Product information
Overview
Key Features
- Motor protection and control: Has intrinsic device protection, motor overload protection, evaluation of thermistor motor protection, external reset, and adjustable current limitation.
- 400 V ratings: At 400 V and 40 °C, rated current is 29 A with 15 kW in the standard circuit, or 50 A with 22 kW in the inside-delta circuit.
- Control supply: Uses an AC control supply at 230 V and 50 Hz or 60 Hz, with a Display version for fault signals.
- Connection and contacts: Has a 3-pole main current circuit, box terminals for the main current circuit, spring-loaded terminals for auxiliary and control circuits, 3 NO contacts, and 1 CO contact.
- Installation and protection: Uses screw fixing, has IP20 protection on the front, and measures 170 mm wide, 192 mm high, and 270 mm deep.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated current at 400 V, 40 °C, standard circuit | 29 A |
| Power at 400 V, 40 °C, standard circuit | 15 kW |
| Rated current at 400 V, 40 °C, inside-delta circuit | 50 A |
| Power at 400 V, 40 °C, inside-delta circuit | 22 kW |
| Operating voltage | 200 … 460 V |
| Control supply | 230 V AC, 50 Hz or 60 Hz |
| Main current circuit connection | Box terminal |
| Auxiliary and control circuit connection | Spring-loaded terminals |
| Mounting | Screw fixing |
| Front protection | IP20 |
| Product lifecycle | Start of final year of support |
Frequently Asked Questions
What is the rated current of the 3RW4422-3BC44 at 400 V?
At 40 °C, it has a rated current of 29 A in the standard circuit and 50 A in the inside-delta circuit.
What motor power is supported at 400 V?
At 40 °C, the value is 15 kW in the standard circuit and 22 kW in the inside-delta circuit.
What control supply does this soft starter use?
The control supply is 230 V AC at 50 Hz or 60 Hz.
How is the 3RW4422-3BC44 mounted and connected?
It uses screw fixing, a box terminal for the main current circuit, and spring-loaded terminals for auxiliary and control circuits.
What is the product lifecycle status?
It is a phased-out product and is at the start of its final year of support. The preferred successor type is 3RW5516-3HA14.
