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Siemens 5TT5831‑0 SENTRON Installation Contactor – 25A, 4‑Pole, 3NO + 1NC, 230V AC Coil
Siemens 5TT5831‑0 SENTRON Installation Contactor – 25A, 4‑Pole, 3NO + 1NC, 230V AC Coil - Image 2
Siemens 5TT5831‑0 SENTRON Installation Contactor – 25A, 4‑Pole, 3NO + 1NC, 230V AC Coil - Image 3

Siemens 5TT5831‑0 SENTRON Installation Contactor – 25A, 4‑Pole, 3NO + 1NC, 230V AC Coil

ParameterValue
Product TypeInstallation Contactor (Insta Contactor)
Series / BrandSENTRON 5TT5 / Siemens
Model Number5TT5831‑0
Product DescriptionInsta contactor with 3 NO contacts and 1 NC contact for 230V AC, 400V 25A control 230V AC[reference:11]
Number of Poles4‑pole
Normally Open (NO) Contacts3[reference:12]
Normally Closed (NC) Contacts1[reference:13]
Rated Operational Current (Ie)25A[reference:14]
Rated Operational Voltage (Ue)400V AC[reference:15]
Maximum Operational Voltage440V AC[reference:16]
Coil Control Voltage230V AC[reference:17]
Incandescent Lamp Load Capacity2,000W[reference:18]
Power Loss per Pole (hot)2.2W[reference:19]
Degree of Protection (IP)IP20[reference:20]
Dimensions (H × W × D)90mm × 36mm × 71mm[reference:21]
Modular Width Units2[reference:22]
Net WeightApprox. 254g (0.254 kg)[reference:23][reference:24]
Product LifecyclePM300: Active Product[reference:25]
GTIN (EAN)4001869343990[reference:26]
Country of OriginSlovenia (SI)[reference:27]
Standards & CertificationsCCC, EAC, RoHS[reference:28]
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Product Description

The Siemens 3RU6116-1GB0 is a compact thermal overload relay from the SIRIUS 3RU6 series, providing reliable inverse-time delayed protection for motors with normal starting characteristics. With adjustable current setting from 4.5 to 6.3 A and Class 10 tripping, it is ideal for small to medium motors up to ~2.2–3 kW @ 400 V. Features manual/automatic reset, phase failure sensitivity, and auxiliary contacts (1 NO + 1 NC) for signaling. Designed for direct mounting on SIRIUS contactors, it ensures space-saving assembly in control panels and motor starters.

Standard Features

  • 4.5–6.3 A adjustable range: Covers small motors — precise protection for 1.5–3 kW @ 400 V applications.

  • Class 10 tripping: Standard for motors with normal starting — inverse-time delayed overload protection.

  • Phase failure & unbalance detection: Built-in sensitivity — protects against single-phasing and asymmetric loads.

  • 1 NO + 1 NC auxiliary contacts: For signaling trip status or interlocking — manual or automatic reset selectable.

  • Direct contactor mounting: Fits S00 size contactors (3RT2) — quick assembly without extra wiring.

  • Global approvals: IEC/EN 60947-4-1, UL, CSA, CCC — accepted worldwide for motor control.

Technical Specifications

ParameterValue
TypeThermal overload relay (Class 10)
Order Number3RU6116-1EB0
Setting Range2.8 … 4.0 A
SizeS00
Trip ClassClass 10
Auxiliary Contacts1 NO + 1 NC
MountingDirect on contactor (3RT2)
Standards & CertificationsIEC/EN 60947-4-1, UL, CSA, CCC

Manufacturer: Siemens
Model: 5TT5831‑0
Type: Installation Contactor (Insta Contactor)
Series: SENTRON 5TT5
Contact Configuration: 3 NO + 1 NC
Rated Current: 25A
Rated Voltage: 400V AC
Coil Voltage: 230V AC
Application: Lighting, heating, and resistive load switching in residential and commercial buildings

The Siemens 5TT5831‑0 is a 4‑pole installation contactor from the SENTRON 5TT5 series, designed for switching lighting, heating, and resistive loads in residential and commercial buildings[reference:0]. Featuring 3 normally open (NO) and 1 normally closed (NC) contacts, it is rated at 25A with a maximum operational voltage of 440V AC[reference:1]. The 230V AC coil enables direct integration with standard building control systems[reference:2]. Part of the SENTRON portfolio, the 5TT5 series offers a compact 2‑module width design (36mm), easy installation with standard touch protection, and comprehensive accessories for all switching functions[reference:3].

  • Versatile Contact Configuration: 3 normally open (NO) and 1 normally closed (NC) contacts provide flexibility for various switching applications in lighting and load control[reference:4].

  • High Switching Capacity: Rated at 25A with a maximum operational voltage of 440V AC, suitable for demanding lighting and resistive load switching applications[reference:5].

  • Incandescent Lamp Load Rating: Supports up to 2,000W incandescent lamp load, making it ideal for lighting control in residential and commercial buildings[reference:6].

  • Compact & Space‑Efficient: 2‑module width design (36mm) with a height of 90mm and depth of 71mm, enabling space‑efficient installation in distribution boards[reference:7].

  • Low Power Loss: Power loss of only 2.2W per pole in hot operating state, ensuring energy‑efficient performance[reference:8].

  • Easy & Safe Installation: User‑friendly connection technology with standard touch protection (IP20) ensures reliable safety during installation[reference:9].

  • Global Compliance: CCC and EAC certified, RoHS compliant, and part of Siemens’ SENTRON switchgear portfolio for worldwide applications[reference:10].

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