Automatic Vacuum Circuit Recloser
15-38 kV outdoor vacuum recloser for overhead distribution line protection, automatic reclosing, fault isolation and distribution automation projects. The recloser body fixes the interrupting duty; the controller layer fixes protection, communication and reclosing behavior.
Vacuum Recloser Ratings
The XIYA ACR guide lists DVZ15, DVZ27 and DVZ38 classes. Use the voltage class, rated current and short-circuit breaking current as the first selection layer, then confirm the controller and communication package.
15.5 kV line recloser class.
This class fits lower medium-voltage overhead distribution line and branch protection projects where the ACR must interrupt fault current and support automatic reclosing.
27 kV class with normal and higher insulation options.
The 27 kV table includes N models and H models. The H option raises BIL, P.F. withstand, creepage, phase-earth clearance and weight.
38 kV distribution line class.
The 38 kV class uses the higher insulation group in the XIYA table and is the top voltage class in the extracted product guide.
Confirm voltage class, current and breaking duty first. Then choose insulation group, CT or voltage sensing, mounting bracket, controller cabinet, communication protocol and destination standard.
Recloser Body and Controller
The body interrupts fault current with vacuum interrupters. The controller layer decides protection curves, reclosing attempts, records and communication, so the two layers must be confirmed separately.
Interruption layer
Vacuum interrupters and the actuator handle trip and close action for the three-phase line protection point.
Insulation layer
Hydrophobic epoxy resin housings, creepage distance and phase clearances are selected by voltage class.
Sensing layer
CT and voltage sensing options feed phase current, phase voltage and low-voltage supply values to the controller.
Manual interface
The visible red/green pointer and yellow hot-stick ring support field operation and state confirmation.
Protection and SCADA Package
On this ACR page, the controller is a required protection layer rather than a loose add-on. It turns the vacuum switching body into an automatic recloser with fault detection, reclosing, lockout and distribution automation communication.
Protection logic
Controller documentation lists instantaneous over-current, time over-current, negative sequence, directional over-current, over-voltage, under-voltage, EF/SEF, cold load pickup and hot line tag.
Reclosing behavior
Set reclosing times, dead time and curve behavior before quotation. The training material shows 1-4 reclose attempts and adjustable intervals in the software layer.
Communication
Controller documents list RS-232, RS-485, DNP3.0, Modbus, IEC 60870-5-101 and IEC 60870-5-104. The training file also references optional IEC61850, MQTT and multi-port configurations.
Records and software
The ZW32 material lists SOE, fault record and normal operation record. Training slides show data viewing, parameter setting, forwarding settings and transmission test pages.
Controller cabinet body
Use this cabinet layer for protection settings, trip and close command, event records, measurement data and communication interface. The cabinet is selected after the recloser body rating, CT or voltage sensing and utility protocol requirement are fixed.
Recloser control panel
Confirm protection groups, local operation, hot-line tag, lockout behavior, metering, event and counter functions before production. DNP3.0, Modbus and IEC101/104 should be treated as project configuration items, not assumed by default.
Feeder Reclosing Position
The topology separates the power path, CT/voltage sensing, trip-close control and DA/SCADA communication. The fault marker belongs downstream of the ACR, because the recloser protects the selected line or branch point rather than representing a whole-network outage.
Line sourceUpstream substation or overhead distribution line
ACR bodyVacuum interruption at the protection point
Downstream faultTrip, reclose, then lockout if fault remains
Protected loadsLateral, transformer or customer branch
Controller cabinetCT/VS sensing and trip-close command
DA / SCADAEvents, measurements and remote control
Line fault interruption
Use the ACR where the line point needs vacuum interruption of fault current rather than only load switching.
- Overhead distribution line protection
- Branch or lateral isolation
- Substation-adjacent outdoor installation
Automatic reclosing
The controller checks protection curves, dead time and reclose attempts. If the fault remains, the device locks out instead of repeatedly energizing the fault.
Distribution automation
SCADA or DA integration depends on communication protocol, I/O, power supply, site signal quality and utility settings.
ACR Review Documents
The selection notes below come from XIYA’s ACR guide and controller documentation. Ratings, protection functions and protocol options are kept in separate groups so buyers can verify the recloser body and controller package before RFQ. The page is reviewed by XIYA POWER sales engineering; for manufacturer background, see About XIYA POWER.
Documents the DVZ15, DVZ27 and DVZ38 rating table, recloser overview and mounting dimensions.
Documents protection, communication, pole, mechanism and accessory selection notes.
Documents HMI pages, software settings, forwarding, records and detailed protection function names.
DVZ15 / DVZ27 / DVZ38 classes
The specification section uses the XIYA product guide table rather than mixing in broader unsupported ratings.
Protection and reclose settings
Protection curves, reclosing times, dead time, event records and protocol options come from controller documentation.
Confirm before production
Mounting bracket, PT supply, surge arrester, terminals, voltage shields and aviation cable should be confirmed before order release.
ACR Selection FAQ
What is an automatic vacuum circuit recloser?
It is a pole-mounted outdoor switching and protection device that interrupts line faults, recloses according to controller settings and locks out when the fault remains.
How is it different from a load break switch?
A load break switch is mainly for load current switching and sectionalizing. If the project needs fault-current interruption, protection curves and automatic reclosing, compare the ACR equipment type instead of the Pole-Mounted SF6 Load Break Switch (IACT).
How is it different from a smart drop-out fuse?
A Smart Drop-Out Fuse keeps a fuse-point architecture and adds motorized operation or monitoring. A vacuum ACR is a three-phase line protection device with vacuum interrupters, controller protection logic and reclosing sequences.
How is it different from a cutout single-phase recloser?
The Cutout Single-Phase Recloser is for cutout-mounted single-phase branch points. The ACR page covers three-phase line-level vacuum interruption and controller-based distribution automation.
Where does a user boundary switch fit instead?
A User Boundary Switch is selected at customer demarcation points for user-side fault isolation. A three-phase ACR is used for broader line protection and automatic reclosing.
What should be sent for quotation?
Send voltage class, rated current, breaking current, line diagram, fault duty, CT or voltage sensor requirement, controller protocol, SCADA interface, pole installation photo or drawing, quantity and destination standard.
Feeder ACR RFQ Data
USD 2,500-18,000 reference range is an indicative FOB equipment range for early budgeting. The final quote depends on rating class, controller package, quantity, destination and utility standard. Start with voltage class, rated current, short-circuit duty, line role, pole arrangement, CT/voltage sensing, communication protocol and destination standard. Datasheets, wiring drawings, controller settings and inspection documents can be reviewed during quotation. To compare adjacent Smart Grid devices, return to the Smart Grid equipment hub, review the Pole-Mounted SF6 Load Break Switch (IACT), compare User Boundary Switch or check Smart Drop-Out Fuse for fuse-point protection. For manufacturer background, see About XIYA POWER.