China PRW Surge Arrester Manufacture and Factory

PRW Surge Arrester

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PRW Surge Arrester

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PRW Surge Arrester

Outdoor drop type fusesare suitable for 35kV and below voltage andfrequency 50Hz power systems,used for overloadand shortcircuit protection of transmission lines and power transformers,and for breaking and closing rated load current.
The drop type fuse consists of an insulation bracket and a fusetube,with static contacts installed at both ends of theinsulationbracket and dynamic contactsinstalledat both ends of the fuse tube.Thefuse tube consists of an inner arc extinguishingtube andan outer phenolic paper tube orepoxy glass cloth tube.

Product Details

Outdoor drop type fuses are suitable for 35kV and below voltage and frequency 50Hz power systems, used for overload and short

circuit protection of transmission lines and power transformers, and for breaking and closing rated load current.

The drop type fuse consists of an insulation bracket and a fuse tube, with static contacts installed at both ends of the insulation

bracket and dynamic contacts installed at both ends of the fuse tube. The fuse tube consists of an inner arc extinguishing tube and

an outer phenolic paper tube or epoxy glass cloth tube.

Selection

Operating conditions

1. Suitable for environments with an upper limit of 40 ℃ and a lower limit of -30 ℃.

2. Altitude not exceeding 1000m, wind speed not exceeding 35m/s

3. Fuses are not suitable for the following locations

3.1 Places with fuel or explosion hazards.

3.2 Places with severe vibration or impact.

3.3 Areas with abnormal electrochemical gas effects and severe air pollution and smoke

Technical data parameter of porcelain housed fuse

Type	Rated voltage (kV)	Rated current (A)	Breaking current (A)	Impulse voltage (kV)	Power frequency withstand voltage (kV)	Creepage distance (mm)	Weight (kg)	Dimension (cm)
PRW1-11	11	100	10000	110	40	250	7.2	38.5×34.5×10.5
PRW1-11	11	200	12000	110	40	250	7.4	38.5×34.5×10.5
PRW1-15	15	100	10000	125	45	350	10	50×36×11
PRW1-15	15	200	12000	125	45	350	10	50×36×11
PRW1-24	24	100	10000	150	65	540	12	51×35×14
PRW1-24	24	200	12000	150	65	540	12	51×35×14
PRW1-27	27	100	10000	170	70	700	15	51×38×14.5
PRW1-27	27	200	12000	170	70	700	15	51×38×14.5
PRW1-33	33	100	10000	170	80	700	15	51×38×14.5
PRW1-33	33	200	12000	170	80	700	15	51×38×14.5
PRW1-36	36	100	10000	170	80	720	16	66×38×14.5
PRW1-36	36	200	12000	170	80	720	16	66×38×14.5
PRW2-11	11	100	10000	110	40	250	7.2	38.5×34.5×10.5
PRW2-11	11	200	12000	110	40	250	7.4	38.5×34.5×10.5
PRW2-15	15	100	10000	125	45	350	10	50×36×11
PRW2-15	15	200	12000	125	45	350	10	50×36×11
PRW2-24	24	100	10000	150	65	540	12	51×35×14
PRW2-24	24	200	12000	150	65	540	12	51×35×14
PRW2-27	27	100	10000	170	70	700	15	51×38×14.5
PRW2-27	27	200	12000	170	70	700	15	51×38×14.5
PRW2-33	33	100	10000	170	80	700	15	51×38×14.5
PRW2-33	33	200	12000	170	80	700	15	51×38×14.5
PRW2-36	36	100	10000	170	80	720	16	66×38×14.5
PRW2-36	36	200	12000	170	80	720	16	66×38×14.5