Power electronics DOLD

• According to IEC/EN 60 947-4-2
• Modbus RTU-interface
• To reverse 1-phase motors up to 50 ... 180 W or
180 W ... 1.1 kW at 230 V
• 1-phase softstart, softstop
• 3 potentiometer for setting the modbus adress and baud rate
• 5 LEDs for status indication
• Reversing with relays without current, softstart, softstop with thyristor
• Galvanic separation between control circuit and power circuit
• Width: 22.5 mm

• According to IEC/EN 60 947-4-2
• To reverse 3 phase motors up to 550 W to 4 kW
• 2-phase softstart
• 4 potentiometer für setting of starting torque, deceleration torque ,
softstart /-stop, overcurrent limit or rated motor current
• 4 LEDs for status indication
• Reversing with relays without current, softstart, softstop with thyristor
• Galvanic separated 24V-inputs for clockwise- and anticlockwise
• Reset button on front
• Connection facility for external reset button
• Relay indicator output for operation
• Indicator output at customers specification (on request)
• Galvanic separation between control circuit and power circuit
• Galvanic separation between motor terminals and supply voltage
in the off or fault state
• Width: 22,5 mm

• According to IEC/EN 60 947-1, IEC/EN 60 947-4-2
• For speed control of 3-phase asynchronous motors up to 5.5 kW
• Speed adjustment by potentiometer on the front
• Additional galvanic separated control input for external speed
control 0 ... 10 V
• Umin and Umax setting accessable behind screw cover
• Large motor voltage range
• Integrated temperature monitoring
• Fullfills the EMC requirement according to IEC/EN 61 000-6-4
limit class B, therefore screened wires are not necessary
between motor and controller
• 2 changeover monitoring contacts
• LED indicators for alarm and status
• Connection for thermistor to monitor temperature
• 100 mm and 122 mm width

• According to IEC/EN 60 947-4-2
• Modbus RTU-interface
• To reverse 3 phase motors up to 0.18 kW ... 2.2 kW at 400 V
• 2-phase softstart, softstop
• 3 potentiometer for setting the modbus adress and baud rate
• 5 LEDs for status indication
• Reversing with relays without current, softstart, softstop with thyristor
• Galvanic separation between control circuit and power circuit
• Width: 22.5 mm

• According to IEC/EN 60 947-1, IEC/EN 60 947-4-2
• For speed control of 3-phase asynchronous motors up to 5.5 kW
• Speed adjustment by potentiometer on the front
• Additional galvanic separated control input for external speed
control 0 ... 10 V, 0 ... 20 mA, 4 ... 20 mA
• Umin and Umax setting accessable behind screw cover
• Large motor voltage range
• Integrated temperature monitoring
• Fullfills the EMC requirement according to IEC/EN 61 000-6-4
limit class B, therefore screened wires are not necessary
between motor and controller
• 2 changeover monitoring contacts
• LED indicators for alarm and status
• Connection for thermistor to monitor temperature
• 100 mm, 122 mm and 168 mm width

• According to IEC/EN 60 947-1, IEC/EN 60 947-4-2
• Switching at zero crossing
• To switch single-phase AC load up to 400 V
• Compensates voltage fluctuations of ± 20 %
• Load current up to 40 A
• Monitors:
- Undercurrent
- Overcurrent
- Interrupted load circuit
- monitors temperature to protect the power semiconductor
• De-energized on fault
• One relay output with changeover contact
• LED Indicators
• No auxiliary supply
• Galvanically separated control input X1-X2 with wide voltage range
• Adjustable current response value
• With integrated heat sink
• DIN-rail mounting
• 45 mm, 67.5 mm and 112.5 mm width
Approvals and Marking
Applications
• Data sheet BF 9250, Semiconductor contactor
Additional Information about this topic

• According to IEC/EN 60 947-1, IEC/EN 60 947-4-2
• Switching at zero-crossing
• To reverse 3 phase asynchronuos motors up to
5.5 kW / 400 V (7.5 HP / 460 V)
• Electrical interlocking of both directions
• Temperature monitoring to protect the power semiconductors
• Measured nominal current up to 20 A
• LEDs for status indication
• Galvanic separation between control circuit and power circuit
• 45 mm; 67.5 mm; 112.5 mm width

