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Datasheet generated 2026-10-07
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Star-Delta Selector Enclosed (T5B-4-8410/I4)

Eaton · Switchgear & Protection · Disconnect Switches · Ireland · eaton.com
Part Number
T5B-4-8410/I4  ·  HS 8536.50
Star-Delta Selector Enclosed (T5B-4-8410/I4)

Eaton T5B-4-8410/I4 Y/D-selector switch. Enclosed - 22 / 30 / 37 / 37 kW AC-1 63A.

Technical Specifications

Manufacturer part number (MPN)T5B-4-8410/I4
EAN / GTIN4015082072346
Sales unitpcs
Eaton catalogue number207234
Depth240 mm
Height197 mm
Width160 mm
Weight1.435 kg
CertificationsCSA; CSA-C22.2 No. 94; CSA File No.: 012528; IEC/EN 60204; IEC/EN 60947; UL File No.: E36332; CE; UL Category Control No.: NLRV; CSA Class No.: 3211-05; CSA-C22.2 No. 60947-4-1-14; UL 60947-4-1; UL; VDE 0660; IEC/EN 60947-3
Catalog NotesRated Short-time Withstand Current (Icw) for a time of 1 second
Actuator functionWith 0 (Off) position; Maintained
Actuator typeShort thumb-grip
Ambient operating temperature - max40 °C
Ambient operating temperature - min-25 °C
Ambient operating temperature (enclosed) - max40 °C
Ambient operating temperature (enclosed) - min-25 °C
Climatic proofingDamp heat, constant, to IEC 60068-2-78; Damp heat, cyclic, to IEC 60068-2-30
Control circuit reliability1 failure per 100,000 switching operations statistically determined, at 24 V DC, 10 mA)
Number of auxiliary contacts (change-over contacts)0
Number of auxiliary contacts (normally closed contacts)0
Number of auxiliary contacts (normally open contacts)0
Number of contacts8
Heat dissipation per pole, current-dependent Pvid4.5 W
Rated operational current for specified heat dissipation (In)63 A
Rated breaking capacity at 220/230 V (cos phi to IEC 60947-3)520 A
Rated breaking capacity at 400/415 V (cos phi to IEC 60947-3)600 A
Rated breaking capacity at 500 V (cos phi to IEC 60947-3)480 A
Rated breaking capacity at 660/690 V (cos phi to IEC 60947-3)340 A
Rated operational current (Ie)63 A at AC-3, 400 V star-delta; 29.4 A at AC-3, 690 V star-delta; 63 A at AC-3, 230 V star-delta; 57.2 A at AC-3, 500 V star-delta
Rated operational current (Ie) at AC-21, 440 V63 A
Rated operational current (Ie) at AC-23A, 230 V63 A
Rated operational current (Ie) at AC-23A, 400 V, 415 V63 A
Rated operational current (Ie) at AC-23A, 500 V33 A
Rated operational current (Ie) at AC-23A, 690 V23.8 A
Rated operational current (Ie) at AC-3, 220 V, 230 V, 240 V51 A
Rated operational current (Ie) at AC-3, 380 V, 400 V, 415 V41 A
Rated operational current (Ie) at AC-3, 500 V33 A
Rated operational current (Ie) at AC-3, 660 V, 690 V17 A
Rated operational current (Ie) at DC-13, control switches L/R = 50 ms25 A
Rated operational current (Ie) at DC-23A, 120 V25 A
Rated operational current (Ie) at DC-23A, 24 V50 A
Rated operational current (Ie) at DC-23A, 240 V20 A
Rated operational current (Ie) at DC-23A, 48 V50 A
Rated operational current (Ie) at DC-23A, 60 V50 A
Rated operational power at AC-23A, 220/230 V, 50 Hz18.5 kW
Rated operational power at AC-23A, 400 V, 50 Hz30 kW
Rated operational power at AC-23A, 500 V, 50 Hz22 kW
Rated operational power at AC-23A, 690 V, 50 Hz22 kW
Rated operational power at AC-3, 380/400 V, 50 Hz37 kW
Rated operational power at AC-3, 415 V, 50 Hz22 kW
Rated operational power at AC-3, 690 V, 50 Hz15 kW
Rated operational power star-delta at 220/230 V, 50 Hz18.5 kW
Rated operational power star-delta at 380/400 V, 50 Hz30 kW
