MH4 Arrester (264 kV Rated, 7081 mm Creep , AA Hardware)
Brand: OHIO BRASS
Catalog ID: MH4300GM264AA
IEC Station High / High Quality Porcelain Housed Hollow Core Surge Arrester
- IEC porcelain Station High class arrester
- IEEE 693 High Performance Qualification
- High quality MOV discs made in Wadsworth, Ohio since 1978
- Arresters assembled in Aiken, South Carolina
- 100% routine tested
General
Application
Substation
Catalog Number
MH4300GM264AA
Color
Gray Housing
Material
Porcelain Housing
Mounting Position
Upright
Type
Station
Dimensions
Bolt Circle Diameter
254 mm
Depth
25 in
Diameter - Single Bolt Hole(s)
14 mm
Height
141 in
Minimum Mounting Spacing on Center (Sea Level) - Phase to
60.4 in (1534 mm)
Minimum Mounting Spacing on Center (Sea Level)- Phase to Phase
68.9 in (1751 mm)
Width
25 in
Electrical Ratings
Creep and Leakage Distance
278.8 in (7081 mm)
Duty Cycle
264 kV
Frequency Rating
48-62 Hz
Maximum Discharge Voltage
- 546 kV @ 1.5 kA
- 567 kV @ 3 kA
- 587 kV @ 5 kA
- 616 kV @ 10 kA
- 660 kV @ 20 kA
- 726 kV @ 40 kA
Maximum Switching Surge Protective Level @ 1000A
527 kV
Maximum Switching Surge Protective Level @ 2000A
546 kV
Maximum Switching Surge Protective Level @ 500A
512 kV
MCOV
211.2 kV
Minimum Strike
2039 mm
Pressure Relief Capability-Symmetrical rms (kA)
63
Voltage - Line
300 kV
Withstand Voltage - 60 Hz Wet
639 kV
Withstand Voltage - Lightning Impulse
1112 kV
Withstand Voltage - Switching Impulse
1000 kV
Conductor Related
Conductor Type
Cu/Al (AWG #4 - 500 MCM)
Certifications And Compliance
Industry Standard(s)
IEC
Configuration
Mounting Position
Upright