RP Series Fuse Disconnectors Manufacturer

Fuse disconnectors of RP series

The RP Series Fuse Disconnectors are designed for making, carrying and breaking rated currents in low-voltage AC distribution systems. They are suitable for infrequent manual operation and provide reliable circuit isolation as well as overload and short-circuit protection when used with appropriate fuse links.

The switches are intended for AC power distribution circuits with a frequency of 50Hz, rated operating voltage up to 500V, and rated current up to 1600A. They are widely used as incoming switches, feeder switches and isolation devices in electrical distribution equipment.

The visible open-contact design ensures safe maintenance and operation, making the RP series an effective solution for industrial, commercial and infrastructure power distribution systems.

Description

Product representative image

Scope of Application

The heavy-duty RP Series Fuse Disconnectors are professionally designed, manufactured, and optimized for efficiently making, carrying, and breaking rated currents in modern low-voltage AC electrical distribution systems. They are perfectly suitable for infrequent manual operation under normal and abnormal conditions, providing highly reliable, secure circuit isolation as well as comprehensive overload and short-circuit protection when utilized with appropriate, high-quality industrial fuse links.

These robust switch-disconnectors are specifically intended for demanding AC power distribution networks and branching circuits with a standard operational frequency of 50Hz, a maximum rated operating voltage up to 500V, and a high rated current reaching up to 1600A. Due to their exceptional thermal and mechanical stability, they are widely deployed as primary incoming main switches, downstream branch feeder switches, and mandatory safety isolation devices inside low-voltage switchgears, control panels, and electrical distribution equipment.

Furthermore, the prominent, highly intuitive visible open-contact design ensures maximum physical safety during routine maintenance and emergency operations by providing personnel with a clear, undeniable optical confirmation of the completely isolated circuit state. This advanced safety mechanism makes the versatile RP series an exceptionally safe, cost-effective, and dependable solution for heavy industrial plants, large commercial complexes, and critical public infrastructure power distribution systems worldwide.

Application Scenarios

The RP Series Fuse Disconnectors are widely used in low-voltage power distribution systems where reliable switching, isolation and short-circuit protection are required.

Industrial Power Distribution

Installed in distribution panels, motor control centers and industrial switchboards to provide safe isolation and circuit protection for machinery and production equipment.

Commercial Buildings

Used in shopping centers, office buildings, hotels, hospitals and public facilities as incoming and feeder switches in electrical distribution systems.

Power Utilities and Infrastructure

Suitable for substations, electrical distribution stations, transportation systems, telecommunications facilities and municipal engineering projects.

Renewable Energy Systems

Applied in photovoltaic power generation systems, energy storage installations and generator distribution panels for power isolation and fault protection.

Heavy-Duty Industrial Applications

Designed for demanding operating environments requiring high current carrying capacity, reliable mechanical strength and visible isolation.

Normal working conditions

To ensure reliable operation, the RP Series Fuse Disconnectors should be used under the following conditions:

Ambient temperature: -60°C to +40°C

Altitude: not exceeding 2000 m above sea level

Relative humidity suitable for electrical equipment without condensation

Installation environment free from explosive gases, conductive dust and corrosive substances

Protected from direct rain, snow and ice

Installed in electrical cabinets, switchboards or other protected enclosures

Frequency: 50Hz AC

Pollution degree and installation category in accordance with applicable low-voltage switchgear standards

The product is suitable for operation in harsh climatic conditions and industrial environments.

Structural Features
Fuse disconnectors of RP series

Type and Meaning
Fuse disconnector RP Х₁-Х₂Х₃/2Х₄-Х₅ …А-Х₆Х₇-UHL3-X₈

Fuse disconnector	-Product group
RP	-Series
X₁	-Type of manual drive: Б-lateral displaced handle;C-front displaced handle; Ц-central drive
X₂X₃	-Designation of conventional thermal current:1-100 A;2-250 A;4-400 A;6-630 A;10-1000 A;16-1600 A
2	-Shaft length-205 mm
X₄	-Drive version:L-left;P-right
X₅…A	-Rated current,A:100;250;400;630;1000;1600
X₆X₇	-Completeness with fusible inserts:Without PV-without fusible inserts;PV-with fusible inserts
UHL3	-Climatic category and category of placement
X₈	-Type of acceptance:AES,PZ,REG

Technical Specifications
The RP Series Fuse Disconnectors combine reliable switching performance with effective overcurrent protection through NH-type fuse links.

Item	Specification
Product Type	Fuse Disconnector
Rated Current	100A – 1600A
Rated Operational Voltage (Ue)	AC 500V
Rated Frequency	50Hz and 60Hz
Rated Insulation Voltage (Ui)	Up to 1000V
Number of Poles	1P, 2P, 3P, 4P
Protection Degree	IP00
Fuse Type	NH Fuse Links
Contact Material	Electrical Grade Copper
Operating Method	Manual Operation
Visible Isolation	Yes
Compliance Standard	GOST R 50030.3
Certification	EAC

External appearance and installation dimensions
Fuse disconnectors of RP series

Typical version	Dimention,mm																	Weight,not more,kg

	A	A1	A2	a	a1	B	B1	B2	B3	B4	b	b1	d	h	L	L1	I	w/o fuse inserts	with fuse
																			inserts
RPS-1	230	330	85	17	17	364	299	319	156	10	154	87	9	172	264	336.5	180	4	4.9
RPS-2							315	340	166.5	12.5	164			190				4.8	6.32
RPS-4							359	384	185	12.5	154			193				5.8	8.3
RPS-6	300	345	120	11.5	20	368	380.5	416.5	177	18	173	90		205	340	420	225	7.8	10.5

Typical version	Dimention,mm														Weight,kg
Typical version	A	A1	A2	L	L1	B	B1	B2	I	I1	b1	b2	d	d1	Weight,kg
RPB-1	230	330	85	264	336.5	364	299	319	180	197.5	154	160	9	20	4.9
RPB-2							315	340			164	170.5		25	7.51
RPB-4							359	384			154	179		25	9.2
RPB-6	300	345	120	380	439.5	368	380.5	416.5	225	242.5	173	184.5		35	11.05

Typical version	Conditional heat current	Dimention,mm Weight,
Typical version	Conditional heat current	B1	B2	kg
RPC-1	100	299	319	49
RPC-2	250	315	340	632
RPC-4	400	359	384	83