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Siemens 3RT2526-2BW40

power contactor, AC-3, 25 A, 11 kW / 400 V, 4-pole, 48 V DC, main contacts: 2 NO + 2 NC, auxiliary contacts: 1 NO + 1 NC, spring-loaded terminal, size: S0

SiemensMFR # 3RT2526-2BW40SKU # CEY-8EF3B03935D8

product brand nameSIRIUS

product designationcontactor

product type designation3RT25

size of contactorS0

function module for communicationNo

auxiliary switchYes

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About This Product

power contactor, AC-3, 25 A, 11 kW / 400 V, 4-pole, 48 V DC, main contacts: 2 NO + 2 NC, auxiliary contacts: 1 NO + 1 NC, spring-loaded terminal, size: S0

Siemens 3RT2526-2BW40

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
Quotation and lead time tailored to your request

Specifications

product brand nameSIRIUS

product designationcontactor

product type designation3RT25

General technical data

size of contactorS0

function module for communicationNo

auxiliary switchYes

at AC in hot operating state per pole1.9 W

without load current share typical5.9 W

type of calculation of power loss current-dependentquadratic

of main circuit with degree of pollution 3 rated value690 V

of auxiliary circuit with degree of pollution 3 rated value690 V

of main circuit rated value6 kV

of auxiliary circuit rated value6 kV

maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1400 V

at DC10g / 5 ms, 7,5g / 10 ms

at DC15 g / 5 ms, 10 g / 10 ms

of contactor typical10 000 000

of the contactor with added electronically optimized auxiliary switch block typical5 000 000

of the contactor with added auxiliary switch block typical10 000 000

reference code according to IEC 81346-2Q

Substance Prohibitance (day/month/year)10/01/2009

Net Weight0.716 kg

Ambient conditions

installation altitude at height above sea level maximum2 000 m

during operation-25 ... +60 °C

during storage-55 ... +80 °C

relative humidity minimum10 %

relative humidity at 55 °C according to IEC 60068-2-30 maximum95 %

Main circuit

number of poles for main current circuit4

number of NO contacts for main contacts2

number of NC contacts for main contacts2

— at ambient temperature 40 °C rated value40 A

— at ambient temperature 60 °C rated value35 A

— per NO contact rated value25 A

— per NC contact rated value20 A

minimum cross-section in main circuit at maximum AC-1 rated value10 mm²

— at 24 V rated value35 A

— at 110 V rated value4.5 A

— at 220 V rated value1 A

— at 440 V rated value0.4 A

— at 24 V rated value35 A

— at 110 V rated value35 A

— at 220 V rated value5 A

— at 440 V rated value1 A

— at 24 V per NC contact rated value20 A

— at 24 V per NO contact rated value20 A

— at 110 V per NC contact rated value1.25 A

— at 110 V per NO contact rated value2.5 A

— at 220 V per NC contact rated value0.5 A

— at 220 V per NO contact rated value1 A

— at 440 V per NC contact rated value0.045 A

— at 440 V per NO contact rated value0.09 A

— at 24 V per NC contact rated value35 A

— at 24 V per NO contact rated value35 A

— at 110 V per NC contact rated value7.5 A

— at 110 V per NO contact rated value15 A

— at 220 V per NC contact rated value1.5 A

— at 220 V per NO contact rated value3 A

— at 440 V per NC contact rated value0.135 A

— at 440 V per NO contact rated value0.27 A

at 230 V per NC contact rated value5.5 kW

at 230 V per NO contact rated value5.5 kW

at 400 V per NC contact rated value7.5 kW

at 400 V per NO contact rated value11 kW

limited to 1 s switching at zero current maximum200 A; Use minimum cross-section acc. to AC-1 rated value

limited to 5 s switching at zero current maximum200 A; Use minimum cross-section acc. to AC-1 rated value

limited to 10 s switching at zero current maximum200 A; Use minimum cross-section acc. to AC-1 rated value

limited to 30 s switching at zero current maximum128 A; Use minimum cross-section acc. to AC-1 rated value

limited to 60 s switching at zero current maximum106 A; Use minimum cross-section acc. to AC-1 rated value

power loss [W] at AC-3 at 400 V for rated value of the operational current per conductor1.9 W

power loss [W] at AC-3e at 400 V for rated value of the operational current per conductor1.9 W

at AC5 000 1/h

at DC1 500 1/h

at AC-1 maximum1 000 1/h

Control circuit/ Control

type of voltage of the control supply voltageDC

control supply voltage at DC rated value48 V

initial value0.8

full-scale value1.1

closing power of magnet coil at DC5.9 W

holding power of magnet coil at DC5.9 W

at DC50 ... 170 ms

at DC15 ... 18 ms

arcing time10 ms

Auxiliary circuit

number of NC contacts for auxiliary contacts instantaneous contact1

number of NO contacts for auxiliary contacts instantaneous contact1

operational current at AC-12 maximum10 A

at 230 V rated value10 A

at 400 V rated value3 A

at 500 V rated value2 A

at 690 V rated value1 A

at 24 V rated value10 A

at 48 V rated value6 A

at 60 V rated value6 A

at 110 V rated value3 A

at 125 V rated value2 A

at 220 V rated value1 A

at 600 V rated value0.15 A

at 24 V rated value10 A

at 48 V rated value2 A

at 60 V rated value2 A

at 110 V rated value1 A

at 125 V rated value0.9 A

at 220 V rated value0.3 A

at 600 V rated value0.1 A

contact reliability of auxiliary contacts1 faulty switching per 100 million (17 V, 1 mA)

