T0-3-8901/I1
231941 T0-3-8901/I1
231941

On-Off switch, 3 pole + N + 1 N/O + 1 N/C, 20 A, 90 °, surface mounting
On-Off switch, Product range: On-Off switch, Part group reference: T0, with black thumb grip and front plate, 3 pole + N, Degree of Protection: IP65, Design: surface mounting, Switching angle: 90 °, Switching performance: maintained, front plate: 0-1, Motor rating AC-23A, 50 - 60 Hz 400 V: P = 5.5 kW, Rated uninterrupted current: Iu = 20 A, 3 contact unit(s), Standards: IEC/EN 60947, VDE 0660, IEC/EN 60204, Switch-disconnector according to IEC/EN 60947-3

Product range	On-Off switch
Part group reference	T0
Number of poles	with black thumb grip and front plate
Degree of Protection	3 pole + N
Design	1 N/O
Contact sequence	1 N/C
Switching angle	IP65
Switching performance
Design number	surface mounting
Front plate no.
front plate
400 V [P]	90 °
Rated uninterrupted current [Iu]	maintained
Note on rated uninterrupted current !u	8901
Number of contact units
Standards	0-1
Climatic proofing	5.5 kW
Ambient temperature >Enclosed	20 A
Overvoltage category/pollution degree	Rated uninterrupted current Iu is specified for max. cross-section.
Rated impulse withstand voltage [Uimp]	3 contact unit(s)
Mechanical shock resistance	IEC/EN 60947, VDE 0660, IEC/EN 60204 Switch-disconnector according to IEC/EN 60947-3
Mounting position	Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30
Mechanical variables >Number of poles	-25 - +40 °C
Mechanical variables >Auxiliary contacts 1 N/O Mechanical variables >Auxiliary contacts 1 N/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	3 pole + N
Load rating with intermittent operation, class 12 >AB 60 % DF	1 N/O
Short-circuit rating >Fuse	1 N/C
Rated short-time withstand current (1 s current) [Icw ]	690 V AC
Note on rated short-time withstand current lcw	20 A
Rated conditional short-circuit current [Iq]	Rated uninterrupted current Iu is specified for max. cross-section.
cos ϕ rated making capacity as per IEC 60947-3	2 x Ie
Rated breaking capacity cos ϕ to IEC 60947-3 >230 V	1.6 x Ie
Rated breaking capacity cos ϕ to IEC 60947-3 >400/415 V	1.3 x Ie
Rated breaking capacity cos ϕ to IEC 60947-3 >500 V	20 A gG/gL
Rated breaking capacity cos ϕ to IEC 60947-3 >690 V	320 Arms
Safe isolation to EN 61140 >between the contacts	Current for a time of 1 second
Safe isolation to EN 61140 >Current heat loss per contact at Ie	6 kA
Safe isolation to EN 61140 >Current heat loss per auxiliary circuit at Ie (AC-15/230 V)	130 A
Lifespan, mechanical [Operations]	100 A
Maximum operating frequency [Operations/h]	110 A
AC >AC-3 >Rating, motor load switch [P] >220 V 230 V [P]	80 A
AC >AC-3 >Rating, motor load switch [P] >230 V Star-delta [P]	60 A
AC >AC-3 >Rating, motor load switch [P] >400 V 415 V [P]	440 V AC
AC >AC-3 >Rating, motor load switch [P] >400 V Star-delta [P]	0.6 W
AC >AC-3 >Rating, motor load switch [P] >500 V [P]	0.6 CO
AC >AC-3 >Rating, motor load switch [P] >500 V Star-delta [P]	> 0.4 x 106
AC >AC-3 >Rating, motor load switch [P] >690 V [P]	1200
AC >AC-3 >Rating, motor load switch [P] >690 V Star-delta [P]	3 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]	5.5 kW
AC >AC-3 >Rated operational current motor load switch >400V 415 V [Ie]	7.5 kW
AC >AC-3 >Rated operational current motor load switch >400 V star-delta [Ie]	5.5 kW
AC >AC-3 >Rated operational current motor load switch >500 V [Ie ]	7.5 kW
AC >AC-3 >Rated operational current motor load switch >500 V star-delta [Ie ]	4 kW
AC >AC-3 >Rated operational current motor load switch >690 V [Ie]	5.5 kW
AC >AC-3 >Rated operational current motor load switch >690 V star-delta [Ie]	11.5 A
AC >AC-21A >Rated operational current switch >440 V [Ie]	20 A
AC >AC-23A >Motor rating AC-23A, 50 - 60 Hz [P] >230 V [P]	11.5 A
AC >AC-23A >Motor rating AC-23A, 50 - 60 Hz [P] >400 V 415 V [P]	20 A
AC >AC-23A >Motor rating AC-23A, 50 - 60 Hz [P] >500 V [P]	9 A
AC >AC-23A >Motor rating AC-23A, 50 - 60 Hz [P] >690 V [P]	15.6 A
AC >AC-23A >Rated operational current motor load switch >230 V [Ie]	4.9 A
AC >AC-23A >Rated operational current motor load switch >400 V 415 V [Ie]	8.5 A
AC >AC-23A >Rated operational current motor load switch >500 V [Ie]	20 A
AC >AC-23A >Rated operational current motor load switch >690 V [Ie]	3 kW
DC >DC-1, Load-break switches L/R = 1 ms >Rated operational current [Ie]	5.5 kW
DC >DC-1, Load-break switches L/R = 1 ms >Voltage per contact pair in series	7.5 kW
DC >DC-21A [Ie ] >Rated operational current [Ie]	5.5 kW
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	13.3 A
DC >DC-23A, motor load switch L/R = 15 ms >48 V >Rated operational current [Ie]	7.6 A
DC >DC-23A, motor load switch L/R = 15 ms >48 V >Contacts	10 A
DC >DC-23A, motor load switch L/R = 15 ms >60 V >Rated operational current [Ie]	60 V
