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Hirotronix supplies industrial automation sensors, machine safety systems, operator controls, level measurement systems, and automation components.

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DOLD IP 9077 – Over- and undervoltage relay

Brand

DOLD

Part number

IP 9077

Order number

0048222

Over- and undervoltage relay

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Brand	DOLD
Housing width	70 mm
Output contacts	2 x 2 C/O contacts
Enclosure design	Distribution board
Phases	1, 3
Order number	0048222

Monitoring of three-phase voltage systems to identify overvoltage and undervoltage, e.g. to monitor in-house generation equipment in accordance with VDE 0100.

Features

According to IEC/EN 60255-1
Identification of overvoltage, undervoltage and phase failure
With asymmetry identification as an option
Mains fault diagnostics with a number of LEDs
Setting values for overvoltage and undervoltage can be set separately
Large Setting Ranges 0.9 … 1.3 UN and 0.7 … 1.1 UN
Time delay variable between 0.1 … 20 s
Closed circuit operation
No auxiliary voltage
Independant of phase sequence
As option with phase sequence detection
Single-phase connection possible
Optionally for 3P3W Systems
2 changeover contacts, at IP/SP 9077 2 x 2 changeover contacts
Devices available in 2 enclosure versions:I-model: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880S-model: depth 98 mm, with terminals at the top for cabinetswith mounting plate and cable duct
IL 9077, SL 9077: width 35 mmIP 9077, SP 9077: width 70 mm

Technical specifications

1- / 3-phase	1, 3
Auxiliary voltage	Without
Enclosure design	Distribution board
Measuring range max.	500 V
Operate delay	Yes
Output contacts	2 x 2 C/O contacts
Standard measuring range	3/N AC 400/230 V
Width	70 mm
Type	IP 9077

Available variants

Contact equipping	2 x 2 changeover contacts
Nominal voltage	3/N AC 100/57 V · 3/N AC 110/64 V · 3/N AC 400/230 V · 3/N AC 415/240 V · 3AC 100 V · 3AC 115 V · 3AC 230 V · 3AC 400 V · 3AC 415 V · 3AC 440 V · 3AC 480 V · 3AC 500 V
Time delay	0,1 – 20 s
Variant	With N. NC circuit operation · Without N. NC circuit operation · Without neutral connection. Undervoltage output de-energized on trip. Overvoltage output energized on trip