Overview
Overview
The Pacific Scientific SR3640-1034-84-7-56HC is a permanent magnet DC (PMDC) motor engineered for industrial automation and motion control applications. Rated for 180VDC input at 2.6A, this 1/2HP motor delivers consistent 1750RPM output with Class H insulation rating (356°F maximum), enabling reliable operation in demanding thermal environments. The 56C NEMA frame design provides standard mounting compatibility across most industrial equipment.
Key Features
- Permanent magnet fields deliver efficient, compact performance with wide speed range capability
- Class H insulation (356°F max) supports high-temperature industrial duty cycles
- 56C NEMA frame mounting ensures compatibility with standard mechanical interfaces
- Rugged, fused commutator design enables dynamic braking and high overcurrent tolerance
- Large sealed bearings provide extended bearing life and minimal maintenance
- Simple brushed DC construction—no external field excitation or complex control required
Technical Specifications
The SR3640-1034-84-7-56HC delivers precise motor control across a wide range of industrial applications. Its permanent magnet field design and sealed bearing construction ensure reliable service with minimal downtime.
Typical Applications
- Industrial automation conveyor systems and material handling equipment
- Machine tool spindle drives and positioning actuators
- Printing and packaging machinery requiring precise speed control
- Servo-driven test equipment and laboratory instrumentation
- Mobile and robotic systems with DC power sources
Compatibility & Replacements
Compatible With
- 180VDC power supplies and industrial DC drives
- Standard mechanical couplings and NEMA 56C frame mounting interfaces
- Dynamic braking and regenerative control circuits
- Tachometer and encoder feedback systems (with optional accessories)
Replaces / Drop-In Replacement For
The SR3640-1034-84-7-56HC is a specific variant within Pacific Scientific’s SR3640 permanent magnet DC motor family. Other SR3640 models exist with different voltage ratings (90VDC, 180VDC variants) and speed configurations. Verify compatibility with your system integrator before ordering, as voltage, current, and mounting configurations must match your application exactly.
Works With
- Direct 180VDC source power (no drive controller required for basic operation)
- PWM speed control circuits and industrial DC motor controllers
- Mechanical load coupling via standard 56C NEMA flange interface
- Optional tachometer, encoder, and thermal monitoring accessories










