Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| Product lifecycle | Active Product |
| Size of engine control device | S0 |
| Operational current at 40 °C | 32 A |
| Power at 500 V | 18.5 kW |
| Operating voltage at standard circuit | 400 … 600 V |
| Control supply voltage | 24 V AC/DC |
| Type of voltage of the control supply voltage | AC/DC |
| Integrated bypass contact system | Yes |
| Motor overload protection | Yes |
| Fastening method | screw and snap-on mounting |
| Protection class IP on the front according to IEC 60529 | IP20 |
Applications
Soft starting for a motor circuit with adjustable current limitation.
Protection of a motor against overload.
Key Features
Soft starter with product lifecycle: Active Product.
At 40 °C rated value: 32 A.
At 500 V, standard circuit, 40 °C rated value: 18.5 kW.
Type of voltage of the control supply voltage: AC/DC. Control supply voltage 1 at AC rated value: 24 V. Control supply voltage 1 at DC rated value: 24 V.
Type of electrical connection for main current circuit: screw-type terminals. Type of electrical connection for auxiliary and control circuit: screw-type terminals.
Integrated bypass contact system: Yes. Thyristors: Yes. Intrinsic device protection: Yes. Motor overload protection: Yes.
Frequently Asked Questions
What is Siemens 3RW4027-1BB05?
It is a SIRIUS soft starter, size S0, with product lifecycle Active Product.
What are the main electrical ratings of 3RW4027-1BB05?
Operational current at 40 °C is 32 A, and the power rating at 500 V is 18.5 kW.
What control supply does 3RW4027-1BB05 use?
The control supply voltage is 24 V AC/DC.
What connection type does 3RW4027-1BB05 use?
The main current circuit and the auxiliary and control circuit use screw-type terminals.
What are the dimensions of Siemens 3RW4027-1BB05?
Width is 45 mm, height is 125 mm, and depth is 155 mm.