UL/CSA ratings

for single-phase AC motor at 230 V rated value3 hp

for 3-phase AC motor at 460/480 V rated value15 hp

contact rating of auxiliary contacts according to ULA600 / Q600

UL File Number (CCN)E31519 (NLDX, NLDX7)

Short-circuit protection

design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 VC characteristic: 10 A; 0.4 kA

— with type of coordination 1 requiredgG: 63 A (690 V, 100 kA)

— with type of coordination 2 requiredgG: 35 A (690 V, 50 kA)

for short-circuit protection of the auxiliary switch requiredgG: 10 A (690 V, 1 kA)

Installation/ mounting/ dimensions

mounting position+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface

fastening method side-by-side mountingYes

fastening methodscrew and snap-on mounting onto 35 mm DIN rail according to DIN EN 50022

height102 mm

width61 mm

depth107 mm

— forwards0 mm

— backwards0 mm

— upwards0 mm

— downwards0 mm

— at the side0 mm

— forwards0 mm

— backwards0 mm

— upwards0 mm

— at the side6 mm

— downwards0 mm

— forwards0 mm

— backwards0 mm

— upwards0 mm

— downwards0 mm

— at the side6 mm

Connections/ Terminals

for main current circuitspring-loaded terminals

for auxiliary and control circuitspring-loaded terminals

at contactor for auxiliary contactsSpring-type terminals

of magnet coilSpring-loaded terminal

— solid2x (1 ... 10 mm²)

— solid or stranded2x (1 ... 10 mm²)

— finely stranded with core end processing2x (1 ... 6 mm²)

— finely stranded without core end processing2x (1 ... 6 mm²)

for AWG cables for main contacts2x (18 ... 8)

— solid2x (0.5 ... 2.5 mm²)

— solid or stranded2x (0.5 ... 2.5 mm²)

— finely stranded with core end processing2x (0.5 ... 1.5 mm²)

— finely stranded without core end processing2x (0.5 ... 1.5 mm²)

for AWG cables for auxiliary contacts2x (20 ... 14)

AWG number as coded connectable conductor cross section for main contacts18 ... 8

AWG number as coded connectable conductor cross section for auxiliary contacts20 ... 14

Safety related data

mirror contact according to IEC 60947-4-1Yes

positively driven operation according to IEC 60947-5-1No

Electrical Safety

protection class IP on the front according to IEC 60529IP20

touch protection on the front according to IEC 60529finger-safe, for vertical contact from the front

Approvals Certificates

global warming potential [CO2 eq] / during manufacturing2.65 kg

global warming potential [CO2 eq] / during operation219 kg

global warming potential [CO2 eq] / after end of life-0.639 kg

global warming potential [CO2 eq] / total221 kg

Accessories 46

Genuine accessories that can be used with the Siemens 3RT2526-2BW40 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.

Part no	Description	Compatible motors
3RT2926-1BB00	Aksesuar · Surge suppressor · varistors
3RT2926-3AB31	Aksesuar · Latching blocks · mechanical latching blocks
3RT2926-1CB00	Aksesuar · Surge suppressor · RC elements
3RH2911-2FA40	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2HA11	Aksesuar · Auxiliary switch · auxiliary switches
3RH2921-2DE11	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2HA31	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2XA40-0MA0	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2XA31-0MA0	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2HA01	Aksesuar · Auxiliary switch · auxiliary switches
3RT1926-4P	Aksesuar · Miscellaneous accessories · adapters
3RT2900-1SB10	Aksesuar · Miscellaneous accessories · labeling plates
3RA2813-2FW10	Aksesuar
3RT2916-4MA10	Aksesuar · Sealing covers · sealing covers
3RT2926-4MC00	Aksesuar · Miscellaneous accessories · Control Kits
3RT2900-1SB60	Aksesuar · Miscellaneous accessories · labeling plates
3RT2900-1SB20	Aksesuar · Miscellaneous accessories · labeling plates
3RT2926-1QT00	Aksesuar · LED modules · LED display indicator modules
3RT2926-3AF31	Aksesuar · Latching blocks · mechanical latching blocks
3RT2926-3AP31	Aksesuar · Latching blocks · mechanical latching blocks
3RT2926-4RA12	Aksesuar · Coil connection modules · coil connection modules
3RH2921-2DA20	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2HA10	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2HA21	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2HA30	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2NE21	Aksesuar · Auxiliary switch · auxiliary switches
3RT2926-4RB12	Aksesuar · Coil connection modules · coil connection modules
3RT2926-1JK00	Aksesuar · Surge suppressor · varistors
3RH2911-2XA11-0MA0	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2XA20-0MA0	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2NL40	Aksesuar · Auxiliary switch · auxiliary switches
3RT2926-1ES00	Aksesuar · Surge suppressor · diode assemblies
3RH2921-2DA11	Aksesuar · Auxiliary switch · auxiliary switches
3RA2813-2AW10	Aksesuar
3RH2911-2NF11	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2FB11	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-2HA20	Aksesuar · Auxiliary switch · auxiliary switches
3RA2908-1A	Aksesuar · Miscellaneous accessories · screwdrivers
3RA2815-2FW10	Aksesuar
3RA2815-2AW10	Aksesuar
3RA2814-2FW10	Aksesuar
3RA2814-2AW10	Aksesuar
3RH2911-2NM31	Aksesuar · Auxiliary switch · auxiliary switches
3RA2812-2DW10	Aksesuar
3RA2811-2CW10	Aksesuar
3RH2911-2NF20	Aksesuar · Auxiliary switch · auxiliary switches