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CKSF03 Ilme Female insert 3 pole and earth 10 amp spring Size 21.21
ILME CKSF03 is a size 21.21 female industrial connector insert with 3 poles plus protective earth, a 10 A 400 V rating and spring terminals for 0.14–2.50 mm² conductors.
£3.83
Why Choose the ILME CKSF03 Female Insert?
The ILME CKSF03 is a compact and reliable female industrial connector insert designed for detachable electrical connections in machinery, automation and control equipment. Part of the ILME CKS series, this size 21.21 insert provides 3 poles plus protective earth (3P+PE) and uses spring terminal technology for fast, secure conductor termination.
Rated at 10 A and 400 V, the CKSF03 provides dependable electrical performance for industrial power and control circuits. Its turned silver-plated copper-alloy contacts offer reliable conductivity, while the polycarbonate insulating body provides robust electrical insulation and achieves a UL 94 V-0 flammability rating.
The spring terminals accommodate conductors from 0.14–2.50 mm² (AWG 26–14) with a recommended stripping length of 9–11 mm. With a rated impulse withstand voltage of 4 kV, pollution degree 3 and an operating temperature range of -40 °C to +125 °C, the CKSF03 is well suited to compact industrial connector assemblies requiring reliable and efficient field wiring.
Key Advantages
- Compact 3 poles + PE female industrial connector insert.
- 10 A rated current for industrial power and control applications.
- 400 V rated voltage for industrial electrical systems.
- Spring terminal connection enables efficient and secure conductor termination.
- Accepts conductors from 0.14–2.50 mm² (AWG 26–14).
- Turned silver-plated copper-alloy contacts provide dependable electrical connectivity.
Key Features
- ILME CKS series female connector insert.
- 3 poles + protective earth (3P+PE).
- 10 A rated current.
- 400 V rated voltage.
- 4 kV rated impulse withstand voltage.
- Pollution degree 3.
- Size 21.21 compact connector format.
- Spring terminals for 0.14–2.50 mm² / AWG 26–14 conductors.
Reliable Spring-Terminal Connections for Industrial Machinery
Industrial connector inserts such as the ILME CKSF03 provide a removable electrical interface between machinery, control panels and external equipment. The three electrical contacts plus dedicated protective-earth connection allow multiple conductors to be connected through one compact rectangular connector assembly, simplifying installation, servicing and equipment replacement.
The CKSF03 uses spring terminal technology to provide secure conductor retention across a broad range of wire sizes. When installed in a compatible ILME size 21.21 hood or housing, the insert forms part of a robust industrial connector system suitable for machine building, factory automation and industrial power and control applications.
Typical Applications
- Industrial machinery and factory automation systems.
- Motor, actuator and equipment connections.
- Control panels and electrical cabinets.
- Machine tools and production equipment.
- Conveyor and material handling systems.
- OEM machinery requiring detachable power or control connections.
Technical Specifications
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| Connection | Spring / axial screw | |
|---|---|---|
| Device Type | Insert / Module | |
| Frame Size | 21.21 | |
| Housing Material | Thermoplastic | |
| Product Series | ILME C-Type | |
| Contacts | 3 poles | |
| Contact Gender | Female | |
| Poles | 3-pole | |
| IP Rating | IP20, IP44, IP66, IP67, IP68, IP69 | |
| Manufacturer | ILME | |
| Series | CKS | |
| Model | CKSF03 | |
| Alternative part number | CKSF 03 | |
| Product type | Industrial connector insert | |
| Gender | Female | |
| Number of poles | 3 poles + PE | |
| Connection type | Spring terminal connection | |
| Rated current | 10 A | |
| Rated voltage | 400 V | |
| Rated voltage according to UL/CSA | 600 V | |
| Rated impulse withstand voltage | 4 kV | |
| Pollution degree | 3 | |
| Size | 21.21 | |
| Wire cross-section | 0.14–2.50 mm² | |
| AWG size | 26–14 | |
| Conductor stripping length | 9–11 mm | |
| Contact type | Turned silver-plated | |
| Contact material | Copper alloy | |
| Main material | Polycarbonate (PC) | |
| Colour | RAL 7032 grey | |
| Protection rating | IP20 without enclosure; IP44 / IP66 / IP67 / IP68 / IP69 with suitable enclosure | |
| Mechanical life | ≥ 500 mating cycles | |
| Insulation resistance | ≥ 10 GΩ | |
| Contact resistance | ≤ 3 mΩ | |
| Operating temperature | -40 °C to +125 °C | |
| Flammability rating | UL 94 V-0 | |
| Weight | 15 g | |
| Reference standard | EN 61984:2009-06 | |
| Certifications | CSA, CQC, DNV, BV, EAC | |
| UL category | ECBT2 | |
| EAN | 8015747164399 |
Frequently Asked Questions
What is the ILME CKSF03 used for?
The CKSF03 is a female industrial connector insert used to provide detachable power and control connections in machinery, automation equipment and industrial electrical installations.
How many poles does the ILME CKSF03 have?
The CKSF03 provides 3 poles plus a protective earth (3P+PE) connection in the compact ILME size 21.21 format.
What are the electrical ratings of the CKSF03?
The ILME CKSF03 has a rated current of 10 A, a rated voltage of 400 V and a rated impulse withstand voltage of 4 kV.
What wire sizes can be connected to the CKSF03?
The spring terminals accept conductors with cross-sectional areas from 0.14–2.50 mm², corresponding to AWG 26–14.
What type of terminals does the ILME CKSF03 use?
The CKSF03 uses spring terminal connections, providing secure conductor retention and efficient wiring for industrial connector assemblies.
Trusted for Industrial Connectivity
ILME CKS series connector inserts provide compact and dependable multipole electrical connections for industrial machinery, automation equipment and control systems, combining spring terminal technology with robust construction and reliable electrical performance.
