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Siemens 3RU1116-1CB0 Thermal Overload Relay - 1.8-2.5A

Siemens 3RU1116-1CB0 Thermal Overload Relay for motor protection.

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ManufacturerSiemens
Part number3RU1116-1CB0
Type Thermal Overload Relay
Current Setting 1.8-2.5 A
Size S00
Tripping Class Class 10
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Adjustable current setting Protects motors from overloads Class 10 tripping Contactor direct mount capability Manual or automatic reset Screw terminal connections

The Siemens 3RU1116-1CB0 is a thermal overload relay designed for effective motor protection within its specified current range. It features an adjustable current setting from 1.8 to 2.5 Ampere and is housed in a compact Size S00 enclosure. This relay operates with Class 10 tripping characteristics and is designed for direct mounting onto compatible Siemens contactors. It employs screw terminals for both main and auxiliary circuits and offers the convenience of manual or automatic reset.

This overload relay plays a vital role in protecting electric motors from damage caused by overcurrents and phase imbalances. It is widely used in industrial control panels for machinery in sectors such as general manufacturing, food processing, packaging, and material handling.

Stanlo Automation, a veteran-owned provider of surplus industrial automation parts, offers the Siemens 3RU1116-1CB0. We understand the critical nature of having reliable spare parts readily available to minimize production interruptions. By choosing Stanlo, you ensure access to quality surplus components, helping to maintain the efficiency and longevity of your industrial equipment.

TypeThermal Overload Relay
Current Setting1.8-2.5 A
SizeS00
Tripping ClassClass 10
ResetManual/Automatic
MountingContactor Mounting
Main Circuit TerminalsScrew
Auxiliary Circuit TerminalsScrew
ManufacturerSiemens
Industrial machinery
Manufacturing lines
Packaging machines
Food and beverage equipment
Material handling systems
Motor control circuits
Designed to be used with corresponding Siemens 3RT series contactors; verify specific model compatibility.
Siemens SIRIUS 3RU11 overload relay 1.8-2.5A 3RU11161CB0 Siemens motor thermal protection
This product is phased out. The preferred successor is Siemens SIRIUS 3RU2116-1CB0.
Expert tip
Ensure the ambient temperature compensation is considered for accurate tripping, especially in environments with fluctuating temperatures.
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What is the function of the auxiliary circuit on the Siemens 3RU1116-1CB0 overload relay?
The auxiliary circuit on the Siemens 3RU1116-1CB0 overload relay typically includes normally open (NO) and normally closed (NC) contacts. These can be wired into the control circuit for signaling purposes, such as activating an alarm or shutting down other components when the relay trips.