General specifications
Product name
Eaton DDC Insulated enclosure
Part no.
DDC-630/2-SK
EAN
8711426102316
Product Length/Depth
240 millimetre
Product height
129 millimetre
Product width
127 millimetre
Product weight
5 kilogram
Certifications
VDE 0660
IEC/EN 60947-3
IEC/EN 60204
CE
RoHS
IEC/EN 60947
Product Tradename
DDC
Product Type
Insulated enclosure
Product Sub Type
None
Catalog Notes
Rated Short-time Withstand Current (Icw) for a time of 1 second
Without rotary handle and drive shaft
Features & Functions
Actuator color
Other
Actuator type
Other
Features
Version as main switch
Version as maintenance-/service switch
Functions
Optional Stop Function
Number of poles
Two-pole
General information
Accessories
Auxiliary contact fitted by user.
Degree of protection
NEMA Other
Degree of protection (front side)
IP20
Lifespan, mechanical
10,000 Operations
Mounting method
Rear mounting
Mounting position
As required
Overvoltage category
III
Pollution degree
3
Product Category
DC switch-disconnector
Main switch
Rated impulse withstand voltage (Uimp)
12000 V
Suitable for
Ground mounting
Climatic environmental conditions
Ambient operating temperature - min
-25 °C
Ambient operating temperature - max
55 °C
Ambient storage temperature - min
-30 °C
Ambient storage temperature - max
80 °C
Terminal capacities
Terminal capacity
2 x (40 x 5) mm² , Flat conductor connection with busbars
2 x 185 mm², solid
Screw size
M10, Terminal screw
Tightening torque
20 Nm, Screw terminals
Electrical rating
Rated operational current (Ie) at DC-21B, 1000 V
630 A
Rated operational current (Ie) at DC-21B, 480 V
630 A
Rated operational current (Ie) at DC-21B, 600 V
630 A
Rated operational power at AC-23A, 400 V, 50 Hz
0 kW
Rated operational power at AC-3, 380/400 V, 50 Hz
0 kW
Rated uninterrupted current (Iu)
630 A
Uninterrupted current
Rated uninterrupted current Iu is specified for max. cross-section.
Rated insulation voltage (Ui)
1200 V
Short-circuit rating
Rated conditional short-circuit current (Iq)
0 kA
Rated short-circuit making capacity (Icm)
25 kAeff
Rated short-time withstand current (Icw)
15 kA
15 kA, Contacts, 1 second
Contacts
Number of auxiliary contacts (change-over contacts)
0
Number of auxiliary contacts (normally closed contacts)
2
Number of auxiliary contacts (normally open contacts)
2
Design verification
Equipment heat dissipation, current-dependent Pvid
97 W
Heat dissipation capacity Pdiss
0 W
Heat dissipation per pole, current-dependent Pvid
97 W
Rated operational current for specified heat dissipation (In)
630 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
Meets the product standard's requirements.
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 9.0

Low-voltage industrial components (EG000017) / Switch disconnector (low voltage) (EC000216)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Off-load switch, circuit breaker, control switch / Switch disconnector (ecl@ss13-27-37-14-03 [AKF060018])
Version as main switch
Yes
Version as maintenance-/service switch
Yes
Version as safety switch
No
Version as emergency stop installation
No
Version as reversing switch
No
Number of switches
1
Max. rated operation voltage Ue AC
V
Rated operating voltage
1000 - 1000 V
Rated permanent current Iu
630 A
Rated permanent current at AC-23, 400 V
0 A
Rated permanent current at AC-21, 400 V
0 A
Rated operation power at AC-3, 400 V
0 kW
Rated short-time withstand current lcw
15 kA
Rated operation power at AC-23, 400 V
0 kW
Switching power at 400 V
0 kW
Conditioned rated short-circuit current Iq
0 kA
Number of poles
2
Number of auxiliary contacts as normally closed contact
2
Number of auxiliary contacts as normally open contact
2
Number of auxiliary contacts as change-over contact
0
Motor drive optional
No
Motor drive integrated
No
Voltage release optional
No
Device construction
Built-in device fixed built-in technique
Suitable for floor mounting
Yes
Suitable for front mounting 4-hole
No
Suitable for front mounting centre
No
Suitable for distribution board installation
No
Suitable for intermediate mounting
No
Colour control element
Other
Type of control element
Other
Interlockable
No
Type of electrical connection of main circuit
Screw connection
With pre-assembled cabling
No
Degree of protection (IP), front side
IP20
Degree of protection (NEMA)
Other
Width
127 mm
Height
129 mm
Depth
240 mm
Width in number of modular spacings