Basic Info
Model No.: YFGZ16-12/T630-25
Product Description
Model NO.: YFGZ16-12/T630-25
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.
Model Specification



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 |


Product Categories : 12kV Indoor HV Load Switch
Email to this supplier
Other Products
Hot Products
Fuse Combination Unit Load Break Switch with Grounding Knife-Yfn5-12r (T) D/125-31.5Reasonble Price for Zinc-Oxide Lightning ArresterCkg Series High-Voltage Vacuum ContactorFn5-12r (T) D-Hv Load Switch with Reasonable Price.Hxgn-24 Indoor Ring Net Cabinet with High Quality, Reasonble PriceBest Selling, Reasonable Price&Good Service of Yfzn35-40.5 Series Vacuum Load Switch with FuseYFZRN-24 AC Hv Vacuum Load Switch with Safe and Easy Fuse12kv Series Factory Manufacture High-Voltage Isolating Switch--Yfg38-12D12kv Vacuum Arc Extinction High-Voltage Circuit Breaker Indoor Use -Vs1Fn5-12r (T) D Indoor AC Hv Load Switch-Fuse Combination UnitContact Box Md/150Mdgear 550 Solid Insulation Metal-Clad SwitchgearKyn61 Clad-Metal Drawable AC Metal Closed Switchgear550 Modularized Omni-Sealed Solid Insulation Metal-Clad Switchgear12kv Vs1 Indoor High-Voltage Vacuum Circuit Breaker with Embedded Pole12kv 630A Vmd Hv Electric Vacuum Breaker