Current Protection
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2C138 Sensitive Earth Fault Relay
- High sensitivity (0.1% of Is)
- 2nd & 3rd harmonic & HF noise suppression
- Tuned to 50 Hz or 60 Hz
- Optional reset functions: Instantaneous (Fast), definite time, count down
- 40-300V DC aux. supply
- 20-70V DC aux. optional
- Low CT burden & high thermal rating
- Optional 1A or 5A CT input
- Instantaneous pick up LED
- Configurable output contacts
- 0-31s time delay (125ms steps)
- Push button / electrical flag reset
- Non-volatile trip indication
- Multi voltage inhibit / enable input
- Multi voltage flag reset input
- Auxiliary supply fail alarm
- Flush or rack mount draw out case
- Made in Australia
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2C139 Shaft Overcurrent Protection Relay
- High sensitivity (0.1% of In)
- Tuned to 150 Hz or 180 Hz
- Fundamental & HF noise suppression
- Optional reset functions Instantaneous (Fast), definite time, count down
- 40-300V DC auxiliary supply Power supply fail relay drops out if the auxiliary supply fails.
- Optional 20-70V DC supply
- Low CT burden & high thermal rating
- Optional 1A or 5A CT input
- Instantaneous pick up LED
- Configurable output contacts
- 0-31s time delay (125ms steps)
- Push button / electrical flag reset
- Non-volatile trip indication
- Multi voltage inhibit / enable & flag reset inputs
- Size 2M draw out case
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2C63 Definite Time Current Check Relay
- 10:1 PU setting ranges. Select from two options: 5 - 50% or 20 - 200% of nominal input current
- 1A or 5A nominal CT’s
- Fast reset times (less than 15ms at 20x setting, repeated offset)
- <5% transient over-reach
- 2 N/O & 2 N/C time delayed output contacts
- 3 extra configurable C/O contacts (Time delayed or inst. phase segregated)
- 0 to 99s time delayed output with +0.5% accuracy
- Time settings easily selected by digital thumb wheel switches
- Timing in progress LED
- Optional internal timer initiate input logic
- Hand & remote flag reset
- 40-300V DC auxiliary supply Power supply fail relay drops out if the Auxiliary supply fails.
- Optional 20-70V DC supply
- Size 4M draw out case
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2C65 Current Check Relay
- 10:1 PU setting ranges
- 5 – 50% or 20 – 200% of nominal input current
- 1A or 5A nominal CT’s
- Fast inst. O/C pick up (<15ms at="" 2x="" setting="" li="">
- Fast O/C reset time (<15ms at="" 2x="" setting="" li="">
- <5% transient over-reach
- Eight C/O output contacts
- 0 to 99s time delayed output with +0.5% accuracy
- Time settings easily selected by digital thumb wheel switches
- Timing in progress LED
- Five status inputs
- User configurable operating logic
- Hand & remote flag reset
- 40-300V DC auxiliary supply Power supply fail relay drops out if the Auxiliary supply fails.
- Optional 20-70V DC supply
- Size 4M56 draw out case
- Made in Australia
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2C720 700 Series AC Current Sensing Relay
Obsolete- AC Current Sensing Relay
- Ten year factory warranty
- Plug in measuring module
- Double insulated high impact polystyrol case
- Termination socket included for surface mounting enabling front or rear connection with optional DIN rail mounting
- Proven circuit designs based on over 15 years of field service in hundreds of varied & demanding applications
- Easy to set calibration scales
- Tolerance to shock & vibration for generator, compressor & mobile applications
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2C74 Instantaneous Current Relay
Obsolete- High speed operation
- High sensitivity
- 50Hz or 60Hz operation
- Seven (7) current settings using a plug bridge
- Choose from 5 setting ranges
- <10ms operation="" at="" 5x="" setting="" li="">
- Hand reset mechanical flag
- 2 N/O trip contacts
- Rugged attracted armature sensing element
- Use 3 independent units for 3 phase applications
- Size 2M28 draw out case
- Made in Australia
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2C81 DC Current Sensing Relay
Obsolete- High sensitivity
- 40-300V DC auxiliary supply Power supply fail relay drops out if the auxiliary supply fails.
- Optional 20-70V DC supply
- Optional mV input ranges
- Custom front dial calibration scale
- Two C/O output contacts
- One C/O fail alarm contact
- Optional delay timer
- Current pick up LED indication
- Power supply healthy LED indication
- Size 2M28-S draw out case
- Made in Australia
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