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Siemens 3RT2024‑1DA04 SIRIUS Power Contactor – 12A, 3‑Pole, 5.5kW @ 400V (AC‑3)
Siemens 3RT2024‑1DA04 SIRIUS Power Contactor – 12A, 3‑Pole, 5.5kW @ 400V (AC‑3) - Image 2
Siemens 3RT2024‑1DA04 SIRIUS Power Contactor – 12A, 3‑Pole, 5.5kW @ 400V (AC‑3) - Image 3

Siemens 3RT2024‑1DA04 SIRIUS Power Contactor – 12A, 3‑Pole, 5.5kW @ 400V (AC‑3)

ParameterValue
Product TypePower Contactor
Series / BrandSIRIUS 3RT2 / Siemens
Model Number3RT2024‑1DA04
SizeS0
Number of Poles3‑pole
Rated Operational Current (Ie) – AC‑3/AC‑3e @ 400V12A
Motor Power – AC‑3 @ 400V5.5kW
Rated Operational Current – AC‑1 @ 400V40A
Rated Operational Voltage (Ue)≤ 690V AC
Rated Insulation Voltage (Ui)690V
Rated Impulse Withstand Voltage (Uimp)6kV
Coil Control Voltage42V AC (50Hz)
Auxiliary Contacts2 NO + 2 NC (removable auxiliary switch block)
Main Circuit ConnectionScrew terminals
Front Protection DegreeIP20
Dimensions (W × H × D)45mm × 85mm × 141mm
Net WeightApprox. 0.44 kg
Mechanical Service Life (typical)10,000,000 operating cycles
Ambient Operating Temperature‑25°C to +60°C
Installation Altitude (max.)2,000m above sea level
Applicable StandardsIEC 60947
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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: 3RT2024‑1DA04
Type: Power Contactor
Series: SIRIUS 3RT2
Size: S0
Rated Current (AC‑3 @ 400V): 12A
Motor Power (AC‑3 @ 400V): 5.5kW
Coil Voltage: 42V AC (50Hz)
Auxiliary Contacts: 2 NO + 2 NC
Connection: Screw terminals

The Siemens 3RT2024‑1DA04 is a 3‑pole contactor from the SIRIUS 3RT2 series, designed for switching motors and power circuits in industrial applications[reference:0]. Rated at 12A (AC‑3 @ 400V) with a motor power of 5.5kW, it is ideal for small motors, pumps, conveyors, and lighting circuits[reference:1][reference:2]. The S0 size features a compact design with screw terminals for secure and reliable wiring, and includes 2 NO + 2 NC auxiliary contacts with a removable auxiliary switch block[reference:3][reference:4]. Built for demanding environments, the SIRIUS 3RT2 series offers high contact reliability, long electrical endurance (up to 10 million mechanical cycles), and approvals meeting global industrial standards[reference:5].

  • Reliable Motor Switching: Rated at 12A (AC‑3/AC‑3e @ 400V) with 5.5kW motor power, suitable for a wide range of motor and load switching applications[reference:6][reference:7].

  • Integrated Auxiliary Contacts: Built‑in 2 NO + 2 NC auxiliary contacts with a removable auxiliary switch block reduce the need for external blocks and simplify control wiring[reference:8][reference:9].

  • High AC‑1 Rating: Supports up to 40A (AC‑1 @ 400V) for resistive loads, offering flexibility beyond motor switching applications[reference:10].

  • Secure Screw Terminals: Screw‑type connections ensure reliable wiring and low contact resistance[reference:11][reference:12].

  • High Durability: Mechanical service life of up to 10 million operating cycles, with 5 million cycles when equipped with an electronic auxiliary switch block[reference:13].

  • Wide Operating Temperature: Reliable performance from ‑25°C to +60°C, suitable for harsh industrial environments[reference:14].

  • Global Approvals: Certified to IEC 60947 standards, SIRIUS series contactors meet international quality and safety requirements[reference:15].

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