DOLD can provide you with customer solutions for the monitoring of electrical loads (current, cos φ, effective power). The product portfolio includes current relays, underload, load and overload monitoring as well as load converters. The devices are used for the monitoring of motors as well as for the function monitoring of electricity consumers.
![]() | Motor load monitor MK 9397N • According to EN 60255-1 • Active power measuring • Relay output MK 9397N: 1 changeover contact MH 9397: 1 changeover contact each for overload and prewarning • On delay • Closed circuit operation • As option open circuit operation • As option with plugable terminal blocks for easy exchange of devices - with screw terminals - or with cage clamp terminals • MK 9397N: Width 22,5 mm MH 9397: Width 45 mm | Download datablad |
![]() | Motor Load Monitor MH 9397 • According to EN 60255-1 • Active power measuring • Relay output MK 9397N: 1 changeover contact MH 9397: 1 changeover contact each for overload and prewarning • On delay • Closed circuit operation • As option open circuit operation • As option with plugable terminal blocks for easy exchange of devices - with screw terminals - or with cage clamp terminals • MK 9397N: Width 22,5 mm MH 9397: Width 45 mm | Download datablad |
![]() | Motor Load Monitor BH 9097 • According to IEC/EN 60255-1, IEC/EN 60255-26, DIN/VDE 0435-303 • Identification of - Underload P1 and Overload P2 - Overload P1 (prewarning) and Overload P2 programmable • Adjustment of P1 and P2 on absolute scale • For motors up to 22 kW / 400 V; 37 kW / 600 V • Measurement: effective power • Large current range because of automatic range selection • 1 changeover contact for P1 and 1 changeover contact for P2 • Adjustable start-up delay ta • Adjustable switching delay tv • With automatic or manual reset, programmable • Test / Reset button for easy setup • Up to 40 A without external current transformer • De-energized or energized on fault, programmable • Also for single-phase operation • LED indicators • Width 45 mm | Download datablad |
![]() | Motor Load Transmitter BH 9098 • According to IEC/EN 60 255, DIN VDE 0435-303 • As load depending output signals are available - 0 ... 20 mA and 0 ... 10 V or - 4 ... 20 mA and 2 ... 10 V • Measures effective load • Adjustment of P1 and P2 on absolute scale • For motors up to 22 kW / 400 V bzw. 37 kW / 690 V • Adjustable start up delay ta • Up to 40 A without external current transformer • As option for single phase loads • LED indicators • Width 45 mm | Download datablad |
![]() | Underlaod monitor (Cos-phi monitor) BA 9065 • According to IEC/EN 60 255, VDE 0435 • Detection of underload (cos ϕ) • Current ranges up to 10 A, for higher values a CT must be used • Adjustable response value • Programmable functions: - alarm when I = 0 - automatic or manual reset - closed or open circuit operation • Manual remote reset • Adjustable operate delay • Independent of phase sequence • Also for 400 Hz systems • Optionally for motors with frequency converters (10 ... 100 Hz) (see notes) • Width 45 mm | Download datablad |
![]() | Underlaod monitor (Cos-phi monitor) MK 9065 • According to IEC/EN 60 255, DIN VDE 0435-303 • Detection of underload (cos ϕ) • Current ranges up to 10 A • Adjustable response value • Programmable functions: - automatic or manual reset - closed or open circuit operation • Manual remote reset • Adjustable operate delay up to 100 s • For single and 3-phase AC-systems without neutral • Independent of phase sequence • Also for 400 Hz systems • MK 9065.11 can be used for motors with frequency converters 2 ... 200 Hz) • Optionally with sealable cover • Green indicator LED for operational mode • Red indicator LED for underload monitoring • Width 22.5 mm | Download datablad |
![]() | Underlaod monitor (Cos-phi monitor) IK 9065 • According to EN 60 255-1 • Detection of underload (cos ϕ) • Without auxiliary supply • Current up to 8 A Motors up to 5 A nominal current can be connected directly • Higher currents via current transformer • SL 9065CT with integrated current transformer for currents up to 100 A • Adjustable response value • Automatic reset (Alarm auto reset) • Adjustable operate delay up to 100 s • De-energized on trip • For single and 3-phase loads e.g. motors • Independent of phase sequence • 1 changeover contact • LED indicator voltage supply and alarm • Devices available in 2 enclosure versions: IK 9065: depth 58 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880 SK 9065, SL 9065CT: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct • IK 9065, SK 9065 width 17.5 mm SL 9065CT width 35 mm IK/SK 9065/100: as IK/SK 9065 but: • programmable for - automatic reset or manual reset (latched alarm) - energized or de-energized on trip • with reset button • remote reset | Download datablad |
![]() | Underload monitor (Cos-phi monitor) SK 9065 • According to EN 60 255-1 • Detection of underload (cos ϕ) • Without auxiliary supply • Current up to 8 A Motors up to 5 A nominal current can be connected directly • Higher currents via current transformer • SL 9065CT with integrated current transformer for currents up to 100 A • Adjustable response value • Automatic reset (Alarm auto reset) • Adjustable operate delay up to 100 s • De-energized on trip • For single and 3-phase loads e.g. motors • Independent of phase sequence • 1 changeover contact • LED indicator voltage supply and alarm • Devices available in 2 enclosure versions: IK 9065: depth 58 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880 SK 9065, SL 9065CT: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct • IK 9065, SK 9065 width 17.5 mm SL 9065CT width 35 mm IK/SK 9065/100: as IK/SK 9065 but: • programmable for - automatic reset or manual reset (latched alarm) - energized or de-energized on trip • with reset button • remote reset | Download datablad |
![]() | Underlaod monitor (Cos-phi monitor) SL 9065CT • According to EN 60 255-1 • Detection of underload (cos ϕ) • Without auxiliary supply • Current up to 8 A Motors up to 5 A nominal current can be connected directly • Higher currents via current transformer • SL 9065CT with integrated current transformer for currents up to 100 A • Adjustable response value • Automatic reset (Alarm auto reset) • Adjustable operate delay up to 100 s • De-energized on trip • For single and 3-phase loads e.g. motors • Independent of phase sequence • 1 changeover contact • LED indicator voltage supply and alarm • Devices available in 2 enclosure versions: IK 9065: depth 58 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880 SK 9065, SL 9065CT: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct • IK 9065, SK 9065 width 17.5 mm SL 9065CT width 35 mm IK/SK 9065/100: as IK/SK 9065 but: • programmable for - automatic reset or manual reset (latched alarm) - energized or de-energized on trip • with reset button • remote reset | |
![]() | Reverse power monitoring BH 9140 • According to IEC/EN 60 255, DIN VDE 0435-303 • Effective power measuring • For single and 3-phases • Adjustable response value 2 ... 20 % reverse power • Hysteresis 12.5 % • Rated current BH 9140: 5 A or 40 A Rated current RP 9140: 5 A • Adjustable on delay • Open circuit operation • LED indication for voltage supply and contact position • 2 changeover contacts • As option closed circuit operation • Width: BH 9140: 45 mm RP 9140: 70 mm | Download datablad |
![]() | Reverse power monitoring RP 9140 • According to IEC/EN 60 255, DIN VDE 0435-303 • Effective power measuring • For single and 3-phases • Adjustable response value 2 ... 20 % reverse power • Hysteresis 12.5 % • Rated current BH 9140: 5 A or 40 A Rated current RP 9140: 5 A • Adjustable on delay • Open circuit operation • LED indication for voltage supply and contact position • 2 changeover contacts • As option closed circuit operation • Width: BH 9140: 45 mm RP 9140: 70 mm | Download datablad |