The TMC3-050-1-SS is a high-performance cable gland from the Eaton Crouse-Hinds TMC3 series, meticulously engineered for demanding industrial and hazardous environments where safety and reliability are non-negotiable. Let’s delve into what makes this component exceptional and how it can enhance your applications.

Decoding the Part Number

Understanding the part number helps clarify its features:

  • TMC3: Refers to the series designed for terminating metal-clad (MC) and Teck armored cables, providing flameproof and environmental seals suitable for hazardous locations.
  • 050: Indicates the 1/2″ NPT (National Pipe Thread) size, a standard for conduit and cable entries.
  • -1: Typically denotes aluminum construction in Eaton’s part numbering. However, when combined with -SS, it likely signifies a specific design variant.
  • -SS: Stands for Stainless Steel, indicating the gland is constructed from stainless steel, offering superior corrosion resistance and durability.

Key Specifications

  • Material: Stainless Steel
  • Thread Size: 1/2″ NPT
  • Armor Clamping Range: 0.452″ – 0.660″ (11.48 mm – 16.76 mm)
  • Cable Clamping Range: 0.500″ – 0.780″ (12.70 mm – 19.81 mm)
  • Ingress Protection Rating: IP66/IP67
    • IP66: Dust-tight and protected against powerful water jets.
    • IP67: Protected against temporary immersion up to 1 meter.
  • Temperature Range: -50°C to +100°C (-58°F to +212°F)
  • Certifications:
    • UL Listed and CSA Certified for use in:
      • Class I, Division 1 & 2 (Groups A, B, C, D)
      • Class II, Division 1 & 2 (Groups E, F, G)
      • Class III
    • ATEX and IECEx approved for European and international standards, suitable for Zone 1 and Zone 21 hazardous locations.

Description

General specifications

Product Name
Eaton Crouse-Hinds series TMC3 cable gland
Catalog Number
TMC3-050-1-SS
UPC
662276888562
Product Length/Depth
3.35 in
Product Height
1.63 in
Product Width
1.63 in
Product Weight
0.99 lb

Certifications and compliances

Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
IECEx/ATEX
NEC hazardous rating
Class II, Division 1
Class III
NEMA Rating
4X
Ingress protection (IP) ratings
IP66

Product specifications

Protection type
Industrial
Gland type
Armoured and non-armoured
Cable type
MC
MC-HL
TECK
TC
TC-ER
TC-ER-HL
ITC
ITC-ER
ITC-HL
PLTC
PLTC-ER
ACIC
Material
Stainless steel
Thread Size
1/2″
Thread type
NPT
Armor (min/max)
0.579″ – 0.872″
Cable range (min/max)
0.67″ – 1.00″
Outer sheath (min/max)
0.65-1.00″
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