Nord SK700E-751-340-A Frequency Inverter Drive | Replacement, Equivalent & Selection Guide
The Nord SK700E-751-340-A is a high-performance frequency inverter (VFD) from Nord Drivesystems’ SK 700E series, engineered for demanding industrial drive applications. This page provides a comprehensive replacement guide, compatible equivalents, and a structured selection framework to help engineers and procurement teams make confident sourcing decisions.
Technical Specifications
- Manufacturer: Nord Drivesystems (Getriebebau NORD GmbH & Co. KG)
- Model / SKU: SK700E-751-340-A
- Series: SK 700E
- Drive Type: AC Frequency Inverter / Variable Frequency Drive (VFD)
- Power Rating: 75 kW (100 HP) — 340 V class (3-phase 380–480 V AC input)
- Output Frequency: 0–400 Hz
- Control Mode: V/f, Sensorless Vector Control (SVC)
- Protection Class: IP20 (cabinet-mount)
- Communication: CANopen, PROFIBUS, Modbus RTU (option-dependent)
- Braking: Built-in braking transistor
- Certifications: CE, UL, cUL
- Weight: ~19 kg (approx.)
Compatible Replacement & Equivalent Models
When the SK700E-751-340-A is unavailable or discontinued, the following models offer functional or drop-in compatibility. Always verify electrical and mechanical parameters before substitution.
- Nord SK 750E-340-A — Direct series successor; same power class, enhanced firmware
- Nord SK 500E-751-340-A — Compact alternative within Nord’s portfolio; verify I/O mapping
- Siemens SINAMICS G120 75kW — Cross-brand equivalent; requires parameter re-mapping and mounting adaptation
- ABB ACS880-01-145A-3 — High-performance cross-brand replacement; confirm bus protocol compatibility
- Danfoss FC302 75kW 380V — Widely available alternative; fieldbus adapter may be required
- Yaskawa GA700 75kW — Cost-effective equivalent; verify encoder feedback requirements
⚠ Disclaimer: Cross-brand replacements require engineering validation. Konmask.com recommends consulting your system integrator before substitution.
Why Choose the Original Nord SK700E-751-340-A
- ✅ Seamless integration — Zero re-parameterization in existing Nord drive systems
- ✅ Proven reliability — Field-tested in conveyor, pump, fan, and compressor applications
- ✅ Nord ecosystem compatibility — Native support for Nord POSICON, BUS I/O modules, and gearmotor combinations
- ✅ Long service life — Robust thermal management and EMC-compliant design
- ✅ OEM-grade performance — Maintains original torque curves and motor protection profiles
Typical Applications
- Industrial conveyor and material handling systems
- Pump and fan speed control (HVAC, water treatment)
- Compressor and blower drives
- Crane and hoist drive systems
- Mixing and agitation equipment
- Packaging and printing machinery
- Textile and paper mill drives
System Compatibility
- Compatible Motors: Standard 3-phase asynchronous motors, 75 kW / 380–480 V
- Compatible PLCs: Siemens S7, Allen-Bradley ControlLogix, Mitsubishi MELSEC (via fieldbus)
- Fieldbus Options: CANopen, PROFIBUS DP, Modbus RTU, DeviceNet (option card)
- Nord Accessories: SK TU3-CAO, SK TU3-PBR, SK CSX-3A brake resistors
- Enclosure Mounting: DIN rail / panel mount (IP20 cabinet installation)
Selection Guide
Use the following criteria to confirm the SK700E-751-340-A is the right drive for your application — or to identify the best replacement:
- Step 1 — Power Match: Confirm motor rated power ≤ 75 kW and supply voltage 380–480 V 3-phase
- Step 2 — Control Mode: Determine if V/f or sensorless vector control meets your torque/speed requirements
- Step 3 — Fieldbus Protocol: Verify your PLC/SCADA communication protocol matches available option cards
- Step 4 — Environment: Confirm IP20 cabinet installation is suitable; upgrade to IP55 variant if exposed environment
- Step 5 — Braking: Assess dynamic braking needs; confirm built-in transistor is sufficient or external resistor required
- Step 6 — Replacement Validation: For cross-brand substitution, compare rated current (A), overload capacity, and I/O count
Quality Assurance & Sourcing
- 🔍 Visual Inspection: Label authenticity, housing integrity, and connector condition verified on receipt
- 📋 Documentation Check: Serial number, CE marking, and production batch records confirmed
- ⚡ Functional Test: Power-on self-test and parameter read-back performed where applicable
- 📦 Secure Packaging: Anti-static, shock-resistant packaging for international transit
Konmask.com sources Nord drives through authorized distribution channels and verified industrial surplus networks. All units are inspected prior to dispatch.
How to Order
- Confirm your SKU: Verify the full model number — SK700E-751-340-A — matches your nameplate
- Request a quote: Contact us at support@konmask.com for volume pricing or urgent requirements
- Provide application details: Share motor specs and system info for compatibility confirmation
- Place your order: Add to cart or request a proforma invoice for B2B procurement
- Shipping: Global shipping available; DHL / FedEx / sea freight options for bulk orders
Replacement & Compatibility FAQ
Q: Is the SK700E-751-340-A still in production?
A: This model may be in limited availability. Contact us to confirm current stock status and lead times.
Q: Can I replace it with a Nord SK 750E without re-wiring?
A: In most cases yes — terminal layout is similar, but parameter migration via NORDCON software is recommended.
Q: Do you supply the original Nord parameter backup file?
A: We can provide the standard factory parameter set. Application-specific parameters must be re-configured by your engineer.
Q: What warranty applies to this unit?
A: Konmask.com offers a 90-day functional warranty on all tested units. Extended warranty available on request.
Q: Can you source a specific firmware version?
A: Please specify your required firmware version at the time of inquiry. We will confirm availability.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
