High Impedance Differential
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1M123 High Impedance BUS Protection Rack
- Compact single tier BUS bar protection system
- Proven electro mechanical high impedance differential scheme
- Integrated 3 Phase Metrosils
- Integrated multi trip relay
- Optional trip supply supervision
- Pre assembled & wired in 4U high 19” sub rack
- High speed operation
- High sensitivity
- Wide range of settings
- High stability
- Made in Australia
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2C73 High Impedance Differential Relay
Obsolete- High speed operation
- High sensitivity
- Wide range of settings
- High stability
- Compact & cost effective design
- Use three units for three phase operation
- 50Hz & 60Hz versions
- Insensitive to DC
- Hand reset flag
- Rugged attracted armature sensing element
- Size 2M28 draw out case
- Made in Australia
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2V68-S BUS Bar CT Supervision & Shorting
- Low AC burden
- No external resistors required
- 3 latching N/O (Hand reset), alarm contacts
- 3 latching N/O (Hand reset), heavy duty buswire shorting contacts
- Optional harmonic filter – 50Hz or 60Hz
- Optional adjustable time delay
- Hand reset flag
- 62-250V DC auxiliary supply
- 44-230V AC auxiliary supply
- Optional 40-58V DC supply
- Auxiliary supply fail alarm
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2V73 High Impedance Differential Relay
- High speed operation
- High sensitivity
- Wide range of settings
- High stability
- Compact & cost effective design
- Use three units for three phase operation
- 50Hz & 60Hz versions
- Insensitive to DC
- Hand reset flag
- Rugged attracted armature sensing element
- Size 2M28 draw out case
- Made in Australia
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2V75 Metrosil / Resistor Module
- Compact & rugged construction
- Fully insulated module
- High energy rating
- Pre-wired with heavy duty stud terminals
- Optional high power stabilizing resistors with convective cooling ports
- Access for stabalizing resistor adjustment
- 6 inch Metrosils
- Suitable for high impedance differential BUS protection schemes
- Made in Australia
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6RA20 CT Shorting Relay
- Modular packaging
- Rack or flush mounting
- Draw out module
- M4 screw terminals
- Operating coils are available for 24, 30, 48, 110, 125, 220 & 250 Volts DC
- Contacts are of fine solid silver designed & manufactured to ensure low resistance & high reliability
- High isolation across open contacts
- High make and carry rating
- Custom labeling available
- High visibility electro mechanical flag indication
- Rugged modular construction
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