General Description

Medium voltage switchgear KRU-SESH-70 is dedicated to electrical energy receiving and distribution (3-phase, rated voltage 6-20 kV, rated current 630-4000 A, frequency 50 Hz).

KRU-SESH-70 Scope of Application:

  • Oil & Gas industry;
  • Mines Metals Minerals;
  • Electrical Utilities;
  • Industry;
  • Infrastructure;
  • Generation including Nuclear power plants;
  • Transportation including Railways.

Easy access to the current transformers through CB compartment.
Remote control of withdrawable element or/and earthing switch.
Highly reliable inductive sensors instead position switches (optionally).
Bars temperature monitoring with non-contact sensors (optionally, up to 12 points).
«Easy-to-see» earthing switch through window at cable compartment door.
Voltage transformer in incoming cubicle with easy access.
Reliability: all the main components (CT, VT, VCB, relay protection, etc.) are produced in one company Electroshield Samara.

Technical Characteristics

Specifications
Value
KRU-SESH-70-10
KRU-SESH-70-20
Rated voltage, kV
6; 10 15; 20
Rated current, A
630-4 000 630-2 500
Rated short circuit breaking current, kA
up to 40 up to 25
Dimensions, mm (width x height х depth)
650,750,1 000 х 1 349 х 2 400, 2 650 

 750,1 000 х 1 449 х 2 400
   

List of sets of equipment

Accessory equipment
Name
Vacuum circuit breaker
VVU-SESH, VVM-SESH
SF-6 breaker
LF-1, LF-2, LF-3
Current transformers
TOL-SESH; TSHL-SESH 
Zero-phase sequence current transformers TZLK(R)-SESH
Zero-phase sequence transformers CSH 120; CSH 200
Voltage transformers
NALI-SESH; ZNOL-SESH; NOL-SESH
Auxiliary transformers
OLS-SESH; TLS-SESH