General specifications
Product name
Eaton Moeller® series T0 Step switch
Part no.
T0-2-8316/Z
EAN
4015080118039
Product Length/Depth
128 millimetre
Product height
48 millimetre
Product width
48 millimetre
Product weight
0.134 kilogram
Certifications
IEC/EN 60947
CE
CSA-C22.2 No. 94
VDE 0660
CSA-C22.2 No. 60947-4-1-14
CSA File No.: 012528
IEC/EN 60204
UL File No.: E36332
UL 60947-4-1
IEC/EN 60947-3
UL
UL Category Control No.: NLRV
CSA
CSA Class No.: 3211-05
Product Tradename
T0
Product Type
Step switch
Product Sub Type
None
Catalog Notes
Rated Short-time Withstand Current (Icw) for a time of 1 second
Features & Functions
Enclosure material
Plastic
Fitted with:
0 (off) position
Black thumb grip and front plate
Inscription
0-3
Number of poles
3
General information
Degree of protection
NEMA 1
NEMA 12
IP65
Degree of protection (front side)
IP65
NEMA 12
Lifespan, mechanical
400,000 Operations
Model
On/Off switch
Mounting method
Rear mounting
Mounting position
As required
Number of contact units
2
Operating frequency
1200 Operations/h
Overvoltage category
III
Pollution degree
3
Rated impulse withstand voltage (Uimp)
6000 V AC
Safe isolation
440 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 resistance
15 g, Mechanical, According to IEC/EN 60068-2-27, Half-sinusoidal shock 20 ms
Suitable for
Ground mounting
Branch circuits, suitable as motor disconnect, (UL/CSA)
Intermediate mounting
Switching angle
45 °
Type
Step switch for heating
Climatic environmental conditions
Ambient operating temperature - min
-25 °C
Ambient operating temperature - max
50 °C
Ambient operating temperature (enclosed) - min
-25 °C
Ambient operating temperature (enclosed) - max
40 °C
Climatic proofing
Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
Terminal capacities
Terminal capacity (flexible with ferrule)
1 x (0.75 - 2.5) mm², ferrules to DIN 46228
2 x (0.75 - 2.5) mm², ferrules to DIN 46228
Terminal capacity (solid/flexible with ferrule AWG)
18 - 14
Terminal capacity (solid/stranded)
1 x (1 - 2.5) mm²
2 x (1 - 2.5) mm²
Screw size
M3.5, Terminal screw
Tightening torque
1 Nm, Screw terminals
8.8 lb-in, Screw terminals
Electrical rating
Rated breaking capacity at 220/230 V (cos phi to IEC 60947-3)
100 A
Rated breaking capacity at 400/415 V (cos phi to IEC 60947-3)
110 A
Rated breaking capacity at 500 V (cos phi to IEC 60947-3)
80 A
Rated breaking capacity at 660/690 V (cos phi to IEC 60947-3)
60 A
Rated operational current (Ie)
15.6 A at AC-3, 500 V star-delta
8.5 A at AC-3, 690 V star-delta
20 A at AC-3, 230 V star-delta
20 A at AC-3, 400 V star-delta
Rated operational current (Ie) at AC-3, 220 V, 230 V, 240 V
11.5 A
Rated operational current (Ie) at AC-3, 380 V, 400 V, 415 V
11.5 A
Rated operational current (Ie) at AC-3, 500 V
9 A
Rated operational current (Ie) at AC-3, 660 V, 690 V
4.9 A
Rated operational current (Ie) at AC-21, 440 V
20 A
Rated operational current (Ie) at AC-23A, 230 V
13.3 A
Rated operational current (Ie) at AC-23A, 400 V, 415 V
13.3 A
Rated operational current (Ie) at AC-23A, 500 V
13.3 A
Rated operational current (Ie) at AC-23A, 690 V
7.6 A
Rated operational current (Ie) at DC-1, load-break switches l/r = 1 ms
10 A
Rated operational current (Ie) at DC-13, control switches L/R = 50 ms
10 A
Rated operational current (Ie) at DC-21, 240 V
1 A
Rated operational current (Ie) at DC-23A, 24 V
10 A
Rated operational current (Ie) at DC-23A, 48 V
10 A
Rated operational current (Ie) at DC-23A, 60 V
10 A
Rated operational current (Ie) at DC-23A, 120 V
5 A
Rated operational current (Ie) at DC-23A, 240 V
5 A
Rated operational power at AC-3, 380/400 V, 50 Hz
4 kW
Rated operational power at AC-3, 415 V, 50 Hz
5.5 kW
Rated operational power at AC-3, 690 V, 50 Hz
4 kW
Rated operational power at AC-23A, 220/230 V, 50 Hz
3 kW
Rated operational power at AC-23A, 400 V, 50 Hz
5.5 kW
Rated operational power at AC-23A, 500 V, 50 Hz
7.5 kW
Rated operational power at AC-23A, 690 V, 50 Hz
5.5 kW
Rated operational power star-delta at 220/230 V, 50 Hz
5.5 kW
Rated operational power star-delta at 380/400 V, 50 Hz
7.5 kW
Rated operational power star-delta at 500 V, 50 Hz
7.5 kW
Rated operational power star-delta at 690 V, 50 Hz
5.5 kW
Rated operational voltage (Ue) at AC - max
690 V
Rated uninterrupted current (Iu)
20 A
Uninterrupted current
Rated uninterrupted current Iu is specified for max. cross-section.
