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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3KE4230-0AA |
| Alternative Part Number | 3KE42300AA |
| Manufacturer | Siemens |
| Product Type | Switch Disconnector |
| Number of Poles | 3 |
| Continuous Current / Rated Value | 250 A |
| Operating Voltage | Up to 690V AC, 440V DC |
| Insulation Voltage / Rated Value | 1,000 V |
| Impulse Voltage Resistance | Rated at 8,000 V |
| Protection Class IP | IP00 |
| Design | Manual operating mechanism, fixed mounting, without handle |
| Acceptability for Application | Main switch, switch disconnector, emergency stop switch, safety cut-out switch, maintenance/repair switch |
| Mounting Type | Floor mounting |
| Width | 194 mm |
| Height | 200 mm |
| Depth | 155 mm |
| Ambient Operating Temperature | -20°C to +55°C |
| Storage Temperature | -50°C to +80°C |
| Conductor Cross-Section | Connectable up to 300 mm² for main contacts |
| Breaking Capacity | Short-circuit current (lcu) at 400 V rated at 50,000 A |
| Product Approvals | CE |
| Reference Code | According to DIN EN 61346-2 Q |
The Siemens 3KE4230-0AA is a robust switch disconnector designed to ensure a high level of safety and reliability for industrial power management. This three-pole switch is rated for a continuous current of 250A and can operate at voltages up to 690V AC/DC, making it suitable for a wide range of applications. Its manual operating mechanism is engineered for front rotary operation, although it does not come with a handle, allowing for customisation based on specific installation requirements.
Crafted with safety in mind, the 3KE4230-0AA is finger-safe and boasts an insulation voltage rated at 1,000V, with an impulse voltage resistance of 8,000V, providing additional protection against electrical shocks and surges. The switch disconnector is also versatile in its use, being acceptable for applications as a main switch, emergency stop switch, safety cut-out switch, and maintenance/repair switch.
The unit's dimensions are compact, with a width of 194mm, height of 200mm, and depth of 155mm, facilitating easy integration into various industrial settings. It is designed for fixed mounting, specifically floor mounting, ensuring a secure installation. The switch disconnector does not support motor drive or voltage trigger options, which simplifies its design and enhances its reliability.
With a protection class of IP00, the 3KE4230-0AA is intended for use in environments where it is not exposed to dust or water, allowing it to function optimally in controlled industrial conditions. It operates within an ambient temperature range of -20°C to +55°C, ensuring performance stability across diverse working environments.
The Siemens 3KE4230-0AA is a testament to Siemens' commitment to quality, offering a dependable solution for industrial power isolation that meets the rigorous demands of modern electrical infrastructure.
Commonly Asked Questions
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Frequently Asked Questions
What type of device is this?
This is a switch disconnector, specifically designed for safely disconnecting electrical circuits. It's a 3-pole device suitable for a variety of applications where a reliable means of circuit interruption is needed.
Can this switch disconnector be used as a main switch?
Yes, it is suitable for use as a main switch, as well as a switch disconnector, emergency stop switch, safety cut-out switch, and maintenance/repair switch.
What is the rated operational voltage for this switch disconnector?
The rated operational voltage for the 3KE4230-0AA is 690V for AC and 440V for DC.
What is the continuous current rating for this device?
The continuous current rating for this switch disconnector is 250A.
What are the dimensions of this switch disconnector?
The dimensions are 194mm in width, 200mm in height, and 155mm in depth.
Is there an option for motor drive or voltage trigger with this switch disconnector?
No, there are no options for motor drive or voltage trigger available for this model.
What is the insulation voltage rating for this device?
The insulation voltage rating is 1,000V.
What is the breaking capacity limit short-circuit current for this switch disconnector?
The breaking capacity limit short-circuit current at 400V is rated at 50,000A.
Can this device be mounted on a DIN rail?
No, this switch disconnector is not designed for DIN rail mounting. It is intended for fixed mounting, specifically floor mounting.
What is the protection class of this switch disconnector?
The protection class for this device is IP00.
What type of terminals does this switch disconnector have for the main circuit?
It has flat-type screw terminals suitable for connecting conductor cross-sections up to 300mm².
What ambient temperature range can this switch disconnector operate within?
It can operate within an ambient temperature range of -20°C to +55°C during operation, and can be stored in temperatures ranging from -50°C to +80°C.
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