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SR3644-4458-5 by Kollmorgen

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The SR3644-4458-5 is a DC motor from Kollmorgen’s SR and SRF Permanent Magnet Motors series, featuring a NEMA 42 frame with a bolt circle diameter of Ø 3.000 in (76.2 mm). Its splashproof construction and operating range of -40°C to 100°C support harsh environments. Designed for heavy loads with 140 lb radial and 400 lb axial shaft capacity, it offers dual-channel quadrature with index (Z) output via an MS Connector C encoder interface and a removable insulating bushing conduit connection.

Technical Specifications

Bolt circle diameter
Ø 3.000 in (76.2 mm)
Conduit connection (L)
1/2 NPSC tap with removable insulating bushing
Construction type
Splashproof
Encoder connector option
MS Connector C
Encoder output format
Dual-channel quadrature with index (Z)
Frame type
NEMA 42
Inner diameter
Ø 2.186±0.002 in (55.52±0.051 mm)
Max axial shaft load
400 lb (1780 N)
Max radial shaft load
140 lb (623 N)
Mounting screws
3x #10-32 UNC-2B, equally spaced
Operating temperature
-40°C to 100°C
Phase winding resistance
0.16 ? ±10%
Rotor inertia
0.16–0.80×10?³ kg·m²
Storage temperature
-40°C to 100°C
Terminal connections
Type L or M

Click here for product datasheet

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