Surge Absorbers

5 Marking of colour code：

Fast Delivery Time

Model

Colour

HA37-141N

Brown

HA37-181M

Gray

HA37-201M

Red

HA37-251M

Red

HA37-301M

Red

HA37-401M

yellow

HA37-471M

yellow

HA37-501M

Green

HA37-601M

Blue

HA37-102M

Black

6 Part Number System（型号构成）:

Example

HA37

— 301

—

M







No

Symbols Explain

HA37 series(Glass Tube Dimension :Diameter: φ2.0mm , Length: 4.0mm)

The symbol denoting nominal DC spark over voltage shall be expressed by three

numerals.The first and second numerals shall represent the significant figures of

nominal DC spark over voltage in volts(V),and the third numerals shall represent the

number of zeros ,following the significant figures. Example) 301——30×10¹=300

Voltage

Tolerances: L — ±15% ； M — ±20% ；N — ±30% ；

2

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