Heyco Strain Reliefs Metal Strain Reliefs for Round Cables
Metal Strain Reliefs
  • Made of plated steel.
  • Designed to be attached to wire and cable inside of the panel.
  • Permanent grip, non-slip design.
  • Absorbs pull force only, to help meet UL and CSA requirements.
  • Easy assembly with recommended hand pliers.
 
Heyco® Metal Strain Relief Bushings
For Round Cables
Will Fit These Cables Part Number Description Part Dimensions Attaching
Pliers No.
Approx. Diameter O W L
Min.- Max. Min.- Max.
in. mm. in. mm. in. mm. in. mm.
.250 - .345 6,4 - 8,8 7412 MSR-1B .29 7,4 .50 12,7 .17 4,3 0018
7410 MSR-1 .29 7,4 .59 15,0 .17 4,3 0019
7418 MSR-2S .78 19,8
7420 MSR-2 .76 19,3
7430 MSR-3 .65 16,5
.300 - .345 7,6 - 8,8 7411 MSR-1A .20 5,1 .53 13,5 .17 4,3 0018
7419 MSR-2A .78 19,8
.340 - .390 8,6 - 9,9 7414 MSR-2W .26 6,6 .78 19,8 .17 4,3 0018
.375 - .420  9,5 - 10,7 7421 MSR-2WS .28 7,1 .78 19,8 .17 4,3 0019
7422 MSR-1C .29 7,4 .59 15,0 .21 5,3
Attaching Pliers
  • Part No. 0018 (1-AB) Hand Pliers for Metal Strain Reliefs:
    MSR-1A, MSR-1B, MSR-2W, MSR-2A
  • Part No. 0019 (R-12) Hand Pliers for Metal Strain Reliefs:
    MSR-1, MSR-1C, MSR-2, MSR-2S, MSR-2WS, MSR-3