T0-4-8419/Z
014034 T0-4-8419/Z
014034

Star-delta switches, T0, 20 A, rear mounting, 4 contact unit(s), Contacts: 7, 90 °, maintained, With 0 (Off) position, 0-Y-D, SOND 27, design no. 8419
Star-delta switch, Product range: Control switches, Part group reference: T0, with black thumb grip and front plate, Notes: SOND 27, Contacts: 7, Degree of Protection: Front IP65, Design: rear mounting, Switching angle: 90 °, Switching performance: maintained, With 0 (Off) position, front plate: 0-Y-D, Motor rating AC-23A, 50 - 60 Hz 400 V: P = 5.5 kW, Rated uninterrupted current: Iu = 20 A, 4 contact unit(s), Standards: IEC/EN 60947, VDE 0660, IEC/EN 60204, CSA, UL, Switch-disconnector according to IEC/EN 60947-3

Product range	Control switches
Part group reference	T0
Basic function	Star-delta switches
Notes	with black thumb grip and front plate
Contacts	SOND 27
Degree of Protection	7
Design	Front IP65
Contact sequence	rear mounting
Switching angle
Switching performance
Design number	90 °
Front plate no.	maintained With 0 (Off) position
front plate	8419
400 V [P]
Rated uninterrupted current [Iu]	0-Y-D
Note on rated uninterrupted current !u
Number of contact units	5.5 kW
Standards	20 A
Climatic proofing	Rated uninterrupted current Iu is specified for max. cross-section.
Ambient temperature >Open	4 contact unit(s)
Ambient temperature >Enclosed
Overvoltage category/pollution degree	IEC/EN 60947, VDE 0660, IEC/EN 60204, CSA, UL Switch-disconnector according to IEC/EN 60947-3
Rated impulse withstand voltage [Uimp]	Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30
Mechanical shock resistance	-25 - +50 °C
Mounting position	-25 - +40 °C
Electrical characteristics >Rated operational voltage [Ue]	III/3
Electrical characteristics >Rated uninterrupted current [Iu]	6000 V AC
Electrical characteristics >Note on rated uninterrupted current !u	15 g
Load rating with intermittent operation, class 12 >AB 25 % DF	As required
Load rating with intermittent operation, class 12 >AB 40 % DF
Load rating with intermittent operation, class 12 >AB 60 % DF	690 V AC
Short-circuit rating >Fuse	20 A
Rated short-time withstand current (1 s current) [Icw ]	Rated uninterrupted current Iu is specified for max. cross-section.
Note on rated short-time withstand current lcw	2 x Ie
Rated conditional short-circuit current [Iq]	1.6 x Ie
cos ϕ rated making capacity as per IEC 60947-3	1.3 x Ie
Rated breaking capacity cos ϕ to IEC 60947-3 >230 V	20 A gG/gL
Rated breaking capacity cos ϕ to IEC 60947-3 >400/415 V	320 Arms
Rated breaking capacity cos ϕ to IEC 60947-3 >500 V	Current for a time of 1 second
Rated breaking capacity cos ϕ to IEC 60947-3 >690 V	6 kA
Safe isolation to EN 61140 >between the contacts
Safe isolation to EN 61140 >Current heat loss per contact at Ie	130 A
Safe isolation to EN 61140 >Current heat loss per auxiliary circuit at Ie (AC-15/230 V)	100 A
Lifespan, mechanical [Operations]	110 A
Maximum operating frequency [Operations/h]	80 A
AC >AC-3 >Rating, motor load switch [P] >220 V 230 V [P]	60 A
AC >AC-3 >Rating, motor load switch [P] >230 V Star-delta [P]	440 V AC
AC >AC-3 >Rating, motor load switch [P] >400 V 415 V [P]	0.6 W
AC >AC-3 >Rating, motor load switch [P] >400 V Star-delta [P]	0.6 CO
AC >AC-3 >Rating, motor load switch [P] >500 V [P]	> 0.4 x 106
AC >AC-3 >Rating, motor load switch [P] >500 V Star-delta [P]	1200
AC >AC-3 >Rating, motor load switch [P] >690 V [P]	3 kW
AC >AC-3 >Rating, motor load switch [P] >690 V Star-delta [P]	5.5 kW
AC >AC-3 >Rated operational current motor load switch >230 V [Ie]	5.5 kW
AC >AC-3 >Rated operational current motor load switch >230 V star-delta [Ie]	7.5 kW
AC >AC-3 >Rated operational current motor load switch >400V 415 V [Ie]	5.5 kW
