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ABB ca4-04n front mounted 4nc instantaneous aux contact block
ABB CA4-04N front-mounted auxiliary contact block with 4 NC instantaneous contacts, screw terminals and compatibility with ABB NF contactor relays.
£15.14
Why Choose the ABB CA4-04N Auxiliary Contact Block?
The ABB CA4-04N (1SBN010140R1204) is a compact front-mounted auxiliary contact block designed to expand the control functionality of ABB NF and NFZ series contactors. It provides additional auxiliary contacts for industrial motor control, signalling, interlocking and automation systems while maintaining a compact panel layout.
Manufactured to ABB's high engineering standards, the CA4-04N delivers dependable switching performance in demanding industrial environments. Its front-mounted design enables fast installation, while screw terminal connections provide secure and reliable wiring for control circuits.
With a 0 NO + 4 NC instantaneous contact configuration, the CA4-04N is ideal for machine builders, panel manufacturers and maintenance engineers requiring additional normally closed contacts for monitoring, safety interlocking and PLC control circuits.
Key Advantages
- Front-mounted auxiliary contact block for ABB NF and NFZ contactors.
- 0 normally open (NO) and 4 normally closed (NC) instantaneous contacts.
- Compact design helps maximise available control panel space.
- Screw terminal connections provide secure industrial wiring.
- Quick and simple front mounting installation.
- Suitable for signalling, monitoring and interlocking applications.
Key Features
- ABB CA4-04N Auxiliary Contact Block.
- Manufacturer part number: 1SBN010140R1204.
- Front-mounted accessory.
- 0 NO + 4 NC instantaneous contacts.
- Screw terminal connections.
- Compatible with ABB NF40 and NFZ40 contactors.
- Rated operational voltage up to 690 V AC.
- Manufactured to IEC/EN 60947-5-1 standards.
Reliable Auxiliary Contacts for Industrial Automation
Auxiliary contact blocks provide additional switching contacts for monitoring, control and safety circuits within industrial electrical installations. The ABB CA4-04N integrates directly with compatible ABB contactors, offering reliable performance while simplifying control panel design.
Its durable construction makes it suitable for OEM machinery, industrial automation systems, motor control panels and manufacturing equipment where dependable auxiliary switching is essential.
Typical Applications
- Industrial motor control panels.
- Machine building and OEM equipment.
- PLC monitoring and feedback circuits.
- Electrical control cabinets.
- Industrial automation systems.
- Safety interlocking and signalling circuits.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Current | 6 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 4-pole | |
| Device Type | Auxiliary contact block | |
| Series | CA4 | |
| Part number | 1SBN010140R1204 | |
| Product type | Auxiliary contact block | |
| Contact configuration | 4 NC | |
| Number of poles | 4P | |
| Mounting type | Front mounted | |
| Terminal type | Screw terminals | |
| Rated operational current | 6 A | |
| Rated operational voltage | 24 to 690 V AC / up to 600 V DC | |
| Rated insulation voltage | 690 V | |
| Impulse withstand voltage | 6 kV | |
| Conventional free-air thermal current | 16 A | |
| Mechanical durability | approx. 10 million operations | |
| Compatible contactors | ABB NF(C)(Z)(B)40E contactor relays | |
| Operating temperature | approx. -40 °C to +70 °C | |
| Protection rating | IP20 | |
| Standards | IEC/EN 60947-5-1, UL 60947-5-1, CSA C22.2 | |
| Dimensions (W × H × D) | approx. 43 × 43 × 39.5 mm | |
| Weight | approx. 0.055 kg |
Frequently Asked Questions
What is the ABB CA4-04N used for?
The CA4-04N adds four normally closed auxiliary contacts to compatible ABB NF and NFZ contactors for monitoring, signalling and interlocking applications.
What contact configuration does the CA4-04N provide?
It provides 0 normally open (NO) and 4 normally closed (NC) instantaneous auxiliary contacts.
Which ABB contactors is it compatible with?
The CA4-04N is designed for compatible ABB NF40 and NFZ40 contactors.
How is the auxiliary contact block installed?
It mounts directly onto the front of the compatible contactor, providing a quick and space-saving installation.
What type of terminals does it use?
The CA4-04N features screw terminal connections for secure and reliable industrial wiring.
Trusted by Industrial Control Professionals
ABB auxiliary contact blocks are trusted worldwide by electrical engineers, panel builders and OEM manufacturers for dependable switching performance, long service life and seamless integration into industrial motor control systems.
