Your Source for Power Distribution Protection & Automation Equipment - Shinsung Industrial Electric Co., Ltd : Load Break Switch, Recloser, Switchgear, HSSB

GENERAL FEATURES

UNDERGROUND LINE, Ring Main Unit, Fused Ring Main Unit (RMV6)

- Compact extensible unit combining different kinds of MV functional units to make a ring or radial network, for protecting transformers
- Fuse switch combination up to 1600 KVA
- Fuse switch combination with watch-dog function up to 1600 KVA
- C.B (200A)
- CB (630A) network CB
* Watch-dog functions are under request
- Line protection with 630A circuit breaker
- Network switching by load break switch
- SCADA mate : remote operation, voltage, current sensor, sensitive zero phase CT's
- Uses 2 switch LBS and one fuse switch combination with control
- Uses 2 CB and one dummy part with control
* Very fast transfer time – outage time can be below 1 cycle
- Compact : “All in one" units in a single stainless steel enclosure
- Extensible : Extensible to left and or right side without handling gases, no special tools

UNDERGROUND LINE, Ring Main Unit, Solid Insulation Pad LBS (SILB)

UNDERGROUND LINE, Ring Main Unit, Solid Insulation Pad LBS (SILB) TECHNICAL DATA
Description	SILB
Rated Maximum Voltage	27 kV
Rated Continuous Current	630 A
Making Current	12.5 kA
Short-time Withstand Current	12.5 kA / 1 sec
Impulse Withstand Voltage	150 kV
Power Frequency Withstand Voltage	60 kV / 1 min

UNDERGROUND LINE, Ring Main Unit, Ring Main Circuit Breaker (SMCB)

- 25.8kV, 630A and 12.5kA
- Combine puffer load break switches and vacuum fault interrupters
- Earthing switch, CT and voltage sensors
- Combined with SCADA-ready relay control
- Certified in accordance with IEC 60265-1, ANSI C37.60 (1981) and ANSI/IEEE C37.71 (1984)

UNDERGROUND LINE, Ring Main Unit, Ring Main Circuit Breaker (SMCB) TECHNICAL DATA
Description	SMCB-16	SMCB-26
Maximum System Voltage	15 Kv	25.8 kV
Rated Continuous Current	630 A	630 A
Electrical Operating Time of CB (Close/Open)	60/25 ms	60/25 ms
Electrical Operating Time of LBS (Close/Open)	700 ms	700 ms
Minimum Clearing Time of CB	2.7 cycle	2.7 cycle
Short Time Withstand Current (rms)	20 kA (4 sec)	12.5 kA (1sec)
Breaking Capacity of CB	20 kA	12.5 kA
Insulation Leve - Lightning Impulse Withstand Voltage	95 kV BIL	125 kV BIL

UNDERGROUND LINE, Ring Main Unit, SF6 Gas Pad LBS (SSPGS)

UNDERGROUND LINE, Ring Main Unit, SF6 Gas Pad LBS (SSPGS) TECHNICAL DATA
Description		SSPGS-16	SSPGS-26
Maximum System Voltage		15 Kv	25.8 kV
Rated Continuous Current		600 A	600 A
Rated Fault Making Current (peak)		52 kAp	32.5 kAp
Electrical Operating Time (Close/Open)		700 ms each	700 ms each
Number of Mechanical Operations (main)		5,000 times	5,000 times
Number of Mechanical Operations (ground)		1,000 times	1,000 times
Short Time Withstand Current (rms)		20 kA (4 sec)	12.5 kA (1sec)
Insulation Level	Lightning Impulse Withstand Voltage	95 kV BIL	125 kV BIL
	Power Frequency Withstand Voltage	50 kV	60 kV
	DC Voltage Withstand Voltage	53 kV	78 kV