Quick Answer: ABB vs Siemens Drive — The 30-Second Verdict
Short answer: For high-power, heavy-duty and legacy replacement scenarios, ABB (ACS800/ACS550) is the safer choice — it covers 315kW–710kW, 602A–1370A, with built-in brake choppers and DC chokes. For compact, PROFINET-native, safety-integrated and servo-driven machines, Siemens (SINAMICS G120/G120C/S210) wins with STO SIL3 and 22-bit encoder feedback. If you need to buy ABB Drive for a legacy ACS800/ACS550 line, ABB is the safer swap; if you're building a new PROFINET/S210 servo cell, Siemens is the better fit.
This ABB Drive comparison walks through real specs, price bands and live stock status so you can decide what to buy today. Both brands are stocked at zzsl-pcl.com — 20 ABB SKUs and 21 Siemens Drive SKUs — including hard-to-find and discontinued models.
ABB vs Siemens Drive: Head-to-Head Comparison Table
The table below compares real catalog data. ABB is represented by the ACS800/ACS550 families; Siemens by the SINAMICS G120/G120C/S210 families. Specs, prices and stock status are pulled directly from our inventory.
| Feature | ABB (ACS800/ACS550/ACS510/ACS355) | Siemens (SINAMICS G120/G120C/S210) | Winner |
|---|---|---|---|
| Power range | 1.5HP–710kW (ACS800-07 up to 710kW/1370A) | 0.55kW–11kW (G120C/PM240-2); S210 servo 1.0/2.5kW | ABB (high power) |
| Voltage | 380-415V / 380-480V / 380-690V 3-phase | 380-480V 3-phase | ABB (wider range) |
| Output current | Up to 1370A (ACS800-07); 960A DC supply module | Up to 16A (PM240-2 7.5kW); 12.5A (G120C 5.5kW) | ABB |
| Control modes | DTC (ACS800); V/f + PID (ACS550/ACS510); 0-599Hz (ACS355) | V/f, sensorless vector; PROFINET RT/IRT (S210) | Tie (application-dependent) |
| Safety | Optional | STO SIL3 standard on G120C/S210 | Siemens |
| Communications | Modbus, built-in EMC filter, DC choke | PROFINET 2-port + RS485 (CU240E-2 PN) | Siemens (PROFINET) |
| Enclosure | IP21/IP54; cabinet ACS800-02/07 | Compact FSA/FSC frames | Tie |
| Price range | $300–$50,000 (ACS510 small to ACS800-07 710kW) | $200–$8,000 (EM 235 to PM240-2 7.5kW) | Siemens (entry cost) |
| Stock status | Mixed — ACS550 50HP/100HP In Stock; high-power Limited/On Order | Mostly In Stock (G120C, S210, PM240-2) | Siemens (availability) |
| Best for | Heavy-duty, high-power, pump/fan retrofits, legacy replacement | Compact panel builds, PROFINET cells, servo motion, safety | Depends on application |
Pricing & Availability: What's In Stock Now (Buy ABB Drive or Siemens)
Stock reality matters as much as spec sheets. Here's what's live at zzsl-pcl.com right now for anyone researching an ABB Drive comparison or planning to buy ABB Drive.
ABB in stock: ACS550-U1-059A-4 — ACS550 50HP Drive ($1,500–2,400, In Stock) and ACS550-U1-105A-4 — ACS550 100HP Drive ($2,800–4,400, In Stock) are the workhorses. The ACS510-01-04A1-4 — ACS510 2HP Drive ($350–550, In Stock) covers small pump/fan builds. High-power ABB is tighter: ACS800-01-0400-3 — ACS800-01 315kW Drive ($15,000–25,000, Limited Stock) and ACS800-04-0200-3 — ACS800-04 160kW Module ($8,000–12,000, Limited Stock) need confirmation before quoting. On Order: ACS800-07-0900-3 — ACS800-07 710kW Drive ($35,000–50,000) and ACS800-704-0910-7+0F253 — 960A DC Supply Module ($12,000–18,000).
Siemens in stock: 6SL3210-1KE23-8UF1 — G120C 7.5kW Compact ($2,500–8,000, In Stock) and 6SL3244-0BB12-1BA1 — CU240E-2 PN Control Unit ($200–350, In Stock) ship fast. Servo: 6SL3210-5FE11-0UF0 — S210 1.0kW Servo ($200–600, In Stock). Analog expansion: 6ES7 235-0KD22-0XA0 — EM 235 4AI/1AO (Limited Stock, $200–400).
Lead-time note: Siemens G120C is generally In Stock for fast replacement. ABB high-power ACS800 is often Limited Stock or On Order — verify before quoting. For ABB Drive price confirmation, request a quote.
