| Product range | Main switch maintenance switch
 Repair switch
 | 
		
			| Part group reference | T0 | 
		
			| Stop Function | Emergency switching off function | 
		
			| Number of poles | With red rotary handle and yellow locking ring | 
		
			| Locking facility | 8-pole | 
		
			| Degree of Protection | Lockable in the 0 (Off) position | 
		
			| Design | Front IP65 | 
		
			| Contact sequence | flush mounting | 
		
			| Switching angle |  | 
		
			| Design number |  | 
		
			| Function | 90 ° | 
		
			| 400 V [P] | 8344 | 
		
			| Rated uninterrupted current [Iu] |  | 
		
			| Note on rated uninterrupted current !u | 5.5 kW | 
		
			| Number of contact units | 20 A | 
		
			| Standards | Rated uninterrupted current Iu is specified for max. cross-section. | 
		
			| Climatic proofing | 4 contact unit(s) | 
		
			| Ambient temperature >Open
 | IEC/EN 60947, VDE 0660, IEC/EN 60204, CSA, UL Switch-disconnector according to IEC/EN 60947-3
 | 
		
			| Ambient temperature >Enclosed
 | Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30
 | 
		
			| Overvoltage category/pollution degree | -25 - +50 °C | 
		
			| Rated impulse withstand voltage  [Uimp] | -25 - +40 °C | 
		
			| Mechanical shock resistance | III/3 | 
		
			| Mounting position | 6000 V AC | 
		
			| Mechanical variables >Number of poles
 | 15 g | 
		
			| Electrical characteristics >Rated operational voltage [Ue]
 | As required | 
		
			| Electrical characteristics >Rated uninterrupted current [Iu]
 | 8-pole | 
		
			| Electrical characteristics >Note on rated uninterrupted current !u
 | 690 V AC | 
		
			| Load rating with intermittent operation, class 12 >AB 25 % DF
 | 20 A | 
		
			| Load rating with intermittent operation, class 12 >AB 40 % DF
 | Rated uninterrupted current Iu is specified for max. cross-section. | 
		
			| Load rating with intermittent operation, class 12 >AB 60 % DF
 | 2 x Ie | 
		
			| Short-circuit rating >Fuse
 | 1.6 x Ie | 
		
			| Rated short-time withstand current (1 s current) [Icw
	] | 1.3 x Ie | 
		
			| Note on rated short-time withstand current lcw | 20 A gG/gL | 
		
			| Rated conditional short-circuit current [Iq] | 320 Arms | 
		
			| cos ϕ rated making capacity as per IEC 60947-3 | Current for a time of 1 second | 
		
			| Rated breaking capacity cos ϕ to IEC 60947-3 >230 V
 | 6 kA | 
		
			| Rated breaking capacity cos ϕ to IEC 60947-3 >400/415 V
 | 130 A | 
		
			| Rated breaking capacity cos ϕ to IEC 60947-3 >500 V
 | 100 A | 
		
			| Rated breaking capacity cos ϕ to IEC 60947-3 >690 V
 | 110 A | 
		
			| Safe isolation to EN 61140 >between the contacts
 | 80 A | 
		
			| Safe isolation to EN 61140 >Current heat loss per contact at Ie
 | 60 A | 
		
			| Safe isolation to EN 61140 >Current heat loss per auxiliary circuit at Ie (AC-15/230 V)
 | 440 V AC | 
		
