• Allen-Bradley 41391-701-51
  • Allen-Bradley 41391-701-51
  • Allen-Bradley 41391-701-51
1 3

Allen-Bradley 41391-701-51 SMC Soft-Start Driver Board

Allen-Bradley 41391-701-51 SMC Soft-Start Driver Board

Only 8 item(s) left in stock

  • Manufacturer: Allen-Bradley

  • Product No.: 41391-701-51

  • Country of origin:United States

  • Product Type: SMC Soft-Start Driver Board

  • Barcode: 8537101190

  • Payment: T/T, Western Union

  • Weight: 900g

  • Dimensions: 3.5cm x 13cm x 14.5cm

  • Shipping port: Xiamen

  • Warranty: 12 months

View full details
Product Description
FAQ
Shipping Returns
Additional details
Reviews

Description

The Allen-Bradley 41391-701-51 is an industrial printed circuit board designed to function as a dedicated SMC Soft-Start Driver Board. It operates within solid-state motor controller assemblies to regulate gating signals and handle gating power distribution during the acceleration and deceleration phases of industrial motor control. Equipped with onboard transformers, this mountable PC board isolates control circuitry from high-power line potentials while managing internal voltage stepping. The interface includes precise pin header terminal groups to route logic signals from the main controller straight to the external thyristor or power semiconductor blocks, stabilizing current distribution across heavy manufacturing setups.

Features

  • Integrated on-board transformers providing local voltage translation and electrical isolation.
  • Dedicated mountable layout built for secure integration inside standard motor controller enclosures.
  • Multi-point terminal interface containing discrete multi-pin connectors to distribute internal gate triggers and logic feedback loops.

Applications

  • Smart Motor Controller (SMC) systems and solid-state industrial starters.
  • Heavy-duty motor acceleration and soft-starting control panels.
  • High-power semiconductor gating and phase control assemblies.

Technical Specifications

Parameter Specification
Manufacturer Allen-Bradley
Model Number 41391-701-51
Product Type SMC Soft-Start Driver Board
Form Factor Mountable PC Board
Onboard Power Isolation On-board transformers
6-Pin Connectors 2x
8-Pin Connectors 2x
4-Pin Connectors 3x

Connections/Interfaces

Connector Type Quantity Function
6-Pin Connector 2x Interface for logic control signals and gating channels
8-Pin Connector 2x Main processing connections and power paths
4-Pin Connector 3x Auxiliary monitoring tracks and diagnostic loops

Installation Guidelines

  • Chassis Mounting: Secure the PC board firmly using designated mounting points to maintain rigid positioning inside the industrial controller cabinet and mitigate physical strain.
  • Interface Alignment: Match all 4-pin, 6-pin, and 8-pin terminal headers with corresponding factory wire harnesses, checking indexing keys to avoid misalignment faults before locking down junctions.
  • Electrostatic Grounding: Utilize appropriate ESD-safe handling procedures, including a grounded technician wrist strap, when performing system setup or maintenance to guard solid-state components against transient discharge.
Key Features:
#SMC Soft-Start Driver Board

What is the primary role of the onboard transformers on this driver board?
The on-board transformers provide isolated voltage translation, protecting the low-voltage logic components on the board from high-potential line paths during soft-start control cycles.

How many multi-pin terminal groups are available on the interface of the device?
The interface is engineered with a total of seven terminal blocks, containing two 6-pin connectors, two 8-pin connectors, and three 4-pin connectors for system integration.

Are there any special static handling steps required during installation?
Yes, because the driver board incorporates solid-state electronic paths, it must be handled inside an ESD-protected zone using a grounded wrist strap to prevent static damage.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Color pattern
Greyish White
Country of origin
United States
Power source
DC Power

Recently Viewed Products

Technical knowledge

Faulhaber compact motion controller used in precision micro drive and mechatronic assemblies
Micro Drive Specialist EMS Bets on Custom Engineering to Broaden Market Appeal

UK micro-drive specialist EMS is pairing Faulhaber high-torque gearheads and compact motion controllers with in-house custom engineering—aiming beyond catalog sales into tailored mechatronics.

PAC and I/O racks on an industrial control backplane used for modular PLC-style automation
Bringing Object-Oriented Thinking to PLC Programming

Copy-paste ladder does not scale. Object-oriented PLC techniques—user-defined structures and instructions—cut duplication, propagate fixes once, and keep large multi-device programs readable.

High-hazard process plant and refining units where process safety management governs operations
Why Process Safety Management Programs Fail Even When OSHA Boxes Are Checked

OSHA boxes checked is not the same as a living PSM system. Refinery history shows programs fail when procedures, training, contractors, and investigations drift from how the plant actually runs.

SCADA system overview display used for supervisory monitoring of industrial processes
What Is SCADA? Supervisory Control Without Replacing the PLC

SCADA sits above PLCs and RTUs: it acquires field data, alarms operators, and issues supervisory commands across plants and remote assets—without replacing local deterministic control.

Industrial variable frequency drive controller mounted for factory motor control
What Is a VFD? Variable Frequency Drives That Actually Move the Needle

A VFD turns fixed-frequency mains into controlled voltage and frequency so AC motors match real load—cutting pump and fan energy while tightening torque, soft-start, and braking behavior.

Modular PLC chassis with processor, power supply, and analog-digital I/O cards
What Is a PLC? The Controllers That Still Run the Plant Floor

PLCs still run the plant floor: scan cycles, I/O, and IEC 61131-3 languages decide whether machines stay deterministic. Here is how controllers work, where they win, and where they strain.