CKF03N Ilme Female insert 3 pole and earth 10 amp screw

CKF03N Ilme Female insert 3 pole and earth 10 amp screw

Ilme CKF03N is a black size 21.21 female multipole connector insert with 3 poles plus protective earth, a 10 A 230–400 V rating and screw-terminal connections for industrial machinery and automation systems.

SKU: CKF03NAlt SKU: CKF 03 NMPN: CKF03N
Price
List Price £3.65 ex VAT
Your Price (ex VAT)
£3.65
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £3.65
Trade pricing is personalised to your account

Manufacturer Lead Time

£3.65

Why Choose the Ilme CKF03N Female Insert?

The Ilme CKF03N is a compact female multipole connector insert with 3 poles plus protective earth, designed for reliable electrical connections in industrial machinery, automation equipment and control systems. Part of the Ilme CK series, this black insert uses the compact size 21.21 format and combines dependable electrical performance with straightforward screw-terminal wiring.

Rated at 10 A and 230–400 V, the CKF03N provides three female contacts plus a dedicated protective earth connection. Its screw-terminal connection accepts conductors from 0.75–2.5 mm², allowing wiring to be terminated directly without separate crimp contacts or specialised crimping tools.

The CKF03N has a black RAL 9005 polycarbonate insulating body with copper-alloy contacts and is designed for compatible size 21.21 Ilme hoods and housings. With a rated impulse withstand voltage of 4 kV, pollution degree 3 and a mechanical durability of at least 500 mating cycles, it provides a compact and serviceable connection solution for demanding industrial equipment.

Key Advantages

  • Compact 3-pole plus protective earth female connector insert.
  • 10 A, 230–400 V rating for industrial electrical connections.
  • Screw-terminal connection enables straightforward field wiring.
  • Accepts conductor cross-sections from 0.75–2.5 mm².
  • Dedicated protective earth contact supports safe equipment grounding.
  • Compact size 21.21 format is ideal where installation space is limited.

Key Features

  • Ilme CK series female insert.
  • 3 poles + protective earth.
  • Female connection.
  • 10 A rated current.
  • 230–400 V rated voltage.
  • 4 kV rated impulse withstand voltage.
  • Screw-terminal termination.
  • 0.75–2.5 mm² conductor capacity.
  • Size 21.21 connector format.
  • Black RAL 9005 polycarbonate insulating body.
  • Copper-alloy contacts.
  • Designed for at least 500 mating cycles.

Reliable Screw-Terminal Connectivity for Industrial Equipment

Multipole inserts such as the Ilme CKF03N provide a compact detachable interface for power, control and auxiliary circuits in industrial equipment. The three working poles carry the required electrical circuits while the dedicated protective earth connection provides grounding within a correctly configured connector assembly.

The screw-terminal design enables conductors to be connected directly to the insert without separate crimp contacts, simplifying installation and maintenance. When installed in a compatible Ilme size 21.21 hood or housing and mated with the corresponding male insert, the CKF03N forms part of a robust modular connector system suitable for repeated connection and disconnection.

Typical Applications

  • Industrial machinery and machine-building equipment.
  • Factory automation and production systems.
  • Electrical control panels and enclosures.
  • Motors, actuators and auxiliary equipment.
  • Packaging and processing machinery.
  • OEM equipment requiring compact detachable electrical connections.

Technical Specifications

Tick the specs you need, then view products that match.

Connection Screw
Device Type Insert / Module
Frame Size 21.21
Housing Material Thermoplastic
Product Series ILME C-Type
Contacts 3 poles
Contact Gender Female
HS Code 85366990
Country of Manufacture Italy
Manufacturer Ilme
Series CK
Model CKF03N
Alternative reference CKF 03 N
Product type Female multipole connector insert
Connection type Female connection
Number of poles 3 poles + protective earth
Rated current 10 A
Rated voltage 230–400 V
Rated voltage according to UL/CSA 600 V
Rated impulse withstand voltage 4 kV
Pollution degree 3
Termination method Screw terminal
Conductor cross-section 0.75–2.5 mm²
Wire size AWG 18–14
Housing size 21.21
Insert mounting size 21 × 21 mm
Main material Polycarbonate (PC)
Contact material Copper alloy
Contact plating Silver plated
Colour RAL 9005 black
Mechanical durability ≥500 mating cycles
Reference standard EN 61984:2009-06
Certifications CSA, CQC, DNV, BV, EAC
RoHS conformity Compliant with exemption 6(c)
EAN-13 8015747027991
Poles 3-pole

Frequently Asked Questions

What is the Ilme CKF03N used for?

The CKF03N is a female 3-pole plus protective earth connector insert used for detachable power, control and auxiliary electrical connections in industrial machinery and automation equipment.

What are the electrical ratings of the Ilme CKF03N?

The CKF03N has a rated current of 10 A and a rated voltage of 230–400 V, with a 4 kV rated impulse withstand voltage.

How many poles does the CKF03N have?

The insert provides 3 working poles plus a dedicated protective earth connection.

How are wires connected to the CKF03N?

The CKF03N uses screw-terminal connections and accepts conductors from 0.75–2.5 mm², equivalent to approximately AWG 18–14.

What is the difference between the CKF03N and CKF03?

The CKF03N is the black RAL 9005 version of the CKF03 female insert, retaining the same 3-pole plus protective earth arrangement, screw-terminal connection and 10 A electrical rating.

Trusted by Industrial Automation Professionals

Ilme industrial multipole connectors are widely used by machine builders, panel manufacturers and automation engineers for robust, modular and serviceable power, control and signal connections in industrial equipment.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...