			| Lifespan, mechanical [Operations] | 0.6 W | 
		
			| Maximum operating frequency [Operations/h] | 0.6 CO | 
		
			| AC >AC-3
 >Rating, motor load switch [P]
 >220 V 230 V [P]
 | > 0.4 x 106 | 
		
			| AC >AC-3
 >Rating, motor load switch [P]
 >230 V Star-delta [P]
 | 1200 | 
		
			| AC >AC-3
 >Rating, motor load switch [P]
 >400 V 415 V [P]
 | 3 kW | 
		
			| AC >AC-3
 >Rating, motor load switch [P]
 >400 V Star-delta [P]
 | 5.5 kW | 
		
			| AC >AC-3
 >Rating, motor load switch [P]
 >500 V [P]
 | 5.5 kW | 
		
			| AC >AC-3
 >Rating, motor load switch [P]
 >500 V Star-delta [P]
 | 7.5 kW | 
		
			| AC >AC-3
 >Rating, motor load switch [P]
 >690 V [P]
 | 5.5 kW | 
		
			| AC >AC-3
 >Rating, motor load switch [P]
 >690 V Star-delta [P]
 | 7.5 kW | 
		
			| AC >AC-3
 >Rated operational current motor load switch
 >230 V [Ie]
 | 4 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]
 | 11.5 A | 
		
			| AC >AC-3
 >Rated operational current motor load switch
 >400 V star-delta [Ie]
 | 20 A | 
		
			| AC >AC-3
 >Rated operational current motor load switch
 >500 V [Ie
	]
 | 11.5 A | 
		
			| AC >AC-3
 >Rated operational current motor load switch
 >500 V star-delta [Ie
	]
 | 20 A | 
		
			| AC >AC-3
 >Rated operational current motor load switch
 >690 V [Ie]
 | 9 A | 
		
			| AC >AC-3
 >Rated operational current motor load switch
 >690 V star-delta [Ie]
 | 15.6 A | 
		
			| AC >AC-21A
 >Rated operational current switch
 >440 V [Ie]
 | 4.9 A | 
		
			| AC >AC-23A
 >Motor rating AC-23A, 50 - 60 Hz [P]
 >230 V [P]
 | 8.5 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]
 | 3 kW | 
		
			| AC >AC-23A
 >Motor rating AC-23A, 50 - 60 Hz [P]
 >690 V [P]
 | 5.5 kW | 
		
			| AC >AC-23A
 >Rated operational current motor load switch
 >230 V [Ie]
 | 7.5 kW | 
		
			| AC >AC-23A
 >Rated operational current motor load switch
 >400 V 415 V [Ie]
 | 5.5 kW | 
		
			| AC >AC-23A
 >Rated operational current motor load switch
 >500 V [Ie]
 | 13.3 A | 
		
			| AC >AC-23A
 >Rated operational current motor load switch
 >690 V [Ie]
 | 13.3 A | 
		
			| DC >DC-1, Load-break switches L/R = 1 ms
 >Rated operational current [Ie]
 | 13.3 A | 
		
			| DC >DC-1, Load-break switches L/R = 1 ms
 >Voltage per contact pair in series
 | 7.6 A | 
		
			| DC >DC-21A [Ie
	]
 >Rated operational current [Ie]
 | 10 A | 
		
			| DC >DC-21A [Ie
	]
 >Contacts
 | 60 V | 
		
			| DC >DC-23A, motor load switch
L/R = 15 ms
 >24 V
 >Rated operational current [Ie]
 | 1 A | 
		
			| DC >DC-23A, motor load switch
L/R = 15 ms
 >24 V
 >Contacts
 | 1 Quantity | 
		
			| 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
 | 1 Quantity | 
		
			| DC >DC-23A, motor load switch
L/R = 15 ms
 >60 V
 >Rated operational current [Ie]
 | 10 A | 
		
			| DC >DC-23A, motor load switch
L/R = 15 ms
 >60 V
 >Contacts
 | 2 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
 | 3 Quantity | 
		
			| DC >DC-23A, motor load switch
L/R = 15 ms
 >240 V
 >Rated operational current [Ie]
 | 5 A | 
		
			| DC >DC-23A, motor load switch
L/R = 15 ms
 >240 V
 >Contacts
 | 3 Quantity | 
		
			| DC >DC-13, Control switches L/R = 50 ms
 >Rated operational current [Ie]
 | 5 A | 
		
