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
Product Type
MH4
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