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A9C21833
Schneider A9C21833 available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
Schneider A9C21833 is an Acti9 iCT modular contactor designed for remote and manual control of electrical loads in residential and small commercial installations. This 3-pole contactor features a 3 NO contact configuration and is suited to motor, heating and lighting applications. It is rated at 25 A for AC-7A duty and 8.5 A for AC-7B duty, with a 400 V AC rated operational voltage and a 220–240 V AC 50 Hz control circuit.
Built for DIN rail mounting, the A9C21833 has a compact 36 mm width, white housing and action indicator for clear local status visibility. Its maintained control signal, 34 VA inrush power and 4.6 VA hold-in power consumption support dependable switching performance in distribution boards and control panels. The unit offers IP20 protection, 4 kV impulse withstand voltage and compliance with IEC/EN 61095, making it a practical choice for automated switching of standard building electrical circuits.
Built for DIN rail mounting, the A9C21833 has a compact 36 mm width, white housing and action indicator for clear local status visibility. Its maintained control signal, 34 VA inrush power and 4.6 VA hold-in power consumption support dependable switching performance in distribution boards and control panels. The unit offers IP20 protection, 4 kV impulse withstand voltage and compliance with IEC/EN 61095, making it a practical choice for automated switching of standard building electrical circuits.
| Specification | Description |
|---|---|
| Manufacturer | Schneider Electric |
| Part Number | A9C21833 |
| Product Range | Acti 9 |
| Product Name | Acti 9 iCT |
| Product Type | Modular contactor |
| Device Short Name | iCT |
| Application | Designed for switching motor, heating and lighting circuits |
| Number of Poles | 3 pole |
| Pole Contact Composition | 3 normally open contacts |
| Rated Operational Current | 25 A at AC-7A; 8.5 A at AC-7B |
| Network Type | AC |
| Control Type | Remote and manual control |
| Control Circuit Voltage | 220 to 240 V AC, 50 Hz |
| Rated Operational Voltage | 400 V AC, 50 Hz |
| Network Frequency | 50 Hz |
| Maximum Power | 1.6 W at 400 V AC |
| Rated Insulation Voltage | 500 V AC, 50/60 Hz |
| Rated Impulse Withstand Voltage | 4 kV |
| Control Signal Type | Maintained |
| Switching Frequency | 100 switching operations per day |
| Local Indication | Action indicator |
| Hold-In Power Consumption | 4.6 VA |
| Inrush Power | 34 VA |
| Mounting Method | Clip-on mounting |
| Mounting Support | 35 mm symmetrical DIN rail |
| Modular Width | 4 x 9 mm pitches |
| Height | 81 mm |
| Width | 36 mm |
| Depth | 60 mm |
| Colour | White |
| Mechanical Durability | 1,000,000 cycles |
| Electrical Durability | 100,000 cycles at IEC/EN 61095 AC-7A; 30,000 cycles at IEC/EN 61095 AC-7B, AC-7C and EN/IEC 60947-4-1 AC-3, AC-5A and AC-5B |
| Terminal Type | Tunnel type terminals |
| Power Circuit Connections | 1 x 1 to 4 mm² flexible cable or 1 x 1.5 to 6 mm² rigid cable |
| Control Circuit Connections | 1 x 1.5 to 2.5 mm² rigid cable, 2 x 1.5 mm² rigid cables, or 2 x 1.5 to 2.5 mm² flexible cables |
| Tightening Torque | 0.8 N.m for control and power circuits |
| Compatible Accessories | IACTs, IATEt, IACTp and IACTc |
| Compatibility Code | iCT |
| Market Segment | Residential and small commercial installations |
| Standard | IEC/EN 61095 |
| Noise Level | 30 dB |
| Heat Dissipation | 1.6 W at 50/60 Hz |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Relative Humidity | 95% at 55 °C |
| Operating Altitude | Up to 2000 m |
| Operating Temperature | -5 to 60 °C |
| Storage Temperature | -40 to 70 °C |
| Sustainable Offer Status | Green Premium product |
| Mercury Free | Yes |
What type of electrical component is this?
This is a modular contactor from the Acti9 iCT range, designed for switching AC electrical loads such as motors, heating circuits and lighting systems.
How many poles does this contactor have?
It is a 3-pole contactor with 3 normally open contacts, often described as 3P 3NO.
What is the rated operational current?
The rated operational current is 25 A for AC-7A applications and 8.5 A for AC-7B applications.
What control voltage does this contactor use?
The control circuit voltage is 220 to 240 V AC at 50 Hz.
What is the rated operational voltage?
The rated operational voltage is 400 V AC at 50 Hz.
Can it be operated manually as well as remotely?
Yes. A9C21833 is designed for both remote and manual control, with a maintained control signal type.
What applications is this contactor typically used for?
It is typically used for switching motor, heating and lighting loads in residential and small commercial electrical installations.
How is this contactor mounted?
It is a clip-on device for mounting on a 35 mm symmetrical DIN rail.
How wide is the device in a distribution board?
The device is 36 mm wide, equal to four 9 mm pitches.
What are the physical dimensions?
The contactor measures 81 mm high, 36 mm wide and 60 mm deep.
What is the maximum power rating?
The maximum power is 1.6 W at 400 V AC.
What are the coil consumption values?
The hold-in power consumption is 4.6 VA, and the inrush power is 34 VA.
What electrical standards does it conform to?
The contactor conforms to IEC/EN 61095, with performance ratings also referenced under IEC/EN 60947-4-1 for several utilisation categories.
What is the impulse withstand voltage?
The rated impulse withstand voltage is 4 kV.
What is the insulation voltage rating?
The rated insulation voltage is 500 V AC at 50/60 Hz.
What terminal types are used?
The device uses tunnel type terminals for both the control circuit and power circuit connections.
What cable sizes can be connected to the power circuit?
The power circuit terminals accept one flexible cable from 1 to 4 mm² or one rigid cable from 1.5 to 6 mm².
What cable sizes can be connected to the control circuit?
The control circuit terminals accept either two 1.5 mm² rigid cables, one 1.5 to 2.5 mm² rigid cable, or two 1.5 to 2.5 mm² flexible cables.
What tightening torque should be used on the terminals?
The specified tightening torque is 0.8 N.m for both the control circuit and power circuit terminals.
What is the operating temperature range?
The ambient air temperature range for operation is -5 °C to 60 °C.
What is the storage temperature range?
The storage temperature range is -40 °C to 70 °C.
What is the IP rating?
The contactor has an IP20 degree of protection.
What is the typical noise level?
The listed noise level is 30 dB.
What is the mechanical durability rating?
The mechanical durability is rated at 1,000,000 cycles.
What is the electrical durability rating?
Electrical durability depends on the utilisation category, with ratings including 100,000 cycles for AC-7A at 25 A and 30,000 cycles for AC-7B at 8.5 A.
- Controlling three-phase lighting circuits in residential and small commercial distribution boards
- Switching electric heating loads through a DIN rail-mounted control panel
- Remote operation of motor loads using a 220–240 V AC control circuit
- Manual and remote control of building electrical circuits from a central enclosure
- Integration into Acti9 modular panel assemblies for load switching
- Use in automation panels where 3 normally open contacts are required
- Switching resistive and inductive loads rated up to 25 A AC-7A
- Managing scheduled lighting or heating circuits when paired with timers or control relays
- Controlling ventilation, pumps, or small motor circuits within suitable current ratings
- Providing compact contactor switching in 35 mm DIN rail electrical installations
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
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Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
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Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
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6 months ago
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