			| DC >DC-13, Control switches L/R = 50 ms
 >Voltage per contact pair in series
 | 5 Quantity | 
		
			| Control circuit reliability at 24 V DC, 10 mA [Fault probability] | 10 A | 
		
			| Solid or stranded | 32 V | 
		
			| Flexible with ferrules to DIN 46228 | < 10 -5, < 1 fault in 100000 operations HF | 
		
			| Terminal screw | 1 x (1 - 2,5) 2 x (1 - 2,5) mm2
 | 
		
			| Tightening torque for terminal screw | 1 x (0.75 - 2.5) 2 x (0.75 - 2.5) mm2
 | 
		
			| Notes | M3.5 | 
		
			| Contacts >Rated operational voltage [Ue]
 | 1 Nm | 
		
			| Contacts >Rated uninterrupted current max.
 >Main conducting paths
 >General use
 | B10d values as per EN ISO 13849-1, table C1 | 
		
			| Contacts >Rated uninterrupted current max.
 >Auxiliary contacts
 >General Use [IU]
 | 600 V AC | 
		
			| Contacts >Rated uninterrupted current max.
 >Auxiliary contacts
 >Pilot Duty
 | 16 A | 
		
			| Switching capacity >Maximum motor rating
 >Single-phase
 >120 V AC
 | 10 A | 
		
			| Switching capacity >Maximum motor rating
 >Single-phase
 >200 V AC
 | A 600 P 600
 | 
		
			| Switching capacity >Maximum motor rating
 >Single-phase
 >240 V AC
 | 0.5 HP | 
		
			| Switching capacity >Maximum motor rating
 >Three-phase
 >200 V AC
 | 1 HP | 
		
			| Switching capacity >Maximum motor rating
 >Three-phase
 >240 V AC
 | 1.5 HP | 
		
			| Switching capacity >Maximum motor rating
 >Three-phase
 >480 V AC
 | 3 HP | 
		
			| Switching capacity >Maximum motor rating
 >Three-phase
 >600 V AC
 | 3 HP | 
		
			| Short Circuit Current Rating >Basic Rating
 | 7.5 HP | 
		
			| Short Circuit Current Rating >max. Fuse
 | 7.5 HP | 
		
			| Short Circuit Current Rating >High fault rating
 | 5 kA | 
		
			| Short Circuit Current Rating >max. Fuse
 | 50 A | 
		
			| Terminal capacity >Solid or flexible conductor with ferrule
 | 10 kA | 
		
			| Terminal capacity >Terminal screw
 | 20, Class J A | 
		
			| Terminal capacity >Tightening torque
 | 18 - 14 AWG | 
		
			| Rated operational current for specified heat dissipation [In] | M3.5 | 
		
			| Heat dissipation per pole, current-dependent [Pvid] | 8.8 lb-in | 
		
			| Equipment heat dissipation, current-dependent [Pvid] | 20 A | 
		
			| Static heat dissipation, non-current-dependent [Pvs] | 0.6 W | 
		
			| Heat dissipation capacity [Pdiss] | 0 W | 
		
			| Operating ambient temperature min. | 0 W | 
		
			| Operating ambient temperature max. | 0 W | 
		
			| 10.2 Strength of materials and parts >10.2.2 Corrosion resistance
 | -25 °C | 
		
			| 10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures
 | +50 °C | 
		
			| 10.2 Strength of materials and parts >10.2.3.2 Verification of resistance of insulating materials to normal heat
 | Meets the product standard´s requirements. | 
		
			| 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
 | Meets the product standard´s requirements. | 
		
			| 10.2 Strength of materials and parts >10.2.4 Resistance to ultra-violet (UV) radiation
 | Meets the product standard´s requirements. | 
		
			| 10.2 Strength of materials and parts >10.2.5 Lifting
 | Meets the product standard´s requirements. | 
		
			| 10.2 Strength of materials and parts >10.2.6 Mechanical impact
 | UV resistance only in connection with protective shield. | 
		