AC >AC-3 >Rated operational current motor load switch >400 V star-delta [Ie]	7.5 kW
AC >AC-3 >Rated operational current motor load switch >500 V [Ie ]	4 kW
AC >AC-3 >Rated operational current motor load switch >500 V star-delta [Ie ]	5.5 kW
AC >AC-3 >Rated operational current motor load switch >690 V [Ie]	11.5 A
AC >AC-3 >Rated operational current motor load switch >690 V star-delta [Ie]	20 A
AC >AC-21A >Rated operational current switch >440 V [Ie]	11.5 A
AC >AC-23A >Motor rating AC-23A, 50 - 60 Hz [P] >230 V [P]	20 A
AC >AC-23A >Motor rating AC-23A, 50 - 60 Hz [P] >400 V 415 V [P]	9 A
AC >AC-23A >Motor rating AC-23A, 50 - 60 Hz [P] >500 V [P]	15.6 A
AC >AC-23A >Motor rating AC-23A, 50 - 60 Hz [P] >690 V [P]	4.9 A
AC >AC-23A >Rated operational current motor load switch >230 V [Ie]	8.5 A
AC >AC-23A >Rated operational current motor load switch >400 V 415 V [Ie]	20 A
AC >AC-23A >Rated operational current motor load switch >500 V [Ie]	3 kW
AC >AC-23A >Rated operational current motor load switch >690 V [Ie]	5.5 kW
DC >DC-1, Load-break switches L/R = 1 ms >Rated operational current [Ie]	7.5 kW
DC >DC-1, Load-break switches L/R = 1 ms >Voltage per contact pair in series	5.5 kW
DC >DC-21A [Ie ] >Rated operational current [Ie]	13.3 A
DC >DC-21A [Ie ] >Contacts	13.3 A
DC >DC-23A, motor load switch L/R = 15 ms >24 V >Rated operational current [Ie]	13.3 A
DC >DC-23A, motor load switch L/R = 15 ms >24 V >Contacts	7.6 A
DC >DC-23A, motor load switch L/R = 15 ms >48 V >Rated operational current [Ie]	10 A
DC >DC-23A, motor load switch L/R = 15 ms >48 V >Contacts	60 V
DC >DC-23A, motor load switch L/R = 15 ms >60 V >Rated operational current [Ie]	1 A
DC >DC-23A, motor load switch L/R = 15 ms >60 V >Contacts	1 Quantity
DC >DC-23A, motor load switch L/R = 15 ms >120 V >Rated operational current [Ie]	10 A
DC >DC-23A, motor load switch L/R = 15 ms >120 V >Contacts	1 Quantity
DC >DC-23A, motor load switch L/R = 15 ms >240 V >Rated operational current [Ie]	10 A
DC >DC-23A, motor load switch L/R = 15 ms >240 V >Contacts	2 Quantity
DC >DC-13, Control switches L/R = 50 ms >Rated operational current [Ie]	10 A
DC >DC-13, Control switches L/R = 50 ms >Voltage per contact pair in series	3 Quantity
Control circuit reliability at 24 V DC, 10 mA [Fault probability]	5 A
Solid or stranded	3 Quantity
Flexible with ferrules to DIN 46228	5 A
Terminal screw	5 Quantity
Tightening torque for terminal screw	10 A
Notes	32 V
Contacts >Rated operational voltage [Ue]	< 10-5,< 1 failure in 100,000 switching operations HF
Contacts >Rated uninterrupted current max. >Main conducting paths >General use
Contacts >Rated uninterrupted current max. >Auxiliary contacts >General Use [IU]	1 x (1 - 2,5) 2 x (1 - 2,5) mm2
Contacts >Rated uninterrupted current max. >Auxiliary contacts >Pilot Duty	1 x (0.75 - 2.5) 2 x (0.75 - 2.5) mm2
Switching capacity >Maximum motor rating >Single-phase >120 V AC	M3.5
Switching capacity >Maximum motor rating >Single-phase >200 V AC	1 Nm
Switching capacity >Maximum motor rating >Single-phase >240 V AC
Switching capacity >Maximum motor rating >Three-phase >200 V AC	B10d values as per EN ISO 13849-1, table C1
Switching capacity >Maximum motor rating >Three-phase >240 V AC
Switching capacity >Maximum motor rating >Three-phase >480 V AC	600 V AC
Switching capacity >Maximum motor rating >Three-phase >600 V AC	16 A
Short Circuit Current Rating >Basic Rating	10 A
Short Circuit Current Rating >max. Fuse	A 600 P 300
Short Circuit Current Rating >High fault rating	0.5 HP
Short Circuit Current Rating >max. Fuse	1 HP
Terminal capacity >Solid or flexible conductor with ferrule	1.5 HP
Terminal capacity >Terminal screw	3 HP
