3-PHASE TRANSFORMERS PROTECTION ISOLATION AND SAFETY protection transformers

3EI core, pursuant to:	STN EN 61558-2-4
	STN EN 61558-2-6
Standard type:	3x400//3x230V
	3x400//3x400V
Connection:	YNyn0, Dd0, Dyn1

 

 

IP 00, or IP 23 sheet-box
Type	Cap. VA	A	B	C	D	E	F	G	H	I	Weight kg
T3N-3	1000	230	107	215	185	85	10	18	95	270	11,6
T3N-3	1500	230	117	215	185	95	10	18	105	270	18,0
T3N-3	2000	300	122	269	224	95	10	18	105	310	22,0
T3N-3	3150	300	135	269	224	107	10	18	119	310	33,0
T3N-3	4000	300	147	269	224	119	10	18	130	320	43,3
T3N-3	5000	360	220	360	310	140	12	20	220	380	48,5
T3N-8	6300	360	220	360	310	160	12	20	220	380	66,0
T3N-8	8000	425	205	365	280	155	12	20	205	410	70,5
T3N-8	10000	425	235	365	280	185	12	20	235	410	89,0
T3N-12,5	15000	425	246	365	280	196	12	20	246	410	115,0
T3N-12,5	17000	475	225	445	355	185	13	20	225	450	165,0
T3N-12,5	20000	475	255	445	355	215	13	20	255	450	198,0
We produce also atypical transformation ratios in accordance with customer’s requirements.

 

THERMAL CLASS:	B
ELECTRIC RESISTANCE:	PRI / SEC / KOSTRA 4,75kV 50Hz
SHORT-CIRCUIT RESISTANCE:	NOT RESISTANT
HEATING:	85°C
PROTECTION CLASS:	I.
PROTECTION:	IP00 – IP23
AMBIENT TEMPERATURE:	-10°C to +35°C

 

 

Remarks:

the manufacturer recommends protection by 3-phase fuses as mentioned on the plate at a customer’s desire, a thermal fuse to 130 °C returnable or non-returnable can be installed technical changes as well as transformation ratios can be made in accordance with customer's requirements