Programming & Integration Differences: Migration Effort for Engineers
For engineers running an ABB Drive comparison against Siemens, the integration story splits cleanly. ABB ACS800 uses DTC (Direct Torque Control) with DriveWindow or Drive Composer; ACS550/ACS510 use plain V/f + PID over Modbus with built-in EMC filter and DC choke — minimal commissioning, ideal for pump/fan retrofits where the PLC logic is already locked in.
Siemens uses Startdrive/TIA Portal, PROFINET 2-port daisy-chain on G120C and CU240E-2 PN, STO SIL3 safety wiring, and S210 servo with 22-bit encoder over PROFINET RT/IRT. That means deeper TIA integration — but higher setup effort if you're not already a Siemens shop.
Migration caveats: ABB ACS800 parameter sets differ from ACS550, so don't assume a copy-paste config. Siemens G120 PM240-2 + CU is a split architecture — control unit and power module are ordered separately (e.g., CU240E-2 PN 6SL3244-0BB12-1BA1 paired with a PM240-2 power module). Recommendation: keep the incumbent brand where spares and PLC logic are locked in; switch only when the PLC platform (TIA vs AC500/800xA) or safety architecture justifies it.
Which Should You Choose? ABB or Siemens for Drive — Decision Guide
Choose ABB if: you need high power 160kW–710kW (ACS800-02-0400-3 — 315kW Cabinet Drive, ACS800-04, ACS800-07), heavy-duty DC supply (ACS800-704 960A), pump/fan energy savings (ACS510 1.5–25HP with built-in PID), HVAC/water with Modbus and built-in EMC/DC choke (ACS550 7.5–125HP), or machinery needing 0–599Hz (ACS355-03U-05A6-4 — 3HP Machinery Drive).
Choose Siemens if: you're building compact 0.55–11kW panel builds with PROFINET built-in (G120C), safety STO SIL3 is required by default, you need servo motion with 22-bit encoder (6SL3210-5FE12-5UF0 — S210 2.5kW Servo), you standardize on TIA Portal, or you need analog I/O expansion (EM 235 4AI/1AO).
Hybrid guidance: keep ABB for legacy ACS800/ACS550 replacement to avoid re-engineering; standardize new PROFINET lines on Siemens G120C/S210. This is the pragmatic answer to "ABB or Siemens for Drive" in most mixed shops — you're not picking one brand forever, you're picking the right brand per line.
Frequently Asked Questions: ABB vs Siemens Drive, Buying & Replacement
Is ABB or Siemens better for a 315kW drive?
ABB. The ACS800-01-0400-3 — 315kW Drive (602A, 380-415V) is a direct heavy-duty fit, and the cabinet version ACS800-02-0400-3 is also available. Siemens G120 tops out lower in this catalog.
Can I replace a Siemens G120 with an ABB ACS550?
Possible at matching kW/A but not a drop-in. You'd need to rewire PROFINET→Modbus and fully re-commission, so keep the incumbent brand unless a platform change justifies it.
What does an ABB ACS550 50HP cost and is it in stock?
The ACS550-U1-059A-4 — 50HP Drive runs $1,500–2,400 and is In Stock. The 100HP ACS550-U1-105A-4 ($2,800–4,400) is also In Stock.
Where can I buy ABB ACS800 spare modules?
At zzsl-pcl.com. The ACS800-704-0910-7+0F253 960A DC supply is On Order ($12,000–18,000); the ACS800-04-0200-3 — 160kW Module is Limited Stock ($8,000–12,000). Confirm lead time before quoting.
Which Siemens drive replaces a 7.5kW G120 PM240-2, and how much does it cost?
Use 6SL3244-0BB17-7FA0 — PM240-2 7.5kW (16A) or the G120C 6SL3210-1KE23-8UF1 — 7.5kW Compact with PROFINET built-in. Both are In Stock.
Key Takeaways: Best Drive Brand for Your Application
- ABB wins high power: ACS800 up to 710kW/1370A plus a 960A DC supply module.
- Siemens wins compact + safety: G120C 0.55–11kW with PROFINET and STO SIL3 built in.
- Buy ABB Drive for legacy ACS550/ACS800 replacement to avoid re-engineering — the ACS550 50HP and 100HP are In Stock.
- Siemens SINAMICS S210 (1.0kW/2.5kW, 22-bit encoder, PROFINET RT/IRT) is the pick for servo motion.
- Price bands: ABB ACS550 $300–$5,500 (small/mid), ACS800 $8,000–$50,000 (heavy); Siemens G120C/S210 $200–$8,000 typical.
- Stock reality: Siemens G120C is mostly In Stock; ABB high-power is often Limited or On Order — always verify lead time.
- zzsl-pcl.com stocks 20 ABB and 21 Siemens Drive SKUs, including hard-to-find and discontinued models.
Need ABB or Siemens Drive parts? Browse our ABB inventory and Siemens inventory. Request a quote → for bulk orders or hard-to-find models.