LP-16 Quick-Lock Waterproof Circular Connectors
YOCL ELECTRIC LP-16 waterproof circular connectors offer 2–5 contacts with quick-lock cable and panel formats.
- 2/3 contacts: 10 A / 400 V; 4 contacts: 5 A / 400 V; 5 contacts: 5 A / 250 V.
- Screw clamp terminals; conductor section varies by contact count.
- Cable jacket options: Ø3–5, Ø5–7 or Ø7–9 mm.
- Male or female electrical contacts.
- Pushbutton snap lock; IP68 in the connected state.
Overview
YOCL ELECTRIC LP-16 Quick-Lock Waterproof Circular Connectors provide detachable electrical connections with 2, 3, 4 or 5 contacts. The pushbutton snap lock supports single-hand mating and release, while screw clamp terminals secure the conductors.
Two- and three-contact models are rated 10 A / 400 V; four-contact models are rated 5 A / 400 V, and five-contact models 5 A / 250 V. The series includes cable plugs, inline docking sockets, single-hole panel sockets and four-hole flange sockets with male or female contacts. IP68 protection applies in the connected state.
Features
- Four contact-count options: Select 2, 3, 4 or 5 contacts with the corresponding electrical rating.
- Pushbutton snap lock: Supports connection and release with one hand.
- Connected-state IP68 protection: Applies to the assembled, mated connection.
- Cable and panel formats: Choose inline cable connections or equipment-mounted sockets.
- Screw clamp termination: Provides a screw-operated conductor connection.
- Plated copper-alloy contacts: Gold plating over a nickel underplate is specified.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | YOCL ELECTRIC |
| Connector type | Quick-lock waterproof circular connector |
| Locking method | Pushbutton snap lock |
| Wire termination | Screw clamp |
| Contact gender | Male / female |
| Connector formats | Cable plug; inline docking socket; single-hole panel socket; four-hole flange socket |
| Ingress protection | IP68 in the connected state |
| Contact material | Copper alloy |
| Contact finish | Gold plating over nickel underplate |
| Insulator material | Engineering plastic |
| Series | LP-16 |
| Contact counts | 2 / 3 / 4 / 5 |
| Cable plug and inline docking socket housing | Engineering plastic / metal, depending on configuration |
| Panel socket housing | Metal |
| Metal housing finish | Chrome plating |
Electrical Specifications by Contact Count
| Contacts | Rated current | Rated voltage | Conductor section | Catalogue AWG entry |
|---|---|---|---|---|
| 2 | 10 A | 400 V | 1.0–1.5 mm² | 18–16 AWG |
| 3 | 10 A | 400 V | 1.0–1.5 mm² | 18–16 AWG |
| 4 | 5 A | 400 V | 1.0–1.5 mm² | 18–16 AWG |
| 5 | 5 A | 250 V | 0.34–0.5 mm² | 22–20 AWG |
Cable Outer Diameter Options
The listed cable jacket diameter options are Ø3.0–5.0 mm, Ø5.0–7.0 mm and Ø7.0–9.0 mm. These are series-level selections and are not assigned to individual contact counts.
Cable jacket diameter and conductor section are separate selection criteria. The AWG entries are retained as printed in the catalogue.
Dimension

| Dimension | Value |
|---|---|
| Cable plug length, REF | 54.0 mm |
| Inline docking socket length, REF | 55.2 mm |
| Single-hole panel socket mounting thread | M18 × 1.5 |
| Flange body horizontal width | 28.5 ± 0.3 mm |
| Flange body hole pitch | 20.0 ± 0.15 mm |
REF identifies reference lengths in the drawings. Flange dimensions describe the connector body; use the selected socket’s installation drawing for the panel cutout and its tolerances. The mounting thread is not a panel-cutout diameter.
Connector Formats
| Format | Arrangement |
|---|---|
| Cable plug | Cable-terminated mating connector |
| Inline docking socket | Cable-terminated socket for an inline connection |
| Single-hole panel socket | Equipment socket mounted through one panel opening |
| Four-hole flange socket | Equipment socket with a four-hole mounting flange |
Male and female entries describe the electrical contact gender. Select both the connector format and contact gender when specifying a mating pair.
Ordering Code Guide
The catalogue lists 32 LP-16 part numbers. Replace nn in the following patterns with 02, 03, 04 or 05 for the required contact count. nn is a placeholder, not an orderable part number.
| Format | Contact gender | LP-16 part-number pattern |
|---|---|---|
| Cable plug | Male | LP-16-CnnPE-11-001 |
| Cable plug | Female | LP-16-JnnPE-11-001 |
| Inline docking socket | Male | LP-16-CnnPP-11-001 |
| Inline docking socket | Female | LP-16-JnnPP-11-001 |
| Single-hole panel socket | Male | LP-16-CnnSX-11-101 |
| Single-hole panel socket | Female | LP-16-JnnSX-11-101 |
| Four-hole flange socket | Male | LP-16-CnnSX-11-401 |
| Four-hole flange socket | Female | LP-16-JnnSX-11-401 |
Examples of listed part numbers:
- LP-16-C02PE-11-001: Two-contact male cable plug.
- LP-16-J03PP-11-001: Three-contact female inline docking socket.
- LP-16-J05SX-11-101: Five-contact female single-hole panel socket.
- LP-16-C04SX-11-401: Four-contact male flange socket.
The panel patterns use SX, with 101 for single-hole sockets and 401 for flange sockets. The code identifies the contact count and format; include cable jacket diameter and the required housing configuration separately in the enquiry.
Selection Guide
- Select the contact count and its corresponding rated current, rated voltage and conductor section from the electrical table.
- Choose the cable or panel connector format and contact gender.
- Match cable jacket diameter independently to the listed series options.
- Specify the housing configuration for cable plugs and inline docking sockets; panel sockets are listed with metal housings.
- Use the selected socket’s installation drawing for panel layout. IP68 applies to the connected assembly.
Applications
- Detachable equipment power connections.
- Cable-to-cable electrical connections.
- Panel-mounted equipment connections.
- Multi-contact signal interfaces.
Ordering Information
Specify YOCL ELECTRIC, the complete LP-16 part number, contact count, connector format, contact gender, circuit requirements, conductor section, cable jacket diameter, housing configuration and quantity. For a mating pair, list both part numbers and quantities.