• Analogue controller for accurate process temperature control
• Burst firing control of heaters
• Control input optional with DC 0 ... 10 V, DC 4 ... 20 mA, 0 ... 10 kΩ
• Reverse action operation possible
• Rated operational voltage range up to 480 V
• Rated operational current is up to AC 50 A
• Zero cross switching
• Protected by varistors
• Temperature protection of the power semiconductors
• LED indications for supply, output status and alarm status
• Alarm indication on mains synchronisation failure
• Alarm indication on control input failure
• Alarm indication on over temperature of power semiconductors
• DIN-rail mountable
• BF 9250/0_2 to 10 A: Width 22.5 mm
BF 9250/0_2 to 25 A: Width 45 mm
BF 9250/0_2 to 50 A: Width 90 mm

• Analogue controller for accurate process temperature control
• Burst firing control of heaters
• Control input optional with DC 0 ... 10 V, DC 4 ... 20 mA, 0 ... 10 kΩ
• Reverse action operation possible
• Rated operational voltage range up to 480 V
• Rated operational current is up to AC 50 A
• Zero cross switching
• Protected by varistors
• Temperature protection of the power semiconductors
• LED indications for supply, output status and alarm status
• Alarm indication on mains synchronisation failure
• Alarm indication on control input failure
• Alarm indication on over temperature of power semiconductors
• DIN-rail mountable
• BF 9250/0_2 to 10 A: Width 22.5 mm
BF 9250/0_2 to 25 A: Width 45 mm
BF 9250/0_2 to 50 A: Width 90 mm

• According to IEC/EN 60 947-4-2, IEC/EN 60 947-4-3
• 1-, 2- and 3-pole models
• Load current up to 50 A
• For AC load up to 480 V
• Switching at zero crossing
• Protected by varistors
• As option temperature protection of the power semiconductors
with monitoring output
• Mounting on DIN-rail
• As option with control input X1 with low current consumption
e.g. to be controlled by a PLC
• As option up to 3 separate semiconductor contactors in one unit
• BF 9250: width 22.5 mm, 45 mm and 90 mm
BH 9250: width 45 mm, 67.5 mm and 112.5 mm

• AC semiconductor relay / -contactor
• PK 9260/_ _ _ according to IEC/EN 62314
PK 9260/_ _ _ / _ _ according to IEC/EN 60947-4-2 and -4-3
• Load current up to 88 A, AC-51
• Switching at zero crossing for resistive loads
• 2 anti-parallel thyristors
• DCB technology (direct bonding method) for excellent
heat transmission properties
• As option with:
- M4 flat terminal or
- M5 screw terminal for cable lug
• LED status indicator
• Peak reverse voltage up to ± 1600 V
• Insulation voltage 4000 V
• As option with heat sink, for DIN rail mounting

• AC semiconductor relay /-contactor
• With integrated load circuit monitoring
• Settable load limit value
• According to IEC/EN 60947-4-3
• Load current 40 A, AC 51
• Switching at zero crossing
• 2 anti-parallel thyristors
• DCB technology (direct bonding method) for excellent
heat transmission properties
• Two-colours LED status indicator
• Touch protection IP20
• PLC compatible alarm output (PNP; NPN on request)
• As option closed circuit operation or open circuit operation
• As option with optimized heat sink, for DIN rail mounting
• Width 45 mm

• AC solid-state relay /-contactor with load current measurement
(runs value)
• Analogue output DC 0 ... 10 V
• According to IEC/EN 60947-4-3
• Nominal voltage up to AC 480 V
• Load current up to 45 A, AC-51
• Switching at zero crossing
• DCB technology (direct bonding method) for excellent
heat transmission properties
• LED indicator for control
• As option with optimized heat sink, for DIN rail mounting
• Width: 45 mm

• AC semiconductor relay / -contactor for pulse package control of
heating systems
• Control input DC 4 … 20 mA
• According to IEC/EN 60947-4-2
• Nominal voltage AC 48 ... 480 V
• Load current 25A, 50 A, AC-51
• LED status indicator for control and failure
• Box terminals
• Degree of protection IP20
• As option with heat sink, for DIN rail mounting
• Width: 45 mm

• AC semiconductor relay / -contactor
• According to IEC/EN 60947-4-3
• As option load current up to 2 x 32 A or 2 x 48 A
• As option with hight I²t up to 6600 A²s
• Load voltages up to AC 480 V
• 2 anti-parallel thyristors for each pole