, IEC 60068-2-27, EAC Approved, CSA Approved, CE Approved, CCC approved, UL Approved, IEC 81346-2, IEC 61508
	Depth	80mm
	Control Voltage	690V ac

	Alles selecteren
	Merk Siemens
	Product Type Thermal Overload Relay
	FLC Motor Rating 1.6A
	Relay Contact Current 1.6A
	Mount Type Stand Alone
	Series SIRIUS 3RU2
	Pole and Throw Configuration 3
	Power Rating 550W
	Normal State Configuration 1 NO/1 NC
	Terminal Type Screw
	IP Rating IP20
	Reset Method Automatic & Manual
	Width 45mm
	Minimum Operating Temperature -40°C
	Adjustable Current Range 1.1 → 1.6 A
	Number of Auxiliary Contacts 2
	Contact Voltage 690V
	Length 89mm
	Maximum Operating Temperature 70°C
	Standards/Approvals IEC 60529, IEC 60068-2-27, EAC Approved, CSA Approved, CE Approved, CCC approved, UL Approved, IEC 81346-2, IEC 61508
	Depth 80mm
	Control Voltage 690V ac

Land van herkomst:: DE

Siemens SIRIUS 3RU2 Series Thermal Overload Relay, 1.6A Operational current, 1.1 to 1.6A Adjustable Current Range - 3RU2116-1AB1

This thermal overload relay provides motor protection by sensing phase currents and isolating motors when overload conditions occur. Designed for stand-alone installation, it operates across 50 to 60 Hz systems with a rated control voltage of 690 V and delivers thermal tripping for three-phase circuits. The device incorporates an integrated auxiliary switch for signalling and supports both automatic and manual reset modes to suit varied control strategies.

Features and Benefits:

• 1.6 A operational current assures protection for low-power motors
• 1.1 to 1.6 A adjustable current allows precise motor matching
• 3 poles provide three-phase overload detection for balanced protection
• Class10 trip behaviour limits thermal stress during short overloads
• Screw terminals enable secure electrical connections under vibration

Applications

• Suitable for protecting small three-phase motors on conveyors
• Used with contactors for starter assemblies in machinery panels
• Ideal for workshop motor starters requiring adjustable settings
• Can be used for retrofit motor protection in Compact installations

What ambient temperature range can it tolerate during operation?

It operates between -40 °C and +70 °C for normal use.

How is the device mounted and oriented?

It is intended for stand-alone installation on a vertical plane with limited rotation and tilt as specified in the manual.

What auxiliary contact functions are provided for control circuits?

One normally open contact is available for trip signalling and one normally closed contact for contactor disconnection.

What short-term electrical stresses can the relay withstand?

It has a rated surge voltage resistance of 6 kV and is designed for an insulation voltage up to 690 V.

What conductor types and sizes are supported by the main terminals?

Main contacts accept solid, stranded, or finely stranded conductors up to 4 mm² and equivalent AWG sizes as specified.