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SIEMENS

Siemens 3RU2116-1HB0 Overload Relay 5.5–8.0A Thermal Motor Protection, Size S00, Class 10 Original Brand New

Model / SKU3RU2116-1HB0

A compact thermal overload relay designed for reliable motor protection. Featuring a setting range of 5.5 to 8.0 A and Size S00 compatibility, it offers Class 10 tripping characteristics, screw terminal connections, and a versatile Manual/Automatic reset function.

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

Backorder available · Factory lead time 2–3 weeks.

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Description

Overview

The Siemens 3RU2116-1HB0 is a premium overload relay designed for reliable motor protection. Engineered with precision, it ensures safe and efficient operation of motors with current ratings from 5.5 to 8.0 A. Its compact Size S00 design and Class 10 thermal tripping make it ideal for industrial and commercial motor control applications.

Key Benefit

  • Seamless Integration: Optimized for Siemens SIRIUS Size S00 contactors for a perfect mechanical and electrical fit.

  • Versatile Reset Options: Features a selectable Manual, Automatic, or Remote reset (with accessories) to suit your operational needs.

  • Robust Protection: Built-in phase failure sensitivity ensures motor safety even during unbalanced power conditions.

  • Easy Installation: Equipped with durable screw terminals for secure and vibration-resistant wiring in industrial environments.

Function & Application

  • Motor Protection: Safeguards 3-phase AC motors against current-related thermal damage.

  • Trip Class 10: Ideal for standard starting conditions where the motor reaches full speed quickly.

  • Auxiliary Contacts: Built-in 1NO + 1NC contacts for signaling faults or triggering safety circuits.

  • Climate-Proof: Designed for global use with international approvals (IEC, UL, CSA).

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Datasheet in PDF

Specifications

SKU / Model3RU2116-1HB0
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 release5.5 ... 8 A
operating voltage-
● rated value690 V
● at AC-3 rated value maximum690 V
operating frequency rated value50 ... 60 Hz
operational current rated value8 A
operating power at AC-3-
● at 400 V rated value3 kW
● at 500 V rated value4 kW
● at 690 V rated value5.5 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 value8 A
● at 600 V rated value8 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
Weight0.159 kg
Dimensions49.00 × 102.00 × 84.00 mm

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