Retrofit Actuators

Background

Long Controls Ltd range of non-intrusive retrofit actuators offer a cost effective alternative versus asset replacement. Thereby extending asset life of existing equipment and providing a seamless upgrade path to facilitate network automation and remote control.

Features & Benefits

LH & RH for both single and double switch applications
Common hardware operating principle
Proven and reliable actuator assembly
Fully interoperable across many SCADA manufacturers, using LCL's simple operating principles of zero interface circuits or on-board software
Extensive use of stainless steel, suitable for indoor & outdoor applications
Equipment can be fitted to switchgear whilst energised

Technical Details

Manual override
Provide open & close operations on ring switches
Volt-free "Open" & "Close" ring switch indications provided for future SCADA requirements. (earth indication available on some designs)
Robust electro-mechanical microswitches
Standard 24V actuator supply voltage
Operations achieved in less than 10 seconds
Rotary actuators designed with sheer pin for the prevention of damage to parent unit

Actuator Production Range

Long & Crawford

Brush/South Wales Switchgear

Long & Crawford

T3/T4GF3 oil insulated RMU
J3/4 oil insulated single switch
R3/4 oil insulated double switch
T3GF oil insulated RMU (early version)
LCGT SF6 insulated RMU

Lucy Switchgear

Brush/South Wales Switchgear

Long & Crawford

FRMU oil insulated RMU
VRN2 SF6 insulated RMU
VRN2a SF6 insulated RMU

Brush/South Wales Switchgear

NSM oil insulated RMU
Falcon Beta SF6 RMU
DRT4

Reyrolle

Schneider/Merlin Gerin/YSE

Brush/South Wales Switchgear

ROKSS oil insulated RMU
LMI oil insulated RMU
IMS oil insulated switch

Schneider/Merlin Gerin/YSE

Ringmaster SF6 insulated RMU
RN2 SF6 insulated RMU
SE6 SF6 insulated single switch
CE2 SF6 insulated single circuit breaker
CE6 SF6 insulated single circuit breaker
RN2C SF6 insulated RMU
TYKE MK1 (YSE) oil insulated RMU
TYKE MK2 (YSE) oil insulated RMU
FMS MK1 (YSE) oil insulated single switch
FMS MK2 (YSE) oil insulated single switch

Tamco

Schneider/Merlin Gerin/YSE

Beta2 SF6 insulated RMU