DF-A classification (KEMA-certificate)

DF-A cubicle contains a load isolating switch and an earth switch

1. Load break switch
Test	Specification	Test results
Insulating level	IEC 60265.1 IEC 60298 IEC 60694	Power-frequency withstand voltage 1 min. to earth and between phases: 38 kV over the insulating distance: 45 kV Lightning-impulse withstand voltage 1.2/50 µsec 15 positive and 15 negative impulses per phase to earth and between phases: 95 kV over the insulating distance: 110 kV
Rated making and breaking capacity	IEC 60129 IEC 60265.1	Component		Temperature rise
				Allowed	Measured
		Pole terminals		65°C	47,5°C
		Bus bar sets		65°C	59°C
	IEC 60265.1	Nominal current 800 A Short-time current 25 kA / 1 sec.
	IEC 60265.1 Klasse E3	Number of switchings:	Type of switchings:	Current (Ampere):	Cos f:
	Function 1 (100 % In)	100	C(O)	800	0.7
	Function 2 (5 % In)	20	C(O)	42	0.7
	Function 2a	20	C(O)	800	0.7
	Function 4a (100 %)	10	C(O)	18	Cap
	Function 4a (30 %)	10	C(O)	5	Cap
	Function 5	5	C	63000	0.7
	Function 6a	10	C(O)	100	0.7
	Function 6b	10	C(O)	30	0.7
Mechanical endurance test	IEC 60265.1 IEC 60298	1000 operations
2. Earthing switch EM 20
Test	Specification	Test results
Rated making and breaking capacity	IEC 60129	Peak value of the current 50 kA/17,5 kV - 63 kA/12 kV Short-term current 20 kA/1 sec. bij 17,5 kV - 25 kA/1 sec. at 12 kV
	IEC 60129	Number of switchings:	Type of switchings:	Current (Ampere):	Cos f:
	17,5 kV	5	C	50000	0,7
	12 kV	2	C	63000	0,7
Mechanical endurance test	IEC 60129 IEC 60298	1000 switchings
3. Cubicle
Test	Specification	Test results
Internal arc (Pehla)	IEC 60298 Appendix AA	16 kA / 1 sec. Complied with all 6 criteria
Test no interruption	EDF HN 64 S 41 § 7.106.1	14 kA / 1 sec.
Degree of protection	IEC 60298	IP4X
Just-operate value voltage indicators	IEC 1243/5	Deba nv VDS complies with all requirements of the standard

DF-P classification (KEMA certificate)

DF-P contains a switch/fuse combination and an earthing switch

1. Switch/fuse combination
Test	Specificatio,	Test results
Insulating level	IEC 60420 IEC 60298 IEC 60694	Power-frequency withstand voltage 1 min. to earth and between phases: 38 kV over the insulating distance: 45 kV Lightning-impulse withstand voltage 1.2/50 µsec 15 positive and 15 negative impulses per phase to earth and between phases: 95 kV over the insulating distance: 110 kV
Rated making and breaking capacity	IEC 60129 IEC 60120 IEC 60298	Component		Temperature rise
				Allowed	Measured
		Fuse bottom		65°C	47,5°C
		Fuse top		65°C	59°C
	IEC 60420	Nominal current 63 A
	IEC 60420	Number of switchings:	Type of switchings:	Current (Ampere):	Cos f:
	Function 1	100	C(O)	800	0.7
	Function 1	20	C(O)	42	0.7
	Function 2	20	C(O)	800	0.7
	Function 2	10	C(O)	18	Cap
	Function 3 deel 1	10	C(O)	5	Cap
	Function 3 deel 2	5	C	63000	0.7
	Function 4	10	C(O)	100	0.7
Mechanical endurance test	IEC 60420 IEC 60298	1000 switchings
Testing the mechanical switch/fuse combination	IEC 60420 clause 6.106	1000 switchings
2. Earthing switch EM 20
Test	Specification	Test results
Rated making and breaking capacity	IEC 60129	Peak value of the current 50 kA/17,5 kV - 63 kA/12 kV Short-term current 20 kA/1 sec. bij 17,5 kV - 25 kA/1 sec. bij 12 kV
	IEC 60129	Number of switchings:	Type of switchings:	Current (Ampere):	Cos:
	17,5 kV	5	C	50000	0,7
	12 kV	2	C	63000	0,7
Mechanical endurance test	IEC 60129	1000 switchings EM 20 above the fuses 1000 switchings AE 20 below the fuses
3. Cubicle
Test	Specification	Test results
Internal arc (Pehla)	IEC 60298 Appendix AA	16 kA / 1 sec. Complied with all 6 criteria
Test no interruption	EDF HN 64 S 41 § 7.106.1	14 kA / 1 sec.
Degree of protection	IEC 60298	IP4X
Just-operate value voltage indicators	IEC 1243/5	Deba nv VDS complies with all requirements of the standard

DF-D classification (KEMA-certificate)

DF-D cubicle contains a load isolating switch, a circuit breaker, and an earth switch