Picture of LCN

SKU: 3390A

LCN 3390A Relay Package A

lcn 3390a relay package a

LCN

SKU: 3390A

LCN 3390A Relay Package A

In stock

LCN 3390A Relay Package A is a genuine LCN replacement relay assembly for pneumatic automatic operator control boxes.

The LCN 3390A Relay Package A is an electrical strike (ES) relay assembly designed for LCN 7900 Series pneumatic automatic operator control boxes. This relay package provides an isolated relay assembly that allows a standard LCN control box to be converted to ES operation. It is designed for the 7901 and 7981 Series control boxes, as well as the A circuit in 7902 and 7982 Series control boxes.

We are your trusted source for genuine OEM replacement parts, commercial door hardware, electronic access control products, and life safety hardware.

Manufacturer: LCN
Part Number: 3390A
Product Name: Relay Package A
Relay Type: Isolated SPDT relay
Relay Contacts: One set of Normally Open (N.O.) and Normally Closed (N.C.) contacts
Primary Function: Electrical strike (ES) relay assembly
Application: Conversion of compatible LCN pneumatic automatic operator control boxes to ES operation
OEM Part: Yes

Warranty

  • LCN mechanical door closers offer 15–30-year warranties, while electromechanical products generally carry two years.

Compatibility

  • LCN 7901 Series Control Box
  • LCN 7902 Series Control Box – A Circuit
  • LCN 7981 Series Control Box
  • LCN 7982 Series Control Box – A Circuit

Includes

  • 390 Relay
  • Relay Base
  • Connecting Wires
$863.00
$604.10
minus minus

Frequently Asked Questions

What is the LCN 3390A?
The LCN 3390A is a genuine Relay Package A, an electrical strike relay assembly for LCN pneumatic automatic operator control boxes.
What does the LCN 3390A relay package do?
It adds an isolated relay assembly to compatible standard LCN control boxes, allowing them to operate in ES configuration.
Can the LCN 3390A convert a standard control box to ES operation?
Yes. It can be added to compatible standard 7901, 7902, 7981, and 7982 Series control boxes to convert them to ES operation.
Does the LCN 3390A supply power to an electric strike?
No. The LCN control box cannot power the electric strike. A separate appropriate power source is required.
Is the LCN 3390A a complete automatic door operator?
No. It is a relay package accessory for compatible LCN pneumatic automatic operator control boxes.

Genuine LCN 3390A Relay Package A adds an isolated electric strike relay assembly to compatible 7900 Series pneumatic operator control boxes for ES operation.

Genuine LCN 3390A Relay Package A adds an isolated electric strike relay assembly to compatible 7900 Series pneumatic operator control boxes for ES operation.

Genuine LCN 3390A Relay Package A adds an isolated electric strike relay assembly to compatible 7900 Series pneumatic operator control boxes for ES operation.