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Siemens 3RU2116-1FB0 Thermal Overload Relay 3.5–5.0A, Motor Protection Relay, Size S00
Siemens 3RU2116-1FB0 Thermal Overload Relay 3.5–5.0A, Motor Protection Relay, Size S00
Siemens 3RU2116-1FB0 Thermal Overload Relay 3.5–5.0A, Motor Protection Relay, Size S00
Siemens 3RU2116-1FB0 Thermal Overload Relay 3.5–5.0A, Motor Protection Relay, Size S00
Siemens 3RU2116-1FB0 Thermal Overload Relay 3.5–5.0A, Motor Protection Relay, Size S00
Siemens 3RU2116-1FB0 Thermal Overload Relay 3.5–5.0A, Motor Protection Relay, Size S00

SIEMENS

Siemens 3RU2116-1FB0 Thermal Overload Relay 3.5–5.0A, Motor Protection Relay, Size S00 Original Brand New

Model / SKU3RU2116-1FB0

Thermal overload relay for secure motor protection. It features a precise adjustment range of 3.5–5.0 A, secure screw terminals, and flexible Manual/Automatic reset. Ideal for direct contactor mounting.

Original price was: $63.80.Current price is: $34.60.
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  • ConditionOriginal Brand New
  • Warranty12 months
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Description

Overview

The Siemens 3RU2116-1FB0 Thermal Overload Relay is built for robust performance in demanding industrial environments. Its advanced thermal design ensures sensitive motor overload detection, enabling fast tripping and preventing motor burnout. Engineered for integration with Siemens S00 series contactors, this relay offers reliable protection in motor control circuits, HVAC systems, conveyor operations, pumps, machinery panels, and automation lines.

With screw terminals on both the main and auxiliary circuits, installation is simple and secure. The compact structure saves panel space, while the manual/automatic reset option provides flexibility in different operational setups. Its compliance with international safety standards makes it a trusted choice for system designers, maintenance teams, and engineers.

Benefits

  • Reliable Motor Protection: Prevents motor overheating and extends system lifespan.

  • High Accuracy: Class 10 tripping ensures precise response to overload conditions.

  • Flexible Reset Options: Choose between manual or automatic reset depending on system needs.

  • Easy Installation: Screw-type terminals for both main and auxiliary circuits ensure secure connections.

  • Compact Design: Fits seamlessly with Siemens S00 contactor systems.

  • Enhanced Safety: Helps eliminate downtime and protects critical machinery.

Functions & Features

  • Rated Operating Range: 3.5 to 5.0 A

  • Protection Type: Thermal overload protection

  • Frame Size: S00

  • Trip Class: Class 10

  • Mounting Type: Contactor mounting

  • Main Circuit Connection: Screw terminal

  • Auxiliary Circuit Connection: Screw terminal

  • Reset Function: Manual / Automatic selectable

  • Application: Motor protection in industrial automation systems

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Specifications

SKU / Model3RU2116-1FB0
BrandSIEMENS
product brand nameSIRIUS
product designationthermal overload relay
product type designation3RU2
size of overload relayS00
size of contactor can be combined company-specificS00
power loss [W] for rated value of the current at AC in hot operating state6.6 W
● per pole2.2 W
insulation voltage with degree of pollution 3 at AC rated value690 V
surge voltage resistance rated value6 kV
maximum permissible voltage for safe isolation in networks with grounded star point-
● between auxiliary and auxiliary circuit440 V
● between main and auxiliary circuit440 V
shock resistance acc. to IEC 60068-2-278g / 11 ms
type of protection according to ATEX directive 2014/34/EUEx II (2) GD
certificate of suitability according to ATEX directive 2014/34/EUDMT 98 ATEX G 001
reference code acc. to IEC 81346-2F
installation altitude at height above sea level maximum2 000 m
ambient temperature-
● during operation-40 ... +70 °C
● during storage-55 ... +80 °C
● during transport-55 ... +80 °C
temperature compensation-40 ... +60 °C
relative humidity during operation10 ... 95 %
number of poles for main current circuit3
adjustable current response value current of the current-dependent overload release3.5 ... 5 A
operating voltage-
● rated value690 V
● at AC-3 rated value maximum690 V
operating frequency rated value50 ... 60 Hz
operational current rated value5 A
operating power at AC-3-
● at 400 V rated value1.5 kW
● at 500 V rated value2.2 kW
● at 690 V rated value4 kW
design of the auxiliary switchintegrated
number of NC contacts for auxiliary contacts1
number of NO contacts for auxiliary contacts1
● notefor message "Tripped"
number of CO contacts for auxiliary contacts0
operational current of auxiliary contacts at AC-15-
● at 120 V3 A
● at 230 V2 A
● at 400 V1 A
operational current of auxiliary contacts at DC-13-
● at 24 V2 A
● at 60 V0.3 A
● at 110 V0.22 A
● at 125 V0.22 A
● at 220 V0.11 A
contact rating of auxiliary contacts according to ULB600 / R300
trip classCLASS 10
design of the overload releasethermal
full-load current (FLA) for 3-phase AC motor-
● at 480 V rated value5 A
● at 600 V rated value5 A
design of the fuse link-
● for short-circuit protection of the auxiliary switch requiredfuse gG: 6 A, quick: 10 A
mounting positionany
fastening methodContactor mounting
product component removable terminal for auxiliary and control circuitNo
type of electrical connection-
● for main current circuitscrew-type terminals
● for auxiliary and control circuitscrew-type terminals
arrangement of electrical connectors for main current circuitTop and bottom
● at AWG cables for main contacts2x (20 ... 16), 2x (18 ... 14), 2x 12
type of connectable conductor cross-sections-
● for auxiliary contacts-
— solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
— finely stranded with core end processing2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
● at AWG cables for auxiliary contacts2x (20 ... 16), 2x (18 ... 14)
tightening torque-
● for main contacts with screw-type terminals0.8 ... 1.2 N·m
● for auxiliary contacts with screw-type terminals0.8 ... 1.2 N·m
design of screwdriver shaftDiameter 5 ... 6 mm
size of the screwdriver tipPozidriv PZ 2
design of the thread of the connection screw-
● for main contactsM3
● of the auxiliary and control contactsM3
failure rate [FIT] with low demand rate acc. to SN 3192050 FIT
MTTF with high demand rate2 280 y
T1 value for proof test interval or service life acc. to IEC 6150820 y
protection class IP on the front acc. to IEC 60529IP20
touch protection on the front acc. to IEC 60529finger-safe, for vertical contact from the front
display version for switching statusSlide switch
Vibration and Shock-
last modified:12/1/2021
Weight0.158 kg
Dimensions49.00 × 102.00 × 84.00 mm

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