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ABB

ABB HTSS372165 Backup Current-Limiting Fuse, 38 kV, 165 A

Part Number: HTSS372165

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ABB HTSS372165 backup current-limiting fuse, 38.0 kV, 165 A, 50.0 kA interrupting, 83.5-85 x 560-561.3 mm, back-up type for distribution transformers, manufactured outside China.

Rated Current165 A
Rated Voltage38.0 kV
Breaking Capacity50.0 kA
Package83.5-85 mm dia. x 560-561.3 mm overall length (533.4-534 mm body)

The ABB HTSS372165 is a back-up current-limiting fuse for distribution transformers, rated 38.0 kV and 165 A. It is applied in series with a properly sized under-oil expulsion fuse (bay-o-net, load-sensing link or weak link): the expulsion fuse clears low-magnitude faults while the current-limiting fuse interrupts high fault currents and limits the let-through energy below the withstand capability of the transformer tank.

  • Voltage rating: 38.0 kV
  • Current rating: 165 A
  • Rated maximum voltage: 38.0 kV
  • Rated maximum interrupting current: 50.0 kA
  • Minimum interrupting current: 1200 A
  • Minimum melting I²t: 43500 A²s
  • Maximum total I²t: 155000 A²s
  • Overall diameter: 83.5-85 mm
  • Overall length: 560-561.3 mm
  • Body length: 533.4-534 mm
  • Weight: 6.1-6.3 kg

The same rating without the CN suffix is manufactured outside China.

Technical Specifications

Part Number
HTSS372165
Manufacturer Part Number
HTSS372165
Series
HTSS Series
Fuse Type
Backup current-limiting fuse
Current Rating
165 A
Voltage Rating
38.0 kV
AC / DC
AC
Breaking Capacity
50.0 kA
Pre-arcing I²t
43500
Total I²t
155000
Package / Dimensions
83.5-85 mm dia. x 560-561.3 mm overall length (533.4-534 mm body)
Application
Transformer
Weight
6.1-6.3 kg
Approvals
IEEE C37.40
Certifications
IEEE C37.40
Rated maximum voltage
38.0 kV; Rated maximum interrupting current: 50.0 kA; Minimum interrupting current: 1200 A; Manufactured outside China