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SIEMENS

Siemens 3RB3113-4SB0 Electronic Overload Relay 3–12 A for Motor Protection, Size S00 Original Brand New

Model / SKU3RB3113-4SB0

The Siemens 3RB3113-4SB0 is a compact electronic overload relay (3–12 A, Size S00) designed for reliable motor protection. Features manual/automatic reset, screw connections, and internal ground fault detection for safe, efficient operation.

Original price was: $404.92.Current price is: $226.49.
Available on backorder
  • ConditionOriginal Brand New
  • Warranty12 months

Backorder available · Factory lead time 2–3 weeks.

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Description

Overview

The Siemens 3RB3113-4SB0 is a high-performance electronic overload relay designed for reliable motor protection. Suitable for a current range of 3–12 A, this compact relay (Size S00) ensures efficient operation and extended motor lifespan. Its versatile design allows manual, automatic, or reset operation, along with internal ground fault detection, making it a robust solution for industrial applications. Ideal for contactor mounting, it features both main and auxiliary circuits with screw terminals for secure and straightforward installation.

Key Benefit

  • Reliable Motor Protection: Protects motors against overloads, reducing downtime and maintenance costs.

  • Versatile Reset Options: Offers manual, automatic, and reset modes for flexible operation.

  • Ground Fault Detection: Internal detection enhances safety and prevents damage.

  • Compact and Easy to Mount: Size S00 ensures space-saving installation on standard contactors.

  • Durable and Efficient: Electronic design improves accuracy and response time over traditional thermal relays.

Function

  • Electronic overload relay for motor protection.

  • Current range: 3–12 A.

  • Size S00 for compact applications.

  • Manual, automatic, and reset operation modes.

  • Contactor mounting with screw connections for main and auxiliary circuits.

  • Internal ground fault detection for added safety.

Technical Specification

  • Model Number: Siemens 3RB3113-4SB0

  • Type: Electronic overload relay

  • Current Range: 3–12 A

  • Size: S00

  • Class: 5…30

  • Mounting: Contactor

  • Main Circuit Connection: Screw

  • Auxiliary Circuit Connection: Screw

  • Reset Type: Manual-Automatic

  • Additional Features: Internal ground fault detection

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Specifications

SKU / Model3RB3113-4SB0
BrandSIEMENS
product brand nameSIRIUS
product designationsolid-state overload relay
product type designation3RB3
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 state0.6 W
● per pole0.2 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 circuit300 V
● between main and auxiliary circuit690 V
shock resistance15g / 11 ms
● acc. to IEC 60068-2-2715g / 11 ms; Signaling contact 97 / 98 in position "Tripped": 9g / 11 ms
vibration resistance1-6 Hz, 15 mm; 6-500 Hz, 20 m/s²; 10 cycles
thermal current12 A
type of protection according to ATEX directive 2014/34/EUEx II (2) G [Ex e] [Ex d] [Ex px] ; Ex II (2) D [Ex t] [Ex p]
certificate of suitability according to ATEX directive 2014/34/EUPTB 09 ATEX 3001
reference code acc. to IEC 81346-2F
installation altitude at height above sea level maximum2 000 m
ambient temperature-
● during operation-25 ... +60 °C
● during storage-40 ... +80 °C
● during transport-40 ... +80 °C
temperature compensation-25 ... +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 ... 12 A
operating voltage-
● rated value690 V
● for remote-reset function at DC24 V
● at AC-3 rated value maximum690 V
operating frequency rated value50 ... 60 Hz
operational current rated value12 A
operating power-
● for 3-phase motors at 400 V at 50 Hz1.5 ... 5.5 kW
● for AC motors at 500 V at 50 Hz1.5 ... 5.5 kW
● for AC motors at 690 V at 50 Hz2.2 ... 7.5 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 V4 A
● at 230 V3 A
operational current of auxiliary contacts at DC-13-
● at 24 V2 A
● at 60 V0.55 A
● at 110 V0.3 A
● at 125 V0.3 A
● at 220 V0.11 A
trip classCLASS 5E, 10E, 20E and 30E adjustable
design of the overload releaseelectronic
response value current of the grounding protection minimum0.75 x IMotor
response time of the grounding protection in settled state1 000 ms
operating range of the grounding protection relating to current set value-
● minimumIMotor > lower current setting value
● maximumIMotor < upper current setting value x 3.5
full-load current (FLA) for 3-phase AC motor-
● at 480 V rated value12 A
● at 600 V rated value12 A
contact rating of auxiliary contacts according to ULB600 / R300
design of the fuse link-
● for short-circuit protection of the main circuit-
— with type of coordination 1 requiredgG: 50 A, RK5: 45 A
— with type of assignment 2 requiredgG: 50 A, J: 45 A
● for short-circuit protection of the auxiliary switch requiredfuse gG: 6 A
mounting positionany
fastening methodContactor mounting
product component removable terminal for auxiliary and control circuitYes
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 contacts1x (20 ... 12), 2x (20 ... 12)
type of connectable conductor cross-sections-
● for auxiliary contacts-
— solid1x (0.5 ... 4 mm²), 2x (0.5 ... 2.5 mm²)
— solid or stranded1x (0,5 ... 4 mm²), 2x (0,5 ... 2,5 mm²)
— finely stranded with core end processing1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²)
● at AWG cables for auxiliary contacts1x (20 ... 14), 2x (20 ... 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 to 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
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
type of voltage supply via input/output link masterNo
conducted interference-
● due to burst acc. to IEC 61000-4-42 kV (power ports), 1 kV (signal ports) corresponds to degree of severity 3
● due to conductor-earth surge acc. to IEC 61000-4-52 kV (line to earth) corresponds to degree of severity 3
● due to conductor-conductor surge acc. to IEC 61000-4-51 kV (line to line) corresponds to degree of severity 3
● due to high-frequency radiation acc. to IEC 61000-4-610 V in frequency range 0.15 to 80 MHz, modulation 80 % AM with 1 kHz
field-based interference acc. to IEC 61000-4-310 V/m
electrostatic discharge acc. to IEC 61000-4-26 kV contact discharge / 8 kV air discharge
display version for switching statusSlide switch
last modified:12/15/2020
Weight0.185 kg
Dimensions55.00 × 85.00 × 95.00 mm

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