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EMAS C4CK EMAS CM / CP CONTACT N/C BLOCK STOP FOR C BUTTON BOX
EMAS C4CK is a 1 NC contact block for C Series control boxes rated at 4 A at 250 V AC in the AC-15 utilisation category for industrial control applications.
£2.40
Why Choose the EMAS C4CK Normally Closed Contact Block?
The EMAS C4CK is a reliable normally closed (1 NC) contact block designed specifically for EMAS C Series control boxes. It provides the electrical switching element required behind compatible pushbuttons and control operators, making it suitable for industrial machinery, automation panels and operator control stations.
Designed for dependable industrial switching, the C4CK uses an AgNi contact material and is rated at 4 A at 250 V AC in the AC-15 utilisation category. Its robust construction provides a minimum mechanical life of 1,000,000 operations and a minimum electrical life of 100,000 operations.
The C4CK is intended for EMAS C Series control boxes and provides a single normally closed contact. With a rated insulation voltage of 300 V, impulse withstand voltage of 2.5 kV and an operating temperature range of -15 to +80 °C, it is engineered for reliable operation in demanding industrial control applications.
Key Advantages
- Compact 1 NC contact block for EMAS C Series control boxes.
- 4 A at 250 V AC rated operational current.
- AC-15 utilisation category for electromagnetic control loads.
- Minimum 1,000,000-operation mechanical life for dependable industrial use.
- Minimum 100,000-operation electrical life.
- Durable AgNi contact material for reliable electrical switching.
Key Features
- EMAS C Series control box contact block.
- 1 normally closed (1 NC) contact configuration.
- 4 A rated operational current at 250 V AC.
- 300 V rated insulation voltage.
- 2.5 kV impulse withstand voltage.
- AgNi contact material.
- Suitable for 1.5–2.5 mm² cable.
- Wide -15 to +80 °C operating temperature range.
Reliable Switching for Industrial Control Systems
Normally closed contact blocks such as the EMAS C4CK provide an electrical contact that remains closed in its normal state and opens when the associated control operator is actuated. This makes the contact block suitable for stop functions and other industrial control circuits requiring normally closed switching.
The C4CK is designed specifically for EMAS C Series control boxes. Its high mechanical endurance, AgNi contacts and industrial electrical ratings make it a dependable component for machinery controls, automation equipment and operator stations.
Typical Applications
- EMAS C Series control boxes.
- Industrial pushbutton control stations.
- Machine stop control circuits.
- Industrial automation equipment.
- Production and processing machinery.
- Operator control and machine interface systems.
Technical Specifications
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| Contacts | 1NC | |
|---|---|---|
| Device Type | Control Station / Enclosure | |
| Product Series | Emas C Series | |
| Illumination | Illuminated | |
| Manufacturer | EMAS | |
| Series | C Series | |
| Model | C4CK | |
| Product type | Contact block for control boxes | |
| Contact configuration | 1 NC | |
| Rated operational current | 4 A at 250 V AC | |
| Utilisation category | AC-15 | |
| Rated insulation voltage | 300 V | |
| Impulse withstand voltage | 2.5 kV | |
| Dielectric strength, body-contact | 2,500 V AC | |
| Dielectric strength, contact-contact | 1,500 V AC | |
| Insulation resistance | 10 MΩ at 500 V DC | |
| Contact material | AgNi | |
| Cable section | 1.5–2.5 mm² | |
| Screw torque | 1.5 Nm | |
| Mechanical life | Minimum 1,000,000 operations | |
| Electrical life | Minimum 100,000 operations | |
| Mechanical operating frequency | 3,000 operations/hour | |
| Electrical operating frequency | 1,200 operations/hour | |
| Operating temperature | -15 to +80 °C | |
| Pollution degree | 3 | |
| Short-circuit breaking capacity | 1 kA |
Frequently Asked Questions
What is the EMAS C4CK used for?
The C4CK is a normally closed contact block designed for use with EMAS C Series control boxes in industrial control and automation applications.
What contact configuration does the C4CK have?
The EMAS C4CK provides one normally closed (1 NC) contact.
What is the current rating of the EMAS C4CK?
The C4CK has a rated operational current of 4 A at 250 V AC in the AC-15 utilisation category.
What is the mechanical life of the C4CK?
The EMAS C4CK is rated for a minimum mechanical life of 1,000,000 operations.
Which EMAS products is the C4CK designed for?
The C4CK is specifically designed as a 1 NC contact block for EMAS C Series control boxes.
Trusted for Industrial Control Applications
EMAS industrial control components provide dependable switching solutions for machinery, automation systems and operator control stations, with the C4CK offering a durable normally closed contact for compatible C Series control boxes.
