Contactor,întrerupător de circuit,invertor solar,contor electric,baterii solare
Defalcarea codului de model
| Segment de cod | Cod | Definiţie |
| 3RT2 | 3RT2 | Noua generatie contactor AC de Siemens seria SIRIUS, replacement for legacy 3RT1 series |
| 26 | 26 | Marimea S0, rated AC-3 current: 25O, compatible with 11kW motor at 400V |
| 1 | 1 | Tip bobină: AC-operated coil |
| AP | AP | Tensiunea bobinei: 230V și, 50Hz standard mains supply |
| 0 | 0 | Configurație standard: terminale cu șuruburi, 1Contacte auxiliare NO+1NC, fara optiuni speciale |
- Specificații tehnice de bază
| Categorie | Parametru | Remarcă |
| Specificații de bază | ||
| Tip de produs | 3-pole AC power contactor | SIRIUS range, Grad de protecție IP20 |
| Curent nominal de operare | AC-3: 25A @400V; AC-1:40A @400V | AC-4:15.5A @400V |
| Putere nominală | 11kW under AC-3 at 400V | For standard 3-phase asynchronous motors |
| Configurația stâlpului | 3 main poles + 1Contacte auxiliare NO+1NC | Built-in auxiliary contacts, no extra accessory required |
| Coil Data | ||
| Tensiunea bobinei | 230V și, 50Hz | Global standard industrial mains voltage |
| Consumul de energie al bobinei | Ridicare:105VA; Sealed holding:12VA | Low-power design for energy saving |
| Mecanic & Environmental Data | ||
| Dimensiunea de ansamblu(L×L×A) | 85mm×45mm×86mm | Compact footprint for cabinet space saving |
| Montare | Montare standard pe șină DIN | Conform EN 50022 |
| Ambient Operating Temp. | -25°C ~ +60°C | Wide temperature tolerance for harsh industrial environments |
| Încetarea | Borne cu șuruburi | Secure connection suitable for repeated wiring |
| Rezistenta electrica | 1,000,000 operațiuni(AC-3); 10,000,000 operațiuni(AC-1) | Long service life to cut maintenance cost |
| Aprobari | CE, UL, CSA | Globally accepted international safety certifications |
III. Full 3RT2026 Series Model List (Cadru S0, 25A evaluat)
Sorted by coil voltage:
| Partea nr. | Tensiunea bobinei | Contacte auxiliare | Încetarea | Caracteristica specială |
| 3RT2026-1AP00 | 230V și | 1NU+1NC | Şurub | Versiune standard |
| 3RT2026-1AP60 | 230V și | 1NU+1NC | Spring-cage | Cablare rapidă |
| 3RT2026-1AQ00 | 110V și | 1NU+1NC | Şurub | Versiune standard |
| 3RT2026-1AQ60 | 110V și | 1NU+1NC | Spring-cage | Cablare rapidă |
| 3RT2026-1BB40 | 24În DC | 1NU+1NC | Şurub | Versiune standard |
| 3RT2026-1BB60 | 24În DC | 1NU+1NC | Spring-cage | Cablare rapidă |
| 3RT2026-1BG40 | 48În DC | 1NU+1NC | Şurub | Versiune standard |
| 3RT2026-1BH40 | 110În DC | 1NU+1NC | Şurub | Versiune standard |
| 3RT2026-1BJ40 | 220În DC | 1NU+1NC | Şurub | Versiune standard |
| 3RT2026-1AP00-1AA0 | 230V și | 1NU+1NC | Şurub | Vertical mounting |
- Referință încrucișată & Replacement List
- Siemens Internal Obsolete Replacement
| Obsolete Part | Replacement Part | Replacement Reason | Compatibilitate |
| 3RT1026-1AP00 | 3RT2026-1AP00 | 3RT1 discontinued; 3RT2 upgraded generation | Full interchangeability, identical mounting dimension |
| 3RT1026-1AP00-1AA0 | 3RT2026-1AP00-1AA0 | Same-series product upgrade | Full interchangeability |
| 3TF4322-0AP0 | 3RT2026-1AP00 | Outdated 3TF series, superior performance of 3RT2 | Minor cabinet modification needed for mounting |
- Cross-Brand Equivalent Options
| Marca | Model | Matching Score | Diferențele |
| ABB | A16-30-01 | ★★★★☆ | Rated 16A < 25O, derated operation required |
| Schneider Electric | LC1D25M7C | ★★★★★ | Full equivalent:25O,230V și,1NU+1NC |
| Allen-Bradley | 100-C25D*00 | ★★★★☆ | Slightly larger dimension, functii identice |
| Eaton | DILM25-10 | ★★★★☆ | Only 1NO auxiliary contact; extra NC contact needed separately |
- Mediul de aplicare & Cazuri industriale
