Siemens 3RB31234VB0 SIRIUS Generation 3 Solid State Overload Relay, 10 to 40 A, 1NO-1NC 1 Form A/1 Form B Contact REPLACEMENT 3RB31234VB0

Product Description

The SIEMENS 3RB31234VB0 SIRIUS generation 3 solid state overload relay is designed for inverse time delayed protection of loads. It protects against excessive temperature rises due to overload, phase unbalance, or phase failure. This relay features an internal power supply, manual and automatic reset, and a switch position indicator.

• Overload, phase failure, and unbalance protection
• Internal power supply
• Manual and automatic reset

Product Highlights

The SIEMENS SIRIUS 3RB31 series overload relay provides reliable electronic protection with adjustable current settings and comprehensive fault detection.

Product Information

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 3RB31234VB0
• Country of Origin: Czech Republic

Technical Specifications

• Power Rating: 5.5 to 18.5/7.5 to 22/11 to 37 kW
• Temperature Rating: -25 to 60 deg C
• Number Of Poles: 3
• Frequency Rating: 50 to 60 Hz
• Terminal Type: Screw
• Contact Rating: 4 A at 24/110/120/125 V AC, 3 A at 230 V AC, 2 A at 24 V DC, 0.55 A at 60 V DC, 0.3 A at 110 V DC, 0.3 A at 25 V DC, 0.11 A at 220 V DC
• Type: Generation 3 Solid State
• Enclosure Type: IP20
• Mounting Type: Surface
• Amperage Rating: 10 to 40 A
• Dimensions: 87 mm H x 45 mm W x 84 mm D
• Series: 3RB3
• Contact Form: 1NO-1NC 1 Form A/1 Form B
• Brand: SIEMENS
• Category: Relays
• Accessory Type: Electronic Overload Relay
• For Use With/Related Products: Multiple Series
• Packaging: Box
• Part Status: Active
• Manufacturer: Siemens
• Compatible Contactor Series: SIRIUS
• Compatible Contactors: Frame Size
• Frame Size: S0
• Relay Style: IEC
• Overload Protection Type: Electronic
• Relay Mounting Style: Direct To Contactor
• Thermal Units Required: Not Applicable to Electronic Type Overload Relays
• Phase: Three
• Auxiliary Contacts Included: 1NO/1NC
• Maximum Overload Relay Current Setting: 40
• Minimum Overload Relay Current Setting: 10
• Maximum Voltage Rating: 690V
• Trip Class: 5E/10E/20E/30E
• Phase Loss Sensitivity: No
• Reset Type: Auto; Manual
• Wire Termination Type: Screw
• IP Rating: IP20
• Body Depth: 2.78 in
• Body Height: 6.13 in
• Body Width: 1.77 in
• Standards: Lead CAS-No. 7439-92-1 > 0, 1 % (w/w); REACH Art 33 Duty to Inform According to the Current List of Candidates; RoHS 07/01/2006; WEEE (2012/19/EU) Take-Back Obligation
• UNSPSC: 39121520
• Main Function: Electronic Overload Relay (EOR)
• Product Series / Family Name: SIRIUS
• Sub-Range Name: 3RB31 series
• Network Frequency: 50/60 Hz
• Functions: Electronic Overload O/L Protection Relay (EOR)
• Motor Protection: Rotary knob for adjusting rated motor current
• Internal Power Supply: Test trip function
• Design: for direct connection to cont.
• Ambient Compensated in a Range of: -4°F to 140°F
• Poles: 3-poles (3P)
• Rated Current: 10A-40A (adjustable)
• Rated Voltage (AC): 690Vac
• Connection Type: direct connection to contact. (ingoing main connections) Screw-clamp connections (outgoing main circuits) Screw-clamp connections (control circuits)
• Protection Functions: Electronic overload adjustable (Class 5 / Class 10 / Class 20 / Class 30) Internal ground fault detection (can be enabled/disabled) 3-phase overload with phase loss sensitivity Phase unbalance tripping Phase failure tripping solid-state test
• Protection Settings: Overload protection -- 10A-40A (adjustable)
• Mounting Mode: Direct mounting on cont.
• Operating Mode: Manual/automatic reset
• Contacts Type: 1NO+1NC aux. contacts (FAULT) 1NO+1NC aux. contacts
• Technical Compatibility With: 3RT202 series
• Order Code / Manufacturer SKU: 3RB3123-4VB0
• Manufacturer Product Status: Commercialized
• Equivalent To: 3RB31234VB0
• EAN Code: 4011209749634
• UPC Code: 662643903287
• Compliant With Standard(s): IEC 60947-4-1 EN 60079-7 EN 60947-1 EN 60947-4-1 EN 60947-5-1 EN 60079-14
• Location of Origin: Czech Republic