Short-circuit rating
Rated conditional short-circuit current (Iq)
6 kA
Rated short-time withstand current (Icw)
320 A, Contacts, 1 second
Short-circuit current rating (basic rating)
5 kA, SCCR (UL/CSA)
50A, max. Fuse, SCCR (UL/CSA)
Short-circuit current rating (high fault)
20 A, Class J, max. Fuse, SCCR (UL/CSA)
10 kA, SCCR (UL/CSA)
Short-circuit protection rating
20 A gG/gL, Fuse, Contacts
Switching capacity
Load rating
1.6 x Iₑ (with intermittent operation class 12, 40 % duty factor)
1.3 x Iₑ (with intermittent operation class 12, 60 % duty factor)
2 x Iₑ (with intermittent operation class 12, 25 % duty factor)
Number of contacts in series at DC-21A, 240 V
1
Number of contacts in series at DC-23A, 24 V
1
Number of contacts in series at DC-23A, 48 V
2
Number of contacts in series at DC-23A, 60 V
3
Number of contacts in series at DC-23A, 120 V
3
Number of contacts in series at DC-23A, 240 V
5
Switching capacity (main contacts, general use)
16 A, Rated uninterrupted current max. (UL/CSA)
Switching capacity (auxiliary contacts, general use)
10A, IU, (UL/CSA)
Switching capacity (auxiliary contacts, pilot duty)
A600 (UL/CSA)
P300 (UL/CSA)
Rated making capacity up to 690 V (cos phi to IEC/EN 60947-3)
130 A
Voltage per contact pair in series
60 V
Motor rating
Assigned motor power at 115/120 V, 60 Hz, 1-phase
0.5 HP
Assigned motor power at 200/208 V, 60 Hz, 1-phase
1 HP
Assigned motor power at 200/208 V, 60 Hz, 3-phase
3 HP
Assigned motor power at 230/240 V, 60 Hz, 1-phase
1.5 HP
Assigned motor power at 230/240 V, 60 Hz, 3-phase
3 HP
Assigned motor power at 460/480 V, 60 Hz, 3-phase
7.5 HP
Assigned motor power at 575/600 V, 60 Hz, 3-phase
7.5 HP
Contacts
Control circuit reliability
1 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 contacts
4
Actuator
Actuator function
With 0 (Off) position
Maintained
Actuator type
Short thumb-grip
Design verification
Equipment heat dissipation, current-dependent Pvid
0 W
Heat dissipation capacity Pdiss
0 W
Heat dissipation per pole, current-dependent Pvid
0.6 W
Rated operational current for specified heat dissipation (In)
20 A
Static heat dissipation, non-current-dependent Pvs
0 W
10.2.2 Corrosion resistance
Meets the product standard's requirements.
10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard's requirements.
10.2.3.2 Verification of resistance of insulating materials to normal heat
Meets the product standard's requirements.
10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects
Meets the product standard's requirements.
10.2.4 Resistance to ultra-violet (UV) radiation
UV resistance only in connection with protective shield.
10.2.5 Lifting
Does not apply, since the entire switchgear needs to be evaluated.
10.2.6 Mechanical impact
Does not apply, since the entire switchgear needs to be evaluated.
10.2.7 Inscriptions
Meets the product standard's requirements.
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
Does not apply, since the entire switchgear needs to be evaluated.
10.7 Internal electrical circuits and connections
Is the panel builder's responsibility.
10.8 Connections for external conductors
Is the panel builder's responsibility.
10.9.2 Power-frequency electric strength
Is the panel builder's responsibility.
10.9.3 Impulse withstand voltage
Is the panel builder's responsibility.
10.9.4 Testing of enclosures made of insulating material
Is the panel builder's responsibility.
10.10 Temperature rise
The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
10.11 Short-circuit rating
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.12 Electromagnetic compatibility
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function
The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.

Technical data ETIM 8.0

Low-voltage industrial components (EG000017) / Off-load switch (EC001105)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Off-load switch, circuit breaker, control switch / Changeover switch (ecl@ss10.0.1-27-37-14-05 [AKF062013])
Model
On/Off switch
Number of poles
3
With zero (off) position
Yes
With retraction in 0-position
No
Rated permanent current Iu
20 A
Rated operation current Ie at AC-3, 400 V
11.5 A
Rated operation power at AC-3, 400 V
4 kW
Degree of protection (IP), front side
IP65
Degree of protection (NEMA), front side
12
Number of auxiliary contacts as normally closed contact
0
Number of auxiliary contacts as normally open contact
0
Number of auxiliary contacts as change-over contact
0
Suitable for floor mounting
Yes
Suitable for front mounting
No
Suitable for distribution board installation
No
Suitable for intermediate mounting
Yes
Complete device in housing
No
Material housing
Plastic
Type of control element
Short thumb-grip
Type of electrical connection of main circuit
Screw connection