IEC Standard Single Phase Outdoor Capacitor Vacuum Switch-15kV 27kV

Attributes Description Documentation Resource Library

Key attributes

Brand	ROCKWILL
Series	RCS
Rated voltage	15kV 27kV
Rated current	630/800/1250 A
Rated frequency	50/60Hz

Description

The RCS Series Single-Phase Outdoor Capacitor Switch is a new-generation vacuum switch designed for long mechanical life, primarily used for switching single-phase capacitor banks in distribution networks. With advanced insulation technology and a compact, lightweight design, it supports maintenance-free operation (mechanical life up to 100,000 operations).

Complying with multiple international standards, it ensures reliable performance in harsh outdoor environments, helping users reduce maintenance costs and improve power supply reliability.

Product Showcase Video

Product structure

The core structure of the RCS series outdoor capacitor switch consists of a vacuum interrupter, drive mechanism, incoming/outgoing terminals, insulation and protection components, and an optional intelligent controller:

Vacuum Interrupter: Utilizes APG (Automated Pressure Gelation) process combined with silicone rubber coating, directly connected to the main terminal. This design reduces losses and enhances both insulation performance and weather resistance.
Drive Mechanism: Includes three types—magnetic latching (long life), spring-driven (economical), and motor-spring (high capacity)—to meet various requirements for lifespan and cost.
Incoming/Outgoing Terminals: Made of T2 copper, with modular bushingtype terminations for easy installation and maintenance
Insulation & Protection: Equipped as standard with IP64-rated waterproof joints and high-grade insulating parts, suitable for harsh outdoor environments.
Intelligent Controller : Supports multiple communication protocols and remote monitoring, enabling automated switching operations.
The overall design emphasizes compact structure, simplified transmission, high reliability, and low energy consumption, covering a wide range of applications from economical to long-life, high-capacity solutions.

Controller

Capacitor switch controller features

Single Phase Outdoor Capacitor Vacuum Switch 15kV 27kV

RWK-252H Capacitor Switch controller Cooperate with Reactive power compensation device or manual operation，to implement the switch of the Capacitor. The controller can record, self-inspection event, device start event, device action event.

Main technical parameters

No.	Item		Unit	Data
1	Rated voltage		kV	15/27
2	Rated current		A	630/800/1250
3	Rated frequency		Hz	50/60
4	Power frequency 1min	Dry	kV	60/79
4	Power frequency 1min	Wet	kV	55/65
5	Lightning impulse withstand voltage(peak value)alternate, opposite/fracture		kV	110/125/150
6	Rated short circuit breaking current		kA	16/20(25*)
7	Rated short current switching current(peak value)		kA	40/50/(63*)
8	Rated peak value withstand current		kA	40/50/(63*)
9	4S short time withstand current		kA	16/20(25*)
10	Rated operating circulate		-	O-0.3S-CO-180S-CO
11	Breaking current frequency under rated short circuit		times	30
12	Single capacitor breaking		A	630
13	Back to back capacitor bank breaking		A	400
14	Mechanism life		times	30,000
15	Secondary loop 1 min power frequency withstand voltage		kV	2

Outline & Sizes for RCS capacitor switch controller

Outline Dimensions and Specifications of RCS-1

Using condition

Ambient temperature: -40℃~+85℃, day temperature difference: 25℃；
Altitude:≤1000m area;
Wind speed no exceeds 35m/s;
No normally intensity vibration No intensity erosion gas, medium place (for example acid, alkali, smother eq.)
Pollution class: IV class;
Charge temperature -40℃~+85℃

Documentation Resource Library Capacitor Vacuum Switch

Public.

RCS-1 Outdoor Capacitor Vacuum Switch FLYER

Brochure

English

PDF

Restricted.

RCS Outdoor Capacitor Switch

Catalogue

English

PDF

Public.

Rockwill Electric Group Profile

Brochure

English

PDF

Certifications Capacitor Vacuum Switch

FAQ for Capacitor Vacuum Switch

What international standards and certifications does the product meet ?

The series complies with IEEE C37.66, IEC 62271‑100, and GB1984‑2024. Products have passed rigorous testing for high humidity, high pollution, and harsh climate conditions, which helps meet utility specifications and reduces the risk of non‑compliance or premature failure.

What are the operating‑environment limits, and can it be used in high‑pollution or extreme‑temperature regions?

The RCS series is rated for ambient temperatures from –40 °C to +85 °C (max daily temperature difference 25 °C), altitudes ≤1000 m, wind speeds ≤35 m/s, and pollution Class IV (acid/alkali/salt‑fog medium). Standard IP64‑rated joints and silicone‑rubber coating ensure reliable performance in harsh outdoor conditions.

What is the expected service life, and how does it reduce total cost of ownership?

All models are maintenance‑free with up to 100,000 mechanical operations (magnetic latching type). This significantly lowers inspection frequency and downtime, directly improving capacitor‑bank availability and reducing long‑term operational expenditure.

$2750.00

Pricing calculator

PDF

RCS-1 Outdoor Capacitor Vacuum Switch FLYER

PDF

Rockwill Electric Group Profile

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Whole life care manager

Whole-life care management services for equipment procurement, use, maintenance, and after-sales, ensuring safe operation of electrical equipment, continuous control, and worry-free electricity consumption.

The equipment supplier has passed platform qualification certification and technical evaluation, ensuring compliance, professionalism, and reliability from the source.