Contacteur,disjoncteur,onduleur solaire,compteur électrique,batteries solaires
Répartition du code modèle
| Segment de code | Code | Définition |
| 3RT2 | 3RT2 | Nouvelle génération Contacteur CA de Siemens SIRIUS series, replacement for legacy 3RT1 series |
| 26 | 26 | Taille S0, rated AC-3 current: 25UN, compatible with 11kW motor at 400V |
| 1 | 1 | Coil type: AC-operated coil |
| PA | PA | Tension de bobine: 230V et, 50Hz standard mains supply |
| 0 | 0 | Configuration standard: bornes à vis, 1NO+1NC auxiliary contacts, no special options |
- Spécifications techniques de base
| Catégorie | Paramètre | Remark |
| Spécifications de base | ||
| Type de produit | 3-pole AC power contactor | SIRIUS range, Indice de protection IP20 |
| Courant de fonctionnement nominal | AC-3: 25A @400V; AC-1:40A @400V | AC-4:15.5A @400V |
| Puissance nominale | 11kW under AC-3 at 400V | For standard 3-phase asynchronous motors |
| Configuration des poteaux | 3 pôles principaux + 1NO+1NC auxiliary contacts | Built-in auxiliary contacts, no extra accessory required |
| Coil Data | ||
| Tension de bobine | 230V et, 50Hz | Global standard industrial mains voltage |
| Consommation électrique de la bobine | Ramasser:105Virginie; Sealed holding:12Virginie | Low-power design for energy saving |
| Mécanique & Données environnementales | ||
| Dimension globale(L×L×H) | 85mm×45mm×86mm | Compact footprint for cabinet space saving |
| Montage | Montage sur rail DIN standard | Conforme à la norme EN 50022 |
| Ambient Operating Temp. | -25°C ~ +60°C | Wide temperature tolerance for harsh industrial environments |
| Termination | Bornes à vis | Secure connection suitable for repeated wiring |
| Endurance électrique | 1,000,000 opérations(AC-3); 10,000,000 opérations(AC-1) | Long service life to cut maintenance cost |
| Approvals | CE, UL, ASC | Globally accepted international safety certifications |
III. Full 3RT2026 Series Model List (S0 frame, 25Une note)
Sorted by coil voltage:
| Numéro de pièce. | Tension de bobine | Contacts auxiliaires | Termination | Caractéristique spéciale |
| 3RT2026-1AP00 | 230V et | 1NON+1NC | Vis | Version standard |
| 3RT2026-1AP60 | 230V et | 1NON+1NC | Spring-cage | Quick wiring |
| 3RT2026-1AQ00 | 110V et | 1NON+1NC | Vis | Version standard |
| 3RT2026-1AQ60 | 110V et | 1NON+1NC | Spring-cage | Quick wiring |
| 3RT2026-1BB40 | 24À DC | 1NON+1NC | Vis | Version standard |
| 3RT2026-1BB60 | 24À DC | 1NON+1NC | Spring-cage | Quick wiring |
| 3RT2026-1BG40 | 48À DC | 1NON+1NC | Vis | Version standard |
| 3RT2026-1BH40 | 110À DC | 1NON+1NC | Vis | Version standard |
| 3RT2026-1BJ40 | 220À DC | 1NON+1NC | Vis | Version standard |
| 3RT2026-1AP00-1AA0 | 230V et | 1NON+1NC | Vis | Montage vertical |
- Cross Reference & Liste de remplacement
- Siemens Internal Obsolete Replacement
| Obsolete Part | Replacement Part | Raison du remplacement | Compatibilité |
| 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
| Marque | Modèle | Matching Score | Différences |
| ABB | A16-30-01 | ★★★★☆ | Rated 16A < 25UN, derated operation required |
| Schneider Électrique | LC1D25M7C | ★★★★★ | Full equivalent:25UN,230V et,1NON+1NC |
| Allen‑Bradley | 100-C25D*00 | ★★★★☆ | Slightly larger dimension, fonctions identiques |
| Eaton | DILM25-10 | ★★★★☆ | Only 1NO auxiliary contact; extra NC contact needed separately |
- Environnement d'application & Cas industriels
- Recommended Application Fields
Factory Automation: 3-phase asynchronous motor control ≤11kW@400V for pumps, les fans & conveyor systems
Électricité du bâtiment & CVC: Air-conditioning units, ventilation blowers, fire fighting pumps
Traitement de l'eau & Wastewater: Sewage pumps, chemical dosing systems, filter equipment
Nourriture & Boisson: Production line motors, mixing machinery, machines d'emballage
