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Series: SE-703

SE-703 Series – Earth-Leakage Monitor

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The SE-703 series is a microprocessor-based, earth-fault relay for solidly grounded and resistance-grounded ac systems. It offers sensitive earth-fault detection as low as 25 mA and can be used on systems with significant harmonic content. The SE-703 provides feeder-level protection or individual-load protection. The output contacts can be connected for use in protective tripping circuits or in alarm indication circuits. The analog output can be used with a PLC or a meter. The SE-703 is specifically designed to be AS/NZS (Australian/New Zealand) 2081 compliant to either 2011 or 2002 models (see ordering options).

Adjustable pickup (25–500 mA)
Adjustable time delay (INST–500 ms)
Output contacts
Analog outputs (0–5 V)
CT-loop monitoring
Non-volatile trip memory
Contact operating mode
Harmonic filtering
Universal power supply
Microprocessor-based

Adjustable trip setting provides a wide range of low-level protection and system coordination
Adjustable trip delay allows quick protection and system coordination
Two Form C ground-fault output contacts for operation of separate annunciation and trip circuits
Allows for connecting an optional meter (PGA-0500) or a control system
Alarms when CT is not connected
Retains trip state when de-energized to simplify troubleshooting
Fail-safe operating mode for undervoltage applications, optional non-fail-safe mode available
Eliminates nuisance tripping
Allows operation in application where one side of PT is faulted, provides flexibility for numerous applications
No calibration required-saves on maintenance cost

SE-703 Parts

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	Part Number	Actions	Supply Voltage AC	Supply Voltage DC	Relay Contacts Config	Analog Output Voltage (V)	IEEE Device Numbers	Relay Contacts Operation	Dimensions	Weight (kg)	Auto Manual Reset	Conformally Coated	CT Loop Monitoring	Frequency (Hz)	GF Trip Level A	GF Trip Level Range (%)	GF Trip Time (s)	Harmonic Filtering	Reset Type	System Type	Test Button

Part Number	Actions	Supply Voltage AC	Supply Voltage DC	Relay Contacts Config	Analog Output Voltage (V)	IEEE Device Numbers	Relay Contacts Operation	Dimensions	Weight (kg)	Auto Manual Reset	Conformally Coated	CT Loop Monitoring	Frequency (Hz)	Harmonic Filtering	Reset Type	System Type	Test Button
Series: SE-703 - SE-703 Series – Earth-Leakage Monitor Series: SE-703 SE-703 Series – Earth-Leakage Monitor	Datasheet Request Sample View More	24		2 Form C	0 - 5 V	50G - 50N - 51G - 51N	Fail-safe	3 H x 2.2 W x 4.5 D in.	0 Kg (kilogram)	Latching	Optional	Standard	50; 60; ASD	Standard (DFT)	Front-panel switch/Remote N.O. Contact	Solidly Grounded AC; Resistance Grounded AC	Front-panel switch
Series: SE-703 - SE-703 Series – Earth-Leakage Monitor Series: SE-703 SE-703 Series – Earth-Leakage Monitor	Datasheet Request Sample View More	24		2 Form C	0 - 5 V	50G - 50N - 51G - 51N	Fail-safe / Non Fail-safe	3 H x 2.2 W x 4.5 D in.	0 Kg (kilogram)	Latching	Optional	Standard	50; 60; ASD	Standard (DFT)	Front-panel switch/Remote N.O. Contact	Solidly Grounded AC; Resistance Grounded AC	Front-panel switch
Series: SE-703 - SE-703 Series – Earth-Leakage Monitor Series: SE-703 SE-703 Series – Earth-Leakage Monitor	Datasheet Request Sample View More		12 - 24	2 Form C	0 - 5 V	50G - 50N - 51G - 51N	Fail-safe	3 H x 2.2 W x 4.5 D in.	0 Kg (kilogram)	Latching	Optional	Standard	50; 60; ASD	Standard (DFT)	Front-panel switch/Remote N.O. Contact	Solidly Grounded AC; Resistance Grounded AC	Front-panel switch
Series: SE-703 - SE-703 Series – Earth-Leakage Monitor Series: SE-703 SE-703 Series – Earth-Leakage Monitor	Datasheet Request Sample View More		12 - 24	2 Form C	0 - 5 V	50G - 50N - 51G - 51N	Fail-safe / Non Fail-safe	3 H x 2.2 W x 4.5 D in.	0 Kg (kilogram)	Latching	Optional	Standard	50; 60; ASD	Standard (DFT)	Front-panel switch/Remote N.O. Contact	Solidly Grounded AC; Resistance Grounded AC	Front-panel switch
Series: SE-703 - SE-703 Series – Earth-Leakage Monitor Series: SE-703 SE-703 Series – Earth-Leakage Monitor	Datasheet Request Sample View More		48	2 Form C	0 - 5 V	50G - 50N - 51G - 51N	Fail-safe	3 H x 2.2 W x 4.5 D in.	0 Kg (kilogram)	Latching	Optional	Standard	50; 60; ASD	Standard (DFT)	Front-panel switch/Remote N.O. Contact	Solidly Grounded AC; Resistance Grounded AC	Front-panel switch
Series: SE-703 - SE-703 Series – Earth-Leakage Monitor Series: SE-703 SE-703 Series – Earth-Leakage Monitor	Datasheet Request Sample View More		48	2 Form C	0 - 5 V	50G - 50N - 51G - 51N	Fail-safe / Non Fail-safe	3 H x 2.2 W x 4.5 D in.	0 Kg (kilogram)	Latching	Optional	Standard	50; 60; ASD	Standard (DFT)	Front-panel switch/Remote N.O. Contact	Solidly Grounded AC; Resistance Grounded AC	Front-panel switch
Series: SE-703 - SE-703 Series – Earth-Leakage Monitor Series: SE-703 SE-703 Series – Earth-Leakage Monitor	Datasheet Request Sample View More	120 / 240	120 / 240	2 Form C	0 - 5 V	50G - 50N - 51G - 51N	Fail-safe	3 H x 2.2 W x 4.5 D in.	0 Kg (kilogram)	Latching	Optional	Standard	50; 60; ASD	Standard (DFT)	Front-panel switch/Remote N.O. Contact	Solidly Grounded AC; Resistance Grounded AC	Front-panel switch
Series: SE-703 - SE-703 Series – Earth-Leakage Monitor Series: SE-703 SE-703 Series – Earth-Leakage Monitor	Datasheet Request Sample View More	120 / 240	120 / 240	2 Form C	0 - 5 V	50G - 50N - 51G - 51N	Fail-safe / Non Fail-safe	3 H x 2.2 W x 4.5 D in.	0 Kg (kilogram)	Latching	Optional	Standard	50; 60; ASD	Standard (DFT)	Front-panel switch/Remote N.O. Contact	Solidly Grounded AC; Resistance Grounded AC	Front-panel switch