Rated operational power star-delta at 500 V, 50 Hz37 kW
Rated operational power star-delta at 690 V, 50 Hz22 kW
Rated operational voltage (Ue) at AC - max690 V
Rated uninterrupted current (Iu)63 A
Uninterrupted currentRated uninterrupted current Iu is specified for max. cross-section.
Enclosure materialPlastic
FeaturesComplete device in housing
Fitted withBlack thumb grip and front plate; 0 (off) position
Inscription0-Y-D
Number of poles3
Degree of protectionNEMA 1; NEMA 12; IP65
Degree of protection (front side)IP65; NEMA 12
Lifespan, mechanical500,000 Operations
ModelStar-delta switch
Mounting methodSurface mounting
Mounting positionAs required
Number of contact units4
Operating frequency1200 Operations/h
Overvoltage categoryIII
Pollution degree3
Product CategoryControl switches
Rated impulse withstand voltage (Uimp)6000 V AC
Safe isolation440 V AC, Between the contacts, According to EN 61140
Safety parameter (EN ISO 13849-1)B10d values as per EN ISO 13849-1, table C.1
Shock resistance15 g, Mechanical, According to IEC/EN 60068-2-27, Half-sinusoidal shock 20 ms
Suitable forGround mounting; Branch circuits, suitable as motor disconnect, (UL/CSA); Front mounting
Switching angle60 °
TypeStar-delta switch
Assigned motor power at 115/120 V, 60 Hz, 1-phase3 HP
Assigned motor power at 200/208 V, 60 Hz, 1-phase7.5 HP
Assigned motor power at 200/208 V, 60 Hz, 3-phase15 HP
Assigned motor power at 230/240 V, 60 Hz, 1-phase10 HP
Assigned motor power at 230/240 V, 60 Hz, 3-phase15 HP
Assigned motor power at 460/480 V, 60 Hz, 3-phase40 HP
Assigned motor power at 575/600 V, 60 Hz, 3-phase40 HP
Rated conditional short-circuit current (Iq)2 kA
Rated short-time withstand current (Icw)1,3 kA, Contacts, 1 second
Short-circuit current rating (high fault)10 kA, SCCR (UL/CSA); 100 A, Class J, max. Fuse, SCCR (UL/CSA)
Short-circuit protection rating80 A gG/gL, Fuse, Contacts
Load rating2 x Iₑ (with intermittent operation class 12, 25 % duty factor); 1.6 x Iₑ (with intermittent operation class 12, 40 % duty factor); 1.3 x Iₑ (with intermittent operation class 12, 60 % duty factor)
Number of contacts in series at DC-23A, 120 V3
Number of contacts in series at DC-23A, 24 V1
Number of contacts in series at DC-23A, 240 V6
Number of contacts in series at DC-23A, 48 V2
Number of contacts in series at DC-23A, 60 V3
Rated making capacity up to 690 V (cos phi to IEC/EN 60947-3)800 A
Switching capacity (main contacts, general use)63 A, Rated uninterrupted current max. (UL/CSA)
Voltage per contact pair in series60 V
Screw sizeM6, Terminal screw
Terminal capacity (flexible with ferrule)1 x (1 - 25) mm², ferrules to DIN 46228; 2 x (1.5 - 10) mm², ferrule to DIN 46228
Terminal capacity (solid/flexible with ferrule AWG)12 - 4
Terminal capacity (solid/stranded)1 x (2.5 - 35) mm²; 2 x (2.5 - 16) mm²
Tightening torque35.4 lb-in, Screw terminals; 4 Nm, Screw terminals
Rated operation power at AC-3, 400 V37 kW
Rated permanent current Iu63 A
Rated operation current Ie at AC-3, 400 V41 A
With zero (off) positionYes
Housing materialPlastic
With retraction in 0-positionNo
Degree of protection (IP), front sideIP65
Type of electrical connection of main circuitScrew connection
Type of control elementWing knob
Suitable for floor mountingYes
Suitable for front mountingYes
Suitable for distribution board installationNo
Suitable for intermediate mountingNo
Complete device in housingYes
Country of originUnited Kingdom

Properties

MOQ1

Cross-References

Attached Documents