SIEMENS 3UF7011-1AB00-0 – SIMOCODE pro motor management for reliable low-voltage motor protection and control

The SIEMENS 3UF7011-1AB00-0 sits at the heart of the SIMOCODE pro system. From my experience, this basic unit is typically used to protect, monitor, and control three-phase motors up to 690 V in MCCs and cabinet panels, while talking directly to your PLC over fieldbus. You might notice that it consolidates several discrete relays and meters into one intelligent device, which in many cases cuts wiring time and speeds up commissioning. For plants standardizing on SIRIUS controls, it seems to be a very practical way to get robust motor diagnostics and clear trip signaling without adding a separate protection relay.

Company’s Order Placement Process and Guarantees

• Warranty: 365 days from delivery.
• Lead time: 1 week if in stock; no more than 1 month at the latest.
• Payment terms: 50% advance payment; full payment prior to delivery.
• Express delivery options: FedEx, UPS, DHL.

Key Features

• Integrated motor protection – Typically covers overload, phase failure/asymmetry, locked-rotor, and stall protection when paired with the corresponding current module.
• Fieldbus connectivity – Commonly used with PROFIBUS DP (RS‑485) to your PLC/DCS for parameterization, control, and diagnostics.
• Rich diagnostics – Real-time status, trip cause memory, and operating hours help maintenance teams pinpoint faults faster.
• Compact design – DIN-rail mounting keeps MCC layouts clean; usually a 45 mm wide module fits neatly alongside SIRIUS contactors.
• Flexible I/O – Digital inputs (24 V DC) and potential-free relay outputs for start/stop, interlocks, alarms, and status signaling.
• System approach – Works with SIMOCODE current measuring modules and operator panels (3UF7xx / 3UF79xx), so scaling from simple to advanced applications is straightforward.
• Engineering efficiency – Parameter setting via Siemens tools (TIA Portal/fieldbus) reduces commissioning time and improves repeatability.

Technical Specifications

Brand / Model	SIEMENS 3UF7011-1AB00-0 (SIMOCODE pro basic unit)
HS Code	8536.49 (Other relays, for a voltage ≤ 1,000 V)
Power Requirements	24 V DC (typical control supply for this variant)
Operating Temperature	-20 to +60 °C (cabinet installation, non-condensing)
Dimensions & Weight	Approx. 45 × 90 × 75 mm; ~0.2 kg
Signal Input/Output Types	24 V DC digital inputs; potential-free relay outputs for status/trip/control
Communication Interfaces	PROFIBUS DP (RS‑485) for control, diagnostics, parameterization
Installation Method	35 mm DIN-rail (EN 60715) in control cabinet; pluggable terminal connections
Protection / Enclosure	IP20 (cabinet internal)

Note: Exact options depend on the full order code. The 3UF7011-1AB00-0 is commonly supplied as a 24 V DC, PROFIBUS-capable basic unit for SIMOCODE pro. If you require a different control voltage or PROFINET, share your code string and we’ll verify compatibility.

Application Fields

Typical use cases include low-voltage motor feeders in:

• Pumps and fans in water/wastewater plants (level control, dry-run detection, trip diagnostics).
• Conveyors and crushers in mining and aggregates where locked-rotor or stall trips need clear cause codes.
• HVAC and building services with dozens of motors centralized in MCCs.
• Packaging and bottling lines that benefit from quick changeover and standardized parameter sets.
• Chemical and process skids integrating remote diagnostics over fieldbus to DCS.

One thing I appreciate is how maintenance teams use the trip log to distinguish between genuine overloads and mechanical blockages. A food processor told us their downtime dropped because operators could see the event history instead of guessing at the fault.

Advantages & Value

• Reliability – Industrial-grade design with clear fault coding reduces trial-and-error restarts.
• Compatibility – Aligns with SIEMENS SIRIUS contactors and standard MCC practices; easy drop-in for expansions.
• Cost efficiency – Replaces multiple relays/meters; fewer wires and terminals typically mean faster builds.
• Lifecycle support – Parameter sets can be backed up and cloned, which simplifies spares and plant-wide standardization.

Installation & Maintenance

• Cabinet environment – Mount on 35 mm DIN-rail inside a ventilated panel; keep ambient within -20…+60 °C and avoid condensation.
• Wiring – Use correctly sized conductors; keep PROFIBUS DP cabling shielded with proper RS‑485 termination at segment ends.
• Grounding – Bond shields and the cabinet properly to minimize noise on fieldbus and digital I/O.
• Parameterization – Set motor FLC, trip classes, restart behavior, and diagnostics mapping prior to start-up. Save parameter files for future replacement.
• Routine maintenance – Periodically review trip/event logs, clean dust from ventilation paths, and check terminal tightness. Apply firmware updates when released to improve stability.
• Safety – Isolate control power before servicing; verify that downstream contactors and feeders are de-energized.

Supporting Components (Popular Pairings)

• SIMOCODE current measuring modules (3UF7xx) – Select the range to match motor FLC (e.g., S00…S3 feeders).
• Operator panels (3UF79xx) – Local start/stop, display of faults/values, and parameter access at the door.
• Current transformers for higher ratings – For large motors, use external CTs with the appropriate SIMOCODE measuring module.
• SIRIUS contactors and circuit breakers – Standard Siemens feeders pair neatly with SIMOCODE wiring kits.

Quality & Certifications

• Conformities: CE, cULus listing, and RoHS-compliant materials (typical for this series).
• Manufacturing quality system: ISO 9001 at the manufacturer level.
• Warranty: 365 days replacement/repair service per our sales terms.

If you’re matching an installed base or specifying a new MCC, share your motor current range and fieldbus preference. We’ll confirm the exact 3UF7 module set, verify I/O needs, and make sure the 3UF7011-1AB00-0 aligns with your PLC and wiring standard.