Terminal capacity >Tightening torque	3 HP
Rated operational current for specified heat dissipation [In]	7.5 HP
Heat dissipation per pole, current-dependent [Pvid]	7.5 HP
Equipment heat dissipation, current-dependent [Pvid]	5 kA
Static heat dissipation, non-current-dependent [Pvs]	50 A
Heat dissipation capacity [Pdiss]	10 kA
Operating ambient temperature min.	20, Class J A
Operating ambient temperature max.	18 - 14 AWG
10.2 Strength of materials and parts >10.2.2 Corrosion resistance	M3.5
10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures	8.8 lb-in
10.2 Strength of materials and parts >10.2.3.2 Verification of resistance of insulating materials to normal heat
10.2 Strength of materials and parts >10.2.3.3 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric effects	20 A
10.2 Strength of materials and parts >10.2.4 Resistance to ultra-violet (UV) radiation	0.6 W
10.2 Strength of materials and parts >10.2.5 Lifting	0 W
10.2 Strength of materials and parts >10.2.6 Mechanical impact	0 W
10.2 Strength of materials and parts >10.2.7 Inscriptions	0 W
10.3 Degree of protection of ASSEMBLIES	-25 °C
10.4 Clearances and creepage distances	+50 °C
10.5 Protection against electric shock
10.6 Incorporation of switching devices and components	Meets the product standard´s requirements.
10.7 Internal electrical circuits and connections	Meets the product standard´s requirements.
10.8 Connections for external conductors	Meets the product standard´s requirements.
10.9 Insulation properties >10.9.2 Power-frequency electric strength	Meets the product standard´s requirements.
10.9 Insulation properties >10.9.3 Impulse withstand voltage	UV resistance only in connection with protective shield.
10.9 Insulation properties >10.9.4 Testing of enclosures made of insulating material	Does not apply, since the entire switchgear needs to be evaluated.
10.10 Temperature rise	Does not apply, since the entire switchgear needs to be evaluated.
10.11 Short-circuit rating	Meets the product standard´s requirements.
10.12 Electromagnetic compatibility	Does not apply, since the entire switchgear needs to be evaluated.
10.13 Mechanical function	Meets the product standard´s requirements.
Model	Does not apply, since the entire switchgear needs to be evaluated.
Number of poles	Does not apply, since the entire switchgear needs to be evaluated.
With 0 (off) position	Is the panel builder´s responsibility.
With retraction in 0-position	Is the panel builder´s responsibility.
Rated permanent current Iu	Is the panel builder´s responsibility.
Rated operation current Ie at AC-3, 400 V	Is the panel builder´s responsibility.
Rated operation power at AC-3, 400 V	Is the panel builder´s responsibility.
Degree of protection (IP), front side	The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
Degree of protection (NEMA), front side	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Number of auxiliary contacts as normally closed contact	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Number of auxiliary contacts as normally open contact	The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Number of auxiliary contacts as change-over contact
Suitable for ground mounting
Suitable for front mounting 4-hole	Star-delta switch
Suitable for distribution board installation	3
Suitable for intermediate mounting	Yes
Complete device in housing	No
Material housing	20 A
Type of control element	11.5 A
Type of electrical connection of main circuit	5.5 kW
Product Standards	IP65
UL File No.	12
UL Category Control No.	0
CSA File No.	0
CSA Class No.	0
North America Certification	Yes
Suitable for	No
Degree of Protection	No

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