steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 weeks ago
Full 12-month warranty
Available for dispatch immediately
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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.
All orders are subject to product availability. See our T&Cs.
Ask our team
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.
| Specification | Description |
|---|---|
| Part Number | 3RW4028-1BB14 |
| Alternative Part Number | 3RW40281BB14 |
| Manufacturer | Siemens |
| Category | Soft Starts |
| Integrated Bypass Contact System | Yes |
| Thyristors | Yes |
| Device Self-Protection | Yes |
| Motor Overload Protection | Yes |
| Thermistor Motor Protection Evaluation | No |
| External Reset | Yes |
| Adjustable Current Limitation | Yes |
| Internal Delta Connection (Root 3) | No |
| Output for Motor Brake Component | No |
| Material Reference Number (EN 61346-2) | Q |
| Material Reference Number (DIN 40719 and extended according to IEC 204-2 / IEC 750) | G |
| Product Designation | Soft starter for standard applications |
| Operating Current | 38 A |
| Power Rating | 18.5 kW/400 V |
| Operating Temperature | 40 °C |
| Operating Voltage | 200-480 V AC, 110-230 V AC/DC |
| Connection Type | Screw terminals |
The Siemens 3RW4028-1BB14 falls under the category of Soft Starts.
The Siemens 3RW4028-1BB14 Soft Start features an integrated bypass contact system and thyristors. It also has electronic self-protection and motor overload protection. It allows for an external reset and adjustable current limitation.
The Siemens 3RW4028-1BB14 can operate in an ambient temperature range of -25 to 60 degrees Celsius.
The Siemens 3RW4028-1BB14 can be stored in a temperature range of -40 to 80 degrees Celsius.
The Siemens 3RW4028-1BB14 has a protection class of IP20.
The derating temperature for the Siemens 3RW4028-1BB14 is 40 degrees Celsius.
For auxiliary contacts, the Siemens 3RW4028-1BB14 can connect to a solid conductor cross section of 2x (0.5 ... 2.5 mm2) and a finely stranded conductor with wire end processing of 2x (0.5 ... 1.5 mm2). For AWG conductors, it can connect to 2x (20 ... 14) for solid conductors and 2x (20 ... 16) for finely stranded conductors with wire end processing.
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.
All parts new or reconditioned are covered by EU Automation 12 month warranty
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