- Recommended Application Fields
Automatizarea fabricii: 3-phase asynchronous motor control ≤11kW@400V for pumps, fani & conveyor systems
Clădire electrică & HVAC: Air-conditioning units, ventilation blowers, fire fighting pumps
Tratarea apei & Wastewater: Pompe de canalizare, chemical dosing systems, filter equipment
Mâncare & Băutură: Production line motors, mixing machinery, mașini de ambalare
OEM Machinery: Masini-unelte, imprimare & packaging equipment OEM matching
- Not Recommended Application Conditions
Heavy shock & vibration sites (shipboard, mining machinery): Anti-vibration base required if mandatory use
Medii cu gaze corozive (electroplating, chemical plant): Sealed anti-corrosion contactor required
Ultra-frequent cycling loads (welding machine, rapid start-stop equipment): Select dedicated AC-4 rated contactor
High DC loads (DC motors, electrolysis equipment): Use dedicated DC-coil DC contactors
- Typical Application Examples
Caz 1: Blower Control for Small Sewage Treatment Plant
Echipamente: 3 sets of 5.5kW aeration blowers, 3-faza 400V
Control configuration: 3RT2026-1AP00 + 3RU2016-1CB00 thermal overload relay + Siemens PLC
Avantaje: Dimensiune compactă, integrated auxiliary contacts, simplified cabinet layout & consum redus de energie
Caz 2: Food Packaging Conveyor Line
Echipamente: Multiple 3kW conveyor motors with 230V AC control circuit
Control configuration:3RT2026-1AP00 + 3RH2111-1AP00 auxiliary contact block
Avantaje: Fast installation, high reliability for humid food workshop environment
- Ghid de selecție & Quick Coding Rules
Quick Selection Mnemonic
3RT2026 defined by 25A rated current
AP stands for 230V AC coil voltage
Standard 1NO+1NC with screw terminal wiring
Direct upgrade substitute for old 3RT1026
Perfect match for 11kW motor at 400V supply
Quick Coding Rules
- Model breakdown:3RT2(Serie)+026(25O)+1(bobina AC)+AP(230V)+00(Standard build)
- Potrivire curentă:25A AC-3 =11kW@400V;40A AC-1 for resistive heating loads
- Replacement rule:Direct drop-in swap from 3RT1026-1AP00 without mounting hole modification
- Terminal option:00=Screw terminal;60=Spring-cage terminal per site requirement
VII. Ghid de depanare
| Fault Symptom | Root Cause | Remedy |
| Contactorul nu reușește să tragă | No/low coil supply voltage | Check control circuit & measure coil input voltage |
| Excessive operating hum | Dust/oil contamination on core pole face | Clean core surface, inspect short-circuit ring |
| Severe contact erosion | Overload or frequent switching | Upgrade to higher rating contactor & optimize control logic |
| Bobina supraîncălzită | Overvoltage or high ambient temperature | Stabilize input voltage & improve cabinet ventilation |
| Poor auxiliary contact conduction | Contact oxidation or mechanical wear | Curățați contactele; replace contactor if heavily worn |
VIII. Conformitatea transportului aerian & Certificari
Shipping Classification: Non-hazardous goods, fara baterie cu litiu incorporata, compliant with IATA DGR
CE Approval: Conform EN 60947-4-1, Cert No.:CE 0123
UL Approval: Complies with UL 508, File No.:E249461
Conformitate RoHS: Conforms to Directive 2011/65/EU, restricted hazardous substance free
- Order Information
Cod de comandă:3RT2026-1AP00
Minimum Pack Quantity:1 unit per carton
Perioada de garanție:12 luni
Recommended Spare Parts:3RU2016-1CB00(releu termic de suprasarcina),3RH2111-1AP00(auxiliary contact block)
Application Scope of Siemens 3RT2026-1AP00 (AC-3 25A@400V, 11kW, 230V AC Coil, 1NO+1NC Aux. Contacte)
Rated Application: 3-phase motor ≤11kW@400V; Resistive load max.40A(AC-1), Montare pe șină DIN, 230VAC control circuit as standard.