DC >DC-23A, motor load switch L/R = 15 ms >60 V >Contacts	1 A
DC >DC-23A, motor load switch L/R = 15 ms >120 V >Rated operational current [Ie]	1 Quantity
DC >DC-23A, motor load switch L/R = 15 ms >120 V >Contacts	10 A
DC >DC-23A, motor load switch L/R = 15 ms >240 V >Rated operational current [Ie]	1 Quantity
DC >DC-23A, motor load switch L/R = 15 ms >240 V >Contacts	10 A
DC >DC-13, Control switches L/R = 50 ms >Rated operational current [Ie]	2 Quantity
DC >DC-13, Control switches L/R = 50 ms >Voltage per contact pair in series	10 A
Control circuit reliability at 24 V DC, 10 mA [Fault probability]	3 Quantity
Solid or stranded	5 A
Flexible with ferrules to DIN 46228	3 Quantity
Terminal screw	5 A
Tightening torque for terminal screw	5 Quantity
Notes	10 A
Terminal capacity >Terminal screw	32 V
Terminal capacity >Tightening torque	< 10 -5, < 1 fault in 100000 operations HF
Rated operational current for specified heat dissipation [In]	1 x (1 - 2,5) 2 x (1 - 2,5) mm2
Heat dissipation per pole, current-dependent [Pvid]	1 x (0.75 - 2.5) 2 x (0.75 - 2.5) mm2
Equipment heat dissipation, current-dependent [Pvid]	M3.5
Static heat dissipation, non-current-dependent [Pvs]	1 Nm
Heat dissipation capacity [Pdiss]	B10d values as per EN ISO 13849-1, table C1
Operating ambient temperature min.	M3.5
Operating ambient temperature max.	8.83 lb-in
10.2 Strength of materials and parts >10.2.2 Corrosion resistance	20 A
10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures	0.6 W
10.2 Strength of materials and parts >10.2.3.2 Verification of resistance of insulating materials to normal heat	0 W
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	0 W
10.2 Strength of materials and parts >10.2.4 Resistance to ultra-violet (UV) radiation	0 W
10.2 Strength of materials and parts >10.2.5 Lifting	-25 °C
10.2 Strength of materials and parts >10.2.6 Mechanical impact	+40 °C
10.2 Strength of materials and parts >10.2.7 Inscriptions	Meets the product standard´s requirements.
10.3 Degree of protection of ASSEMBLIES	Meets the product standard´s requirements.
10.4 Clearances and creepage distances	Meets the product standard´s requirements.
10.5 Protection against electric shock	Meets the product standard´s requirements.
10.6 Incorporation of switching devices and components	UV resistance only in connection with protective shield.
10.7 Internal electrical circuits and connections	Does not apply, since the entire switchgear needs to be evaluated.
10.8 Connections for external conductors	Does not apply, since the entire switchgear needs to be evaluated.
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	Does not apply, since the entire switchgear needs to be evaluated.
10.9 Insulation properties >10.9.4 Testing of enclosures made of insulating material	Meets the product standard´s requirements.
10.10 Temperature rise	Does not apply, since the entire switchgear needs to be evaluated.
10.11 Short-circuit rating	Does not apply, since the entire switchgear needs to be evaluated.
10.12 Electromagnetic compatibility	Is the panel builder´s responsibility.
10.13 Mechanical function	Is the panel builder´s responsibility.
Version as main switch	Is the panel builder´s responsibility.
Version as maintenance-/service switch	Is the panel builder´s responsibility.
Version as safety switch	Is the panel builder´s responsibility.
Version as emergency stop installation	The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
Version as reversing switch	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Number of switches	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Max. rated operation voltage Ue AC	The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Rated operating voltage	No
Rated permanent current Iu	No
Rated permanent current at AC-23, 400 V	No
Rated permanent current at AC-21, 400 V	No
Rated operation power at AC-3, 400 V	No
Rated short-time withstand current lcw	1
Rated operation power at AC-23, 400 V	690 V
Switching power at 400 V	690 - 690 V
Conditioned rated short-circuit current Iq	20 A
Number of poles	13.3 A
Number of auxiliary contacts as normally closed contact	20 A
Number of auxiliary contacts as normally open contact	5.5 kW
Number of auxiliary contacts as change-over contact	0.32 kA
Motor drive optional	5.5 kW
Motor drive integrated	5.5 kW
Voltage release optional	6 kA
Device construction	4
Suitable for ground mounting	1
Suitable for front mounting 4-hole	1
Suitable for front mounting centre	0
Suitable for distribution board installation	No
Suitable for intermediate mounting	No
Colour control element	No
Type of control element	Complete device in housing
Interlockable	Yes
Type of electrical connection of main circuit	No
Degree of protection (IP), front side	No
Degree of protection (NEMA)	No

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