VFD1A5MS43ANSAA Delta Electronics 460V 3-Phase Drive

Oiltech Controls’ Insight

The Delta Electronics VFD1A5MS43ANSAA represents a highly reliable subsystem for modern control cabinets. Delta has consolidated premium safety features into the compact Frame A4 footprint by embedding a hardware-based Safe Torque Off (STO) circuit. Unlike older legacy drives, this VFD-MS300 variant natively executes control loops for both Induction Motors (IM) and Permanent Magnet (PM) synchronous motors without requiring additional encoder feedback cards. The 1.5A Heavy Duty rating supports a robust 150% overload capacity for 60 seconds. This makes it an ideal choice for high-torque startups in space-constrained industrial layouts. For stock allocation or bulk integration discounts, please submit an engineering ticket to info@oiltechcontrols.com.

Core Technical Profile

• Manufacturer: Delta Electronics
• Model Designation: VFD1A5MS43ANSAA
• Product Series Platform: VFD-MS300 Series
• Enclosure Frame Dimension: Frame A4 Size
• Nominal Power Output: 400 W (0.4 kW)
• Heavy Duty Current Output: 1.5 A (150% overload capacity for 60 seconds)
• Main Input Power: 460 V AC 3-Phase operational grid supply
• Integrated Safety Function: Hardware Safe Torque Off (STO) safety terminal system
• EMC Filter Configuration: Non-functional base model (Filter omitted)
• Enclosure Ingress Rating: IP20 protective class standard
• Hardware Variant Layer: Standard machine variant, Version A firmware architecture

Target Machinery Compatibility

• Precision machine tool spindles using high-speed 3-phase induction motors
• Automated packaging machinery utilizing synchronous permanent magnet (PM) motors
• Small-scale industrial conveyor lines requiring precise heavy-duty acceleration loops
• Chemical dosing pumps demanding continuous torque control at low operational velocities

Global Logistics and Warranty Terms

• Processing Timeframe: Order processing and dispatch completed within 24 to 28 hours from our warehouse
• Global Express Couriers: Direct air-freight routing managed via FedEx, UPS, or DHL Express networks
• Warranty Period Coverage: Backed by a full 12-month commercial warranty covering component reliability

Technical Application FAQ

• Q: How do I configure this drive to run a Permanent Magnet (PM) motor instead of an Induction Motor (IM)?A: You must modify the motor control type parameter in the group 00 parameters. Perform a complete rotational auto-tune with the uncoupled PM motor to map internal stator resistance accurately.
• Q: What is the benefit of the built-in S-code Safety Torque Off (STO) terminal on this model?A: The hardware-based STO directly cuts off drive gate pulses. This safely prevents the inverter from generating rotational torque without needing redundant external main line contactors.
• Q: Can I install this IP20-rated Frame A4 drive directly onto a machine chassis outside of an enclosure?A: No. The IP20 chassis does not offer moisture or heavy dust protection. You must mount this unit inside an appropriately rated electrical enclosure to prevent particulate failure.
• Q: How should I size the circuit breaker for this 460V 1.5A Heavy Duty inverter?A: Size your upstream protective device according to the maximum input current specification. Oiltech Controls recommends a 3-pole molded case circuit breaker rated between 5A and 10A to prevent nuisance trips.
• Q: Does this specific ANSAA model variant include an internal EMC filter for residential emissions standards?A: No. The “N” code indicates this variant lacks an integrated EMC filter. If your plant demands strict noise mitigation, you must install an external line filter. Contact our engineering desk via WhatsApp (+86 158 8020 0923) for component sourcing.

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