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Home > Products > Indoor HV Vacuum Circuit Breaker > Yfgz16-12D-Vacuum Circuit Breaker Acts Simply and Reliably

Yfgz16-12D-Vacuum Circuit Breaker Acts Simply and Reliably

Basic Info

Model No.:  YFGZ16-12D

Product Description



Model NO.: YFGZ16-12D


Operation: Manual or Electric


Arc-extinguishing Medium: Vacuum


Structure: Vcb


Type: Circuit Breaker


Opertion Model: Electrically or Manually


Features: Frequent Operation Long&Electrical Endurance


Origin: Jiangyin Yunfeng, China




Breaking Capacity: High Voltage Circuit Breakers


Speed: High-Speed Circuit Breaker


Installation: Front or Invert Installation


Poles Number: 3


Certification: ISO9001-2000, CE


Environment: Indoor Use


Trademark: YF


Product Overview

YFGZ16(ZN16B)-12 series indoor AC HV Vacuum Circuit Breaker with disconnector is the product researched and developently by our company, and its performance meets requirements of national standard GB 1984-2003 HV AC Circuit Breaker and international standard IEC 62271. It has advantages of obvious isolating fracture, long electrical endurance, availability for frequent operation, small overall dimensions and simple, reliable "five-prevention" interlock of cabinet, ect. The product includes CTE2 two-level drive spring operation mechanism self-developed by us and awarded with multiple national invention patents. It acts simply and reliably. It has two functions: manual and electric functions and it can realize the remote control.



Yfgz16-12D-Vacuum Circuit Breaker Acts Simply and Reliably



Model Specification

Yfgz16-12D-Vacuum Circuit Breaker Acts Simply and Reliably



Yfgz16-12D-Vacuum Circuit Breaker Acts Simply and Reliably



Characteristics

---obvious isolating fracture

---long electrical endurance

---availability for frequent operation

---small overall dimensions

---simple, reliable "five-prevention" interlock of cabinet





Main Techincal Parameters

Serial No. Item Unit YFGZ16-12
1 Rated voltage kV 12
2 Rated frequency Hz 50
3 Rated current A 630; 1250
4 Rated short-circuit breaking current of circuit breaker kA 25
5 Rated short-circuit making current kA 50;63
6 Rated peak withstand current kA 630
7 Rated short-time withstand current ---Circuit breaker(including disconnector) ---Earthing Switch kA/s
25/4
25/2
8 1 min power-frequency withstand voltage (peak) to earth,phase-to-phase,vacuum fracture/ isolating fracture kV/kV 42/48
9 Full-wave lightning impluse withstand voltage (peak) to earth,phase-to-phase,vacuum fracture/ isolating fracture kVA 75/85
10 Main loop resistance μΩ ≤90;≤60
11 Rated breaking current of single capacitor bank A 400
12 Mechanical life Time 10000
13 Clearance between open contacts mm 9±1; 10±1
14 Overtravel(compression length of contact spring) mm
15 Gross thickness of contact wear mm 3
16 Average opening speed m/s 0.75-1.25
17 Average closing speed m/s 0.5-0.8
18 Rated contact pressure N 2000±200
19 Contact closing bounce time ms ≤2
20 Three-phase opening and closing asynchronization ms ≤1
21 Inter-pole center distance mm 210±3
22 Distance between live parts and of phase to earth mm ≥125
23 Closing operation torque of vacuum arc-extinguishing chamber N.m ≤80
24 Opening operation torque of vacuum arc-extinguishing chamber N ≤10






Yfgz16-12D-Vacuum Circuit Breaker Acts Simply and Reliably

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Product Categories : Indoor HV Vacuum Circuit Breaker

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