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Home > Products > Porcelain Insulator > Telephone Line Insulator > RM-1 Telegraph Line Insulators
RM-1 Telegraph Line Insulators
  • RM-1 Telegraph Line Insulators

RM-1 Telegraph Line Insulators

    Payment Type: L/C,T/T
    Incoterm: FOB,CFR,CIF
    Min. Order: 1000 Piece/Pieces
    Delivery Time: 30 Days

Basic Info

Model No.: RM-1

Certification: SGS, ISO9001

Application: High-voltage

Material: Porcelain

Structure: Pin Insulator

Type: B Type Insulator

Usage: High Voltage Power Transmission

Connection Method: Trough Type

Color: White

Additional Info

Packaging: Carton, Wooden case, Sack

Transportation: Ocean,Land

Place of Origin: China

HS Code: 85462090


Product Description

RM-1 Telegraph Line Insulators

Porcelain types of power line insulators are earliest developed overhead insulator, telegraph line insulators consists of a single piece of ceramic or two or more ceramic components permanently connected together and Telephone Line Insulator intended to be mounted rigidly on a supporting structure by an insulator pin/spindle.

Porcelain Power Line Insulators value

Type RM-1 RM-2 RM-3
Main Dimensions H 140 100 80
h 50 32 30
D 86 70 60
d 52 44 35
d1 22.5 18.5 16
R 12 8.5 7
R1 4 3.5 3
Insulation Resistance 50000 40000 20000
Leakage Distance 298 215 15
Net Weight, Each Approx., kg 1.1 0.5 0.5

Our Services

1. Small Orders Accepted
2. Fast producing time, Prompt Delivery
3. International Approvals
4. Reply promptly in 24 hours
5. Best Price


1. Q: How about payment terms?
A: 30% TT deposit + 70% TT before shipment,50% TT deposit + 50% LC balance, Flexible payment can be negotiated.
2. Q: Do you have some videos where we can see the line producing?
A: Yes, we can provide some videos for reference.
3. Q: Are you a Manufacture Factory?
A: Yes. We are the direct manufacture factory, and our factory has specialized in Porcelain Insulator,Composite Insulator,Glass Insulator,arrester, cold and heat shrinkable tube,Cut Out Fuse and Power Fitting ,etc.

4. Q: How long is producing time ?

A: Normally it will take about 30 days for production.

5. Q: What is the standard of package ?
A: For small capacity, we use carton, but for big capacity, we will use strong wooden case for protection or double inner packs in a master carton.
6. Q: How do you make sure your good quality ?

A: We use the best raw material , and every single product will go through a series of strict test.



process of making silicon insulatorporcelain insulator

We warmly welcome friends both domestic and abroad to visit our company, if you have any questions, please contact with us directly.

Looking for ideal Telegraph Line Insulators Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Types of Power Line Insulators are quality guaranteed. We are China Origin Factory of Porcelain Power Line Insulators Value. If you have any question, please feel free to contact us.

Product Categories : Porcelain Insulator > Telephone Line Insulator

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