Siemens 3RW4056-6BB34 Soft Starter

SKU: 3RW4056-6BB34
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SIMATIC & SINAMICS  |  SIRIUS / SIVACON Low-Voltage Control

3RW4056-6BB34

3RW4056-6BB34 — Siemens low-voltage control official specifications

Contactor / relay IEC 60947 DIN rail UL/CSA

Key Ratings at a Glance

Type
LV control device
Category
AC-3 motor duty
Standards
IEC 60947
Mounting
DIN rail
Coil
24 V DC / 230 V AC
Auxiliary
1 NO / 1 NC
Approvals
UL / CSA / CCC
Origin
surplus

Type Designation Breakdown

3RW4056-6BB34

3RW4SIRIUS / SIVACON LV family
056-Rated current / size
BB34Coil voltage / version

Electrical — Input & Output

Power / Supply
Operating voltage 24 V DC / 230 V AC (coil, model-specific)
Rated operational voltage ≤ 690 V AC (contacts)
Output / Load
Rated operational current Model-specific (e.g. 9…38 A AC-3)
Contact configuration 1 NO + 1 NC (model-specific)

Features & I/O

Function Contactor / motor starter / soft starter / circuit breaker / safety relay
Mounting DIN rail or screw mounting
Standard IEC 60947-4-1 / 60947-5-1, UL/CSA

Mechanical & Mounting

Mounting DIN rail TS35
Ambient temperature −25…+60 °C

Environmental Conditions

Operating temperature −10 … +60 °C (model-specific derating above 40 °C)
Storage / transport −40 … +70 °C
Relative humidity Max. 95 %, non-condensing
Altitude Up to 2000 m a.s.l. (derating above 1000 m)

Compliance, Approvals & Standards

Product approvals CE, UKCA, UL/ULc, RoHS
EMC EN 61000-6-x / EN 55011 (industrial environment)
Safety standard IEC/EN 61131 / 61800 / 60947 (product-specific)
3RW4056-6BB34 · product data · Technical reference listing

Model Specifications

rated_current_40C 162 A (145 A at 50 C)
rated_power_400V 90 kW
rated_power_230V 45 kW
operating_voltage 200...460 V AC
control_voltage 115 V AC
frame_size S6
dimensions_WxHxD 120 x 198 x 250 mm
features Integrated bypass, thyristors, intrinsic device protection, motor overload protection, current limiting
aux_contacts 2 NO + 1 CO
connection_main Busbar
ip_rating IP00 (IP20 with cover)
ambient_temp -25 to +60 C
insulation_voltage 600 V

Source: datasheet / product page

Frequently Asked Questions

Q: What is the warranty for 3RW4056-6BB34?

Warranty: 12-month seller warranty provided by SHLY-PLC. See our Return Policy for coverage and claims.

Q: How fast can you ship 3RW4056-6BB34?

A: Orders are processed within 2-4 business days after payment confirmation. Standard delivery 5–8 business days worldwide; express available (2–4 business days).

Q: How is the part sourced and what is its condition?

A: Sold by SHLY-PLC, an independent distributor. New surplus stock; condition and compatibility confirmed on request.

Standard International (tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders of $500 or less; free on orders over $500.

Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.

Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Remote-area and overweight surcharges, where applicable, are shown before checkout.

Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use. Manufacturer or factory warranty service is not applicable, and extended warranty packages are not provided.

This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.

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