1. Overview & Series Identification

️· Series: C&K NE-18 Series Mains/Power Switches
️· Function: Primarily used as power switches, controlling electrical circuits.
️· Website: www.ittcannon.com (likely a previous brand/owner; this link may be outdated)

2. Key Features & Options (Building Blocks for Ordering)

️· Contact Arrangements:
- DPST: Double Pole Single Throw (2A2)
- DPDT: Double Pole Double Throw (2U)
- Auxiliary Contacts: Can be added (2U). 'S' indicates Snap-in mounting, 'X' denotes solder lug/PC pins, 'W' solder lugs only, and 'P' PC pins only.
️· Mechanical Function:
- OA (Momentary): Spring return to original position when pressed.
- EE (Alternate / Push-Push): Switches between two positions with each press.
️· Contact Types:
- A = make contact
- R = break contact
- U = changeover contact
- 'm' = VDE sign for switches with air gap <3mm.
️· Electrical Circuit: Contact plating is silver on all power switches. Electrical function is Break Before Make (BBM). Terminals are epoxy sealed.
️· Mounting: Snap-in or PC pin/solder lug options available.
️· Button Colors: Black, White, Red, Lt. Gray, Black/Chrome (limited to specific button styles).
️· Single Station Chassis: Three chassis options: standard (.094 mounting holes), 4-40 tapped mounting holes, and special chassis (consult factory).
️· Approvals: VDE, BSI, DEMKO, NEMKO, SEMKO, SEV, CSA, UL

3. Ordering Information Breakdown (How to Specify the Switch)

To order a switch, you would typically need to specify the following:

️· Series: NE-18
️· Contact Arrangement: (e.g., 2A2, 2UX, etc.)
️· Mechanical Function: (OA or EE)
️· Mounting Type
️· Color: (e.g. Black, White, Red)
️· Chassis Option (01, 02, 03, or NONE)

Example Order Code:

Let's say you need a DPST (2A2) momentary switch with a black button, standard chassis, and solder lugs. The code might be something like: NE1838EE-XXXX (Specific suffix codes depend on the specific catalog).

4. Important Notes from the Documents:

️· Mounting Restrictions: PC pin mounting is not sufficient when using 2A mains contacts.
️· BSI Approval: Only for 2U mains contacts.
️· Catalog Specificity: Some details and suffixes will depend on the specific catalog/revision of this document.
️· Outdated website link.

Disclaimer: *This information is based solely on the provided documents. It's essential to consult the official C&K catalog and technical specifications for the most accurate and up-to-date details before ordering.*