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R-SAVE Three-Phase Recloser

The R-SAVE three-phase recloser is a highly reliable automatic protection and switching device, developed to interrupt and restore circuits in electrical power distribution systems. The R-SAVE recloser has a short-circuit breaking capacity of up to 16 kA, ensuring safe performance even in systems with high short-circuit current levels. Designed to operate at different voltage levels, the equipment is suitable for 15.5 kV, 27 kV, and 38 kV networks, and can be applied in both overhead distribution networks and substations.

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Technical data

Application

The R-SAVE recloser, together with the C-SAVE control, was developed for use in overhead power distribution networks and substations, and is available for the 15.5kV, 27kV and 34.5kV classes.

Technical and specific characteristics

– Manual locking lever with safety padlock latch;

– Tested and approved according to IEC 62271-111 and IEEE C37.60;

– 6 integrated voltage sensors;

– 3 integrated current transformers;

– Assembly in stainless steel (304, 316) or carbon steel;

Proprietary software for oscillography analysis;

Proprietary software for generating customized operating logic;

Power quality module;

– Power supply voltage from 95Vac to 254Vac;

– Dual power supply for applications such as Self Healing or automatic transfer;

– Reclosing cycle – O – 0.3s – CO – 2s – CO – 2s – CO.

Technical Data

Technical Information

R-SAVE
Voltage Class (kV)

15.5KV

 27KV

38KV
Applicable Standards

IEC 62271-111:2019 | IEEE C37.60
Rated Current (A)

800
Nominal Frequency (Hz)

50/60
Mechanism Operation

10.000
Symmetrical Interrupting Capacity (kA)

16
Asymmetrical Establishment Current (kA)

41,6
Operating cycle

O – 0.3s – CO – 2s – CO – 2s – CO
Line Charging Current (A)

2

 5

5
Cable Charging Current (A)

10

 25

40
Basic Atmospheric Impulse Level (kV)

110

 125/150

170
Rated Withstand Voltage at Industrial Frequency (kV)

50

 60

70
Operating Temperature (°C)

-10 to +65
Humidity (%)

100
Altitude (m)

1.000

C-SAVE
Nominal voltage (AC)

90Vac to 254Vac
Power inputs

1 (2 entries upon request)
Frequency

50/60Hz
Current measurement range

3 A to 16,000 A
Current accuracy

5% or 1.5 A (whichever is greater)
Voltage accuracy

5% or 250V (whichever is greater)
Protection functions – Current

Instantaneous and Time-Delayed Phase Overcurrent (50/51P)

Instantaneous and Time-Delayed Ground Overcurrent (50/51G)

Instantaneous and Time-Delayed Sensitive Earth Overcurrent (50/51S)

Instantaneous and Time-Delayed Negative Sequence Overcurrent (50/51Q)

Time-Restricted Overcurrent with Voltage Restriction (51V)

Directional Phase Overcurrent (67P)

Directional Ground Overcurrent (67G)

Sensitive Ground Overcurrent Directional (67S)

Negative Sequence Directional Overcurrent (67Q)

Automatic Reconnection (79)

Zone Sequence Coordination (ZSC)

Single Shot (79SS)

Live Line Work Protection (HLT)

High Current Protection (HCL)

Protection against Magnetizing (Inrush) Currents

Protection against Energizing Currents (Cold Load Pickup)

Current Reversal or Imbalance (46)

Circuit Breaker Opening Failure (50BF)

Fault Locator (LOC_FAULT)
Protection functions – Voltage

Phase Undervoltage (27P)

Phase Overvoltage (59P)

Neutral Overvoltage (59N)

Negative Sequence Overvoltage (47)

Live Cargo
Protection functions – Frequency

Subfrequency (81U)

Overfrequency (81O)

Frequency Variation (81R)
Protection functions – Power

Sub power (32U)

Overpower (32O)
Protection functions – Other

Synchronization Check / Synchronization (25)

Sectionalizer (SECC)

Automatic Transfer (AT)

Notes and additional information

– CEMIG-approved recloser.

Downloads

  • No English downloads available.
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