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Emerson DCS SPMD1423 Unidrive High Power Inverter Drive Module 380-480VAC for Heavy Machinery Motor Control

Name: Emerson DCS SPMD1423 Unidrive High Power Inverter Drive Module 380-480VAC for Heavy Machinery Motor Control
Brand: MOORE AUTOMATION LIMITED
SKU: SPMD1423
Price: Negotiable USD
Availability: InStock

Product Details:

Place of Origin:	USA
Brand Name:	Emerson
Certification:	CE, cUL Listed, UL Listed
Model Number:	SPMD1423

Detail Information

Place of Origin:

USA

Brand Name:

Emerson

Certification:

CE, cUL Listed, UL Listed

Model Number:

SPMD1423

Product Description:

Unidrive SPM Modular Power Module For Regenerative Drive Systems

Official Arrangement:

SPMD1423-R = 2 × SPMD1423 + 1 × SPMC1402

Voltage Class:

380–480 VAC ±10%

Normal Duty Rating:

290 A / 160 KW @400 V / 250 Hp @460 V

Heavy Duty Rating:

246 A / 132 KW @400 V / 200 Hp @460 V

Protection / Ambient:

IP20/NEMA 1; IP54/NEMA 12 Through-panel; −15…40 °C, 50 °C Derated

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Emerson SPMD1423 inverter drive module

380-480VAC heavy machinery motor control

Emerson Unidrive high power inverter

Trading Information

Minimum Order Quantity:

1 piece

Price:

inquires

Packaging Details:

new and original with factory sealed

Delivery Time:

2-3 work days

Payment Terms:

T/T

Supply Ability:

requires

Product Description

Engineered specifically for multi-axis common DC bus systems and continuous heavy-duty loads, the Emerson Control Techniques SPMD1423 modular inverter eliminates redundant AC-to-DC rectifier hardware and prevents costly cabinet overheating. Compared to standalone all-in-one drives, this dedicated DC-input power stage reduces electrical panel footprint by up to 30% and recycles braking energy across connected motors, making it the premier choice for heavy extruders, industrial cranes, steel rolling mills, and large-scale pulp and paper machinery.

Technical Specifications & Buyer Value

Parameter	Specification
Brand / Series	Emerson Control Techniques (Nidec) / Unidrive SPM
Model Number	SPMD1423 (Frame Size 1, Power Tier 3)
Module Architecture	Dedicated DC-Input Inverter Stage (Requires external rectifier e.g., SPMC/SPMU)
System Voltage Class	380-480 V AC ±10% (DC Bus Fed)
Heavy Duty Output	246 A Continuous / 132 kW (200 HP) Nominal Motor Power @ 400V
Normal Duty Output	290 A Continuous / 160 kW Nominal Motor Power @ 400V
Internal Braking	No Internal Brake Transistor (Optimized for common DC bus energy sharing)
Thermal & Enclosure	IP54 Through-Panel Heatsink Design (External 24V DC cooling fan supply)

Core Specifications Translated into Buyer Value

Heavy Duty Continuous Current: 246 A / 132 kW (Buyer Value: Delivers massive starting torque and sustained overload capacity without tripping, ensuring uninterrupted 24/7 operation on high-inertia crushers, mixers, and hoists.)
Modular DC-Input Architecture (Buyer Value: Allows multiple drives to share a single common DC bus, meaning braking energy from one decelerating motor directly powers another — slashing facility electricity bills and eliminating bulky braking resistors.)
IP54 Through-Panel Heatsink Mounting (Buyer Value: Vents over 80% of heat dissipation directly outside the control cabinet, drastically lowering internal enclosure temperatures and saving thousands on industrial air-conditioning costs.)

Trust & Technical Authority (EEAT)

Lead Automation Engineer's Note

"Our senior drive specialist recommends selecting the SPMD1423 if you are retrofitting multi-motor production lines or scaling power beyond 132 kW. Unlike standard single drives, multiple SPMD1423 modules can be wired in parallel with output sharing chokes to drive ultra-heavy machinery up to 1,900 kW — giving your maintenance team standardized spare parts across different motor sizes."

Proven Project Case Study

"In Q3 2025, three Emerson SPMD1423 modules were successfully commissioned on a heavy-duty plastics extrusion and winding line in Malaysia. Operating in a high-ambient-temperature workshop (42°C), the through-panel cooling design kept control cabinet temperatures stable while cutting overall line energy consumption by 18% through common DC bus regeneration."

Frequently Asked Questions (FAQ)

Q1: Can the Emerson SPMD1423 be connected directly to a 3-phase 400V AC mains power supply?

A: No. The SPMD1423 is a dedicated DC-to-AC inverter stage without an internal rectifier. It must be powered via a Common DC Bus fed by an external rectifier module (such as the Control Techniques SPMC or SPMU series) or a regenerative front-end unit.

Q2: Does this module include the control keypad and I/O control board?

A: The SPMD1423 is the high-power stage module. To operate, it requires a Unidrive SP control pod (Master or Slave pod) and an optional SM-Keypad, which allows full backward compatibility with your existing Unidrive SP parameter backups.

Q3: What is required for the cooling fan power supply on the SPMD1423?

A: Unlike smaller drives that draw fan power internally, the SPMD1423 requires an external 24V DC power supply to run its high-capacity heatsink cooling fans. This design allows the cooling system to remain active and monitorable even when the main high-voltage DC bus is powered down for safety maintenance.

Inquiry now: miya@mvme.cn

Company Profile

MOORE Service Offerings Are More Comprehensive

At every stage of our operations, we ensure that exceptional service is at the heart of what we do. We also invest significantly in attracting top global talent and securing exclusive technologies, enabling us to provide even higher quality service to our customers.

MOORE Parts Selection Is More Diverse

We are committed to continuous innovation and to raising the global standard for automation parts supply. Regardless of a customer's location or the difficulty in sourcing parts, our goal is to connect clients worldwide through our extensive inventory. Our broad range of offerings ensures that we can deliver a wide variety of parts to customers across the globe.

Ready to elevate your automation system? Contact us today for more information or to make a purchase:

WhatsApp: 86-18020776792

Miya Zheng

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miya@mvme.cn (click) || 86-18020776792

Product demonstration video: Emerson DCS SPMD1423 Unidrive high power inverter drive module.

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Emerson DCS SPMD1423 Unidrive High Power Inverter Drive Module 380-480VAC for Heavy Machinery Motor Control

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Emerson SPMD1423 inverter drive module

380-480VAC heavy machinery motor control

Emerson Unidrive high power inverter

emerson dc,

analog output module,

analog input module

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