SMC INR-244-755 Power Supply | Replacement, Equivalent & Selection Guide
The SMC INR-244-755 is a dedicated power supply unit designed for SMC pneumatic and automation systems. This page provides a comprehensive selection guide, compatible replacement models, technical specifications, and sourcing information to help engineers and procurement teams make confident decisions.
Technical Specifications
| Manufacturer | SMC Corporation |
| Part Number | INR-244-755 |
| Product Type | Power Supply Unit |
| Weight | 200 g (approx.) |
| Application | SMC Pneumatic / Automation Systems |
| Condition Available | New, Refurbished, OEM Equivalent |
Note: For full electrical specifications (input voltage, output voltage, rated current), please contact our technical team or refer to the official SMC datasheet.
Compatible Replacement & Equivalent Models
If the INR-244-755 is discontinued, on long lead time, or outside your budget, the following models may serve as functional equivalents depending on your system configuration:
- SMC INR-244-754 — Previous generation, verify output ratings before substitution
- SMC INR-244-756 — Successor model with updated firmware compatibility
- Third-party OEM equivalents — Available upon request; matched by electrical and mechanical parameters
Important: Always verify input/output voltage, current rating, connector type, and mounting dimensions before substituting any power supply. Contact [email protected] for a verified compatibility check.
Why Choose the Original Model
- ✅ OEM-certified compatibility — Designed and validated by SMC for their automation ecosystem
- ✅ Stable output performance — Minimizes risk of voltage fluctuation affecting downstream pneumatic valves and sensors
- ✅ Warranty compliance — Using original parts preserves system warranty and CE/UL certifications
- ✅ Long service life — Built to industrial-grade standards for 24/7 continuous operation
- ✅ Reduced integration risk — No firmware or connector adaptation required
Typical Applications
- SMC EX series fieldbus manifold systems
- SMC pneumatic valve island power distribution
- Industrial automation control panels
- PLC-controlled pneumatic actuator systems
- Factory automation lines requiring stable 24 VDC auxiliary power
System Compatibility
The INR-244-755 is primarily designed for use within SMC’s modular automation architecture. Confirmed or commonly reported compatible systems include:
- SMC EX250 / EX260 / EX500 series fieldbus systems
- SMC SY / VQC / VFS series valve manifolds
- Siemens S7-300 / S7-1200 / S7-1500 PLC panels (as auxiliary supply)
- Mitsubishi MELSEC iQ-R / Q series control cabinets
- Omron NX / NJ series machine automation controllers
Compatibility depends on your specific system configuration. Contact us for a pre-purchase compatibility review.
Selection Guide
Use the following criteria to determine whether the INR-244-755 is the right power supply for your application:
- Step 1 — Confirm output requirements: Match the output voltage and current to your SMC manifold or valve island specifications.
- Step 2 — Check mounting format: Verify DIN rail or panel-mount compatibility with your control cabinet layout.
- Step 3 — Assess load profile: Ensure the rated output current covers peak inrush current of all connected devices.
- Step 4 — Review certifications: Confirm CE, UL, or other regional certifications required by your project.
- Step 5 — Evaluate lead time vs. equivalent: If OEM lead time is unacceptable, request a verified equivalent from Konmask.
Quality Assurance & Sourcing
- 🔍 Source traceability — All units sourced from authorized distributors or verified secondary market channels
- 🔧 Pre-shipment inspection — Functional and visual inspection performed before dispatch
- 📦 Anti-static packaging — ESD-safe packaging for all electronic components
- 📋 Documentation available — Test reports, certificates of conformity, and datasheet copies on request
- 🌐 Global shipping — DHL / FedEx / UPS express available; customs documentation provided
How to Order
- Click Add to Cart or Buy Now on this page for standard stock orders.
- For bulk orders (>5 units), RFQ pricing, or lead time inquiries — email [email protected] with your quantity and delivery requirements.
- For replacement/equivalent sourcing, provide your original part number and system model — our team will respond within 1 business day.
- Payment: T/T, PayPal, credit card, and trade assurance accepted.
Replacement & Compatibility FAQ
Q: Is the INR-244-755 still in production?
A: Production status varies. Contact us for current availability and lead time from SMC or verified equivalent sources.
Q: Can I use a generic power supply as a replacement?
A: Only if the electrical specifications (voltage, current, ripple) and connector pinout are identical. We strongly recommend a verified OEM equivalent to avoid system faults.
Q: Do you offer a warranty on replacement units?
A: Yes — new OEM units carry manufacturer warranty. Refurbished and equivalent units carry a 90-day Konmask functional warranty.
Q: Can you supply the INR-244-755 with a certificate of conformity?
A: Yes, documentation is available upon request for all stocked units.
Q: What is the typical lead time?
A: In-stock units ship within 1–3 business days. Out-of-stock items typically have a 2–6 week lead time depending on source.
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