Reliance Electric 64412-2T Tachometer Generator

Reliance 64412-2T

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Key Features

Technical Specifications

The following specifications are typical for DC tachometer generators in this series. For exact values, direct measurement or original documentation is recommended.

General

Electrical

Mechanical

Applications

The 64412-2T is suited for industrial environments requiring precise motion control:

• Closed-Loop Drive Systems: Provides feedback to DC drives for accurate speed control.

• Legacy System Maintenance: Direct replacement for worn or damaged tachometers in existing equipment.

• Material Handling: Conveyor systems requiring consistent belt speed.

• Web Processing: Tension control and speed synchronization in paper, film, or foil processing.

• Machine Tool Industry: Feedback for spindle speed regulation.

Important Notes

• Legacy Component: The 64412-2T is a legacy component from Reliance Electric, a brand now part of ABB [citation:1]. New units may be available as New Old Stock (NOS) or refurbished.

• Replacement Options: If an exact replacement is unavailable, verify voltage constant (V/kRPM) and shaft dimensions when looking for modern equivalents.

• Maintenance: Brushes and commutators in DC tachometers may require periodic inspection and cleaning for reliable operation.

• Interchangeability: Part numbers may sometimes appear with variants (e.g., 64412-2T vs. 64412T). Verify compatibility before installation.

FAQ

Q1: What is the primary function of the 64412-2T?
A: It is a DC tachometer generator that provides a voltage signal proportional to motor speed, enabling precise feedback for speed regulation in industrial drives [citation:1].

Q2: Is the 64412-2T still in production?
A: This is a legacy component. It is generally available through aftermarket and industrial automation suppliers.

Q3: Is the 64412-2T compatible with non-Reliance drives?
A: Compatibility depends on the drive's voltage constant (V/kRPM) requirement. It is a generic device; verify the "Volts per RPM" rating.

Q4: What kind of maintenance does this tachometer require?
A: As a brush-type device, it may require periodic inspection of the commutator and brush replacement.

Q5: Does the 64412-2T have the same specifications as the 64412T?
A: They may be interchangeable, but verify the exact electrical and shaft specifications before assuming direct interchangeability.