OEM Machinery: Machines-outils, impression & packaging equipment OEM matching
- Not Recommended Application Conditions
Heavy shock & vibration sites (shipboard, machines minières): Anti-vibration base required if mandatory use
Environnements gazeux corrosifs (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 (Moteurs à courant continu, electrolysis equipment): Use dedicated DC-coil DC contactors
- Typical Application Examples
Cas 1: Blower Control for Small Sewage Treatment Plant
Équipement: 3 sets of 5.5kW aeration blowers, 3-phase 400V
Configuration du contrôle: 3RT2026-1AP00 + 3RU2016-1CB00 thermal overload relay + Automate Siemens
Avantages: Taille compacte, integrated auxiliary contacts, simplified cabinet layout & faible consommation d'énergie
Cas 2: Food Packaging Conveyor Line
Équipement: Multiple 3kW conveyor motors with 230V AC control circuit
Configuration du contrôle:3RT2026-1AP00 + 3RH2111-1AP00 auxiliary contact block
Avantages: Fast installation, high reliability for humid food workshop environment
- Lignes directrices de sélection & 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(Série)+026(25UN)+1(AC coil)+PA(230V)+00(Standard build)
- Correspondance actuelle: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. Guide de dépannage
| Symptôme de panne | Root Cause | Remède |
| Le contacteur ne parvient pas à s'enclencher | 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 |
| Overheated coil | Overvoltage or high ambient temperature | Stabilize input voltage & improve cabinet ventilation |
| Poor auxiliary contact conduction | Contact oxidation or mechanical wear | Nettoyer les contacts; replace contactor if heavily worn |
VIII. Conformité des expéditions aériennes & Certifications
Shipping Classification: Marchandises non dangereuses, pas de batterie au lithium intégrée, conforme à IATA DGR
CE Approval: Conforme à la norme EN 60947-4-1, Cert No.:CE 0123
UL Approval: Complies with UL 508, File No.:E249461
RoHS Compliance: Conforms to Directive 2011/65/EU, restricted hazardous substance free
- Informations sur la commande
Code de commande:3RT2026-1AP00
Minimum Pack Quantity:1 unit per carton
Période de garantie:12 mois
Recommended Spare Parts:3RU2016-1CB00(relais de surcharge thermique),3RH2111-1AP00(auxiliary contact block)
Application Scope of Siemens 3RT2026-1AP00 (AC-3 25A@400V, 11kW, 230V AC Coil, 1NO+1NC Aux. Contacts)
Rated Application: 3-phase motor ≤11kW@400V; Resistive load max.40A(AC-1), Montage sur rail DIN, 230VAC control circuit as standard.
- Priority Application Industries & Segments
1.1 CVC & Air Conditioning (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 Approvisionnement en eau & Traitement des eaux usées
- Pompes de relevage des eaux usées, self-priming pumps & chemical dosing agitator pumps (1.5~11kW)
- 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 Emballage alimentaire & Light Industry Automation
- Packaging machine belt & film winding motors (0.75~5.5kW)
- Dough mixers & filling agitator motors
- Roller drive motors for filling production line & conveyor start-stop control
1.4 Travail du bois & Petites machines-outils
- Sanders, bench saws & drill spindle motors (3~7.5kW)
- Air compressor host control for 7.5kW/11kW screw & piston compressors
1.5 Logistique & Warehouse Conveying Equipment
- Belt & roller conveyor drive motors (1.5~7.5kW)
- Small lifting equipment drive motors (motor load ≤11kW)
- Power control for mini shuttle machines in automated warehouses
1.6 Building & 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 (3~7.5kW)
- 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 cycles/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(exploitation minière, 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)
