Siemens

Siemens 3RW4026-2TB05

SIRIUS soft starter S0 25 A, 15 kW/500 V, 40 °C 400-600 V AC

MPN: 3RW4026-2TB05
Category: 3RW40 soft starters

Price and lead time confirmed within 1 business day

Request a Quote

1We check stock, condition and lead time
2You get a written quote by email
3Approve it and we ship — in-stock parts within 1 business day

12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
100% positive eBay feedback
Ships via

Have spare Siemens parts? We buy surplus →

What is the Siemens 3RW4026-2TB05?

SIRIUS soft starter S0 25 A, 15 kW/500 V, 40 °C 400-600 V AC, 24 V AC/DC spring-type terminals Thermistor motor protection

Specifications

General technical data

product brand name	SIRIUS
product designation	Soft starter
product feature — integrated bypass contact system	Yes
product feature — thyristors	Yes
product function — intrinsic device protection	Yes
product function — motor overload protection	Yes
product function — evaluation of thermistor motor protection	Yes
product function — external reset	Yes
product function — adjustable current limitation	Yes
product function — inside-delta circuit	No
product component motor brake output	No
insulation voltage rated value	600 V
degree of pollution	3, acc. to IEC 60947-4-2
blocking voltage of the thyristor maximum	1 600 V
reference code according to EN 61346-2	Q
reference code according to DIN 40719 extended according to IEC 204-2 according to IEC 750	G

Power Electronics

operational current — at 40 °C rated value	25 A
operational current — at 50 °C rated value	23 A
operational current — at 60 °C rated value	21 A
yielded mechanical performance for 3-phase motors — at 400 V — at standard circuit at 40 °C rated value	11 kW
yielded mechanical performance for 3-phase motors — at 500 V — at standard circuit at 40 °C rated value	15 kW
operating frequency rated value	50 ... 60 Hz
relative negative tolerance of the operating frequency	-10 %
relative positive tolerance of the operating frequency	10 %
operating voltage at standard circuit rated value	400 ... 600 V
relative negative tolerance of the operating voltage at standard circuit	-15 %
relative positive tolerance of the operating voltage at standard circuit	10 %
minimum load [%]	20 %
adjustable motor current for motor overload protection minimum rated value	10 A
continuous operating current [% of Ie] at 40 °C	115 %
power loss [W] at operational current at 40 °C during operation typical	8 W

Control circuit/ Control

type of voltage of the control supply voltage	AC/DC
control supply voltage frequency 1 rated value	50 Hz
control supply voltage frequency 2 rated value	60 Hz
relative negative tolerance of the control supply voltage frequency	-10 %
relative positive tolerance of the control supply voltage frequency	10 %
control supply voltage 1 at AC — at 50 Hz rated value	24 V
control supply voltage 1 at AC — at 60 Hz rated value	24 V
relative negative tolerance of the control supply voltage at AC at 50 Hz	-20 %
relative positive tolerance of the control supply voltage at AC at 50 Hz	20 %
relative negative tolerance of the control supply voltage at AC at 60 Hz	-20 %
relative positive tolerance of the control supply voltage at AC at 60 Hz	20 %
control supply voltage 1 at DC rated value	24 V
relative negative tolerance of the control supply voltage at DC	-20 %
relative positive tolerance of the control supply voltage at DC	20 %
display version for fault signal	red

Mechanical data

size of engine control device	S0
width	45 mm
height	150 mm
depth	155 mm
fastening method	screw and snap-on mounting
mounting position	With additional fan: With vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back Without additional fan: With vertical mounting surface +/-10° rotatable, with vertical mounting surface +/- 10° t
required spacing with side-by-side mounting — upwards	60 mm
required spacing with side-by-side mounting — at the side	15 mm
required spacing with side-by-side mounting — downwards	40 mm
wire length maximum	300 m
number of poles for main current circuit	3

Connections/ Terminals

type of electrical connection — for main current circuit	spring-loaded terminals
type of electrical connection — for auxiliary and control circuit	spring-loaded terminals
number of NC contacts for auxiliary contacts	0
number of NO contacts for auxiliary contacts	2
number of CO contacts for auxiliary contacts	1
type of connectable conductor cross-sections for main contacts for box terminal using the front clamping point — solid	2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), max. 1x 10 mm²
type of connectable conductor cross-sections for main contacts for box terminal using the front clamping point — finely stranded with core end processing	2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²)
type of connectable conductor cross-sections for AWG cables for main contacts for box terminal — using the front clamping point	1x 8, 2x (16 ... 10)
type of connectable conductor cross-sections for main contacts — solid	1 ... 10 mm²
type of connectable conductor cross-sections for main contacts — finely stranded with core end processing	1 ... 6 mm²
type of connectable conductor cross-sections for auxiliary contacts — solid	2x (0.25 ... 2.5 mm²)
type of connectable conductor cross-sections for auxiliary contacts — finely stranded with core end processing	2x (0.25 ... 1.5 mm²)
type of connectable conductor cross-sections for AWG cables — for main contacts	16 ... 10, 1x 8
type of connectable conductor cross-sections for AWG cables — for auxiliary contacts	2x (24 ... 14)

Ambient conditions

installation altitude at height above sea level	5 000 m
environmental category — during transport according to IEC 60721	2K2, 2C1, 2S1, 2M2 (max. fall height 0.3 m)
environmental category — during storage according to IEC 60721	1K6 (only occasional condensation), 1C2 (no salt mist), 1S2 (sand must not get inside the devices), 1M4
environmental category — during operation according to IEC 60721	3K6 (no formation of ice, no condensation), 3C3 (no salt mist), 3S2 (sand must not get into the devices), 3M6
ambient temperature — during operation	-25 ... +60 °C
ambient temperature — during storage	-40 ... +80 °C
derating temperature	40 °C
protection class IP on the front according to IEC 60529	IP20
touch protection on the front according to IEC 60529	finger-safe, for vertical contact from the front

UL/CSA ratings

yielded mechanical performance [hp] for 3-phase AC motor — at 460/480 V — at standard circuit at 50 °C rated value	15 hp
yielded mechanical performance [hp] for 3-phase AC motor — at 575/600 V — at standard circuit at 50 °C rated value	20 hp
contact rating of auxiliary contacts according to UL	B300 / R300

Approvals Certificates

global warming potential [CO2 eq] / during manufacturing	4.24 kg
global warming potential [CO2 eq] / during sales	0.207 kg
global warming potential [CO2 eq] / during operation	117 kg
global warming potential [CO2 eq] / after end of life	-0.229 kg
global warming potential [CO2 eq] / total	121 kg

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

Product data sheet 3RW4026-2TB05PDF

3RW4026-2TB05: frequently asked questions

When can 3RW4026-2TB05 be shipped?

3RW4026-2TB05 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 3RW4026-2TB05 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 3RW4026-2TB05 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 3RW4026-2TB05, subject to availability and destination.