- Priority Application Industries & Segments
1.1 HVAC & Aer condiționat (Largest consumption volume)
- Cabinet air-conditioner & condenser fans:2.2~7.5kW centrifugal blowers
- Fresh air handlers, smoke exhaust & fire supplementary fans:3~11kW 3-phase fans
- Cooling tower & chilled water circulation pumps (4kW/5.5kW/7.5kW)
Matching: Paired with 3RU2016 thermal relay for motor overload protection, cabinet built-in installation.
1.2 Aprovizionare cu apă & Wastewater Treatment
- Sewage lift pumps, self-priming pumps & chemical dosing agitator pumps (1.5~11 kW)
- Raw water booster pumps & filter backwash pumps for water purification plants
- Residential secondary water supply booster pumps, duty-standby start-stop control(single pump ≤11kW)
1.3 Food Packaging & Light Industry Automation
- Packaging machine belt & film winding motors (0.75~5,5 kW)
- Dough mixers & filling agitator motors
- Roller drive motors for filling production line & conveyor start-stop control
1.4 Prelucrarea lemnului & Small Machine Tools
- Sanders, bench saws & drill spindle motors (3~7,5 kW)
- Air compressor host control for 7.5kW/11kW screw & piston compressors
1.5 Logistică & Warehouse Conveying Equipment
- Belt & roller conveyor drive motors (1.5~7,5 kW)
- Small lifting equipment drive motors (motor load ≤11kW)
- Power control for mini shuttle machines in automated warehouses
1.6 Clădire & Civil Electrical Works
- Basement drainage pumps, civil defense ventilation fans, fire damper linked blowers
- Temporary site concrete mixers & construction dust extraction fans
1.7 Cold Chain Refrigeration
Start-stop control for cold room evaporator fans & chiller circulation pumps (3~7,5 kW)
- Resistive Load Applications (AC-1:40A Max.)
Direct usage for heating tubes, drying oven heating circuits, incandescent lamp banks & cabinet space heaters; total single/3-phase resistive load ≤40A.
- Non-Recommended Operating Conditions
- High-frequency jogging (>60 cicluri/min): Welders & frequent forward/reverse machines lead to rapid contact burnout; adopt dedicated AC-4 contactor instead
- Motors over 11kW@400V: Upgrade to higher rating 3RT2035/3RT2045 series
- Severe corrosive atmosphere (electroplating, strong acid chemical workshop): Sealed anti-corrosion type required
- Heavy vibration environment(minerit, vehicle-mounted construction machinery): Anti-vibration base or vehicle-specific contactor needed to avoid accidental coil dropout
- High-power DC loads (DC motor & battery circuit): Specially designed DC-coil DC contactor required
- Standard Matching Control Schemes
- Basic motor control circuit: 3RT2026-1AP00 + 3RU2016 thermal relay + 230VAC pushbutton start-stop
- Star-Delta starter: Same model contactor for main & star-point connections (star-delta startup for motor ≤11kW)