			| 10.2 Strength of materials and parts >10.2.7 Inscriptions
 | Does not apply, since the entire switchgear needs to be evaluated. | 
		
			| 10.3 Degree of protection of ASSEMBLIES | Does not apply, since the entire switchgear needs to be evaluated. | 
		
			| 10.4 Clearances and creepage distances | Meets the product standard´s requirements. | 
		
			| 10.5 Protection against electric shock | Does not apply, since the entire switchgear needs to be evaluated. | 
		
			| 10.6 Incorporation of switching devices and components | Meets the product standard´s requirements. | 
		
			| 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
 | Is the panel builder´s responsibility. | 
		
			| 10.9 Insulation properties >10.9.3 Impulse withstand voltage
 | Is the panel builder´s responsibility. | 
		
			| 10.9 Insulation properties >10.9.4 Testing of enclosures made of insulating material
 | Is the panel builder´s responsibility. | 
		
			| 10.10 Temperature rise | Is the panel builder´s responsibility. | 
		
			| 10.11 Short-circuit rating | Is the panel builder´s responsibility. | 
		
			| 10.12 Electromagnetic compatibility | The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices. | 
		
			| 10.13 Mechanical function | Is the panel builder´s responsibility. The specifications for the switchgear must be observed. | 
		
			| Version as main switch | Is the panel builder´s responsibility. The specifications for the switchgear must be observed. | 
		
			| Version as maintenance-/service switch | The device meets the requirements, provided the information in the instruction leaflet (IL) is observed. | 
		
			| Version as safety switch | Yes | 
		
			| Version as emergency stop installation | Yes | 
		
			| Version as reversing switch | No | 
		
			| Number of switches | Yes | 
		
			| Max. rated operation voltage Ue AC | No | 
		
			| Rated operating voltage | 1 | 
		
			| Rated permanent current Iu | 690 V | 
		
			| Rated permanent current at AC-23, 400 V | 690 - 690 V | 
		
			| Rated permanent current at AC-21, 400 V | 20 A | 
		
			| Rated operation power at AC-3, 400 V | 13.3 A | 
		
			| Rated short-time withstand current lcw | 20 A | 
		
			| Rated operation power at AC-23, 400 V | 5.5 kW | 
		
			| Switching power at 400 V | 0.32 kA | 
		
			| Conditioned rated short-circuit current Iq | 5.5 kW | 
		
			| Number of poles | 5.5 kW | 
		
			| Number of auxiliary contacts as normally closed contact | 6 kA | 
		
			| Number of auxiliary contacts as normally open contact | 8 | 
		
			| Number of auxiliary contacts as change-over contact | 0 | 
		
			| Motor drive optional | 0 | 
		
			| Motor drive integrated | 0 | 
		
			| Voltage release optional | No | 
		
			| Device construction | No | 
		
			| Suitable for ground mounting | No | 
		
			| Suitable for front mounting 4-hole | Built-in device fixed built-in technique | 
		
			| Suitable for front mounting centre | No | 
		
			| Suitable for distribution board installation | No | 
		
			| Suitable for intermediate mounting | Yes | 
		
			| Colour control element | No | 
		
			| Type of control element | No | 
		
			| Interlockable | Red | 
		
			| Type of electrical connection of main circuit | Door coupling rotary drive | 
		
			| Degree of protection (IP), front side | Yes | 
		
			| Degree of protection (NEMA) | Screw connection | 
		
			| Product Standards | IP65 | 
		
			| UL File No. | 12 | 
		
			| UL Category Control No. | UL 60947-4-1;CSA - C22.2 No. 60947-4-1-14; CSA-C22.2 No. 94; IEC/EN 60947-3; CE marking | 
		
			| CSA File No. | E36332 | 
		
			| CSA Class No. | NLRV | 
		
			| North America Certification | 12528 | 
		
			| Suitable for | 3211-05 | 
		
			| Degree of Protection | UL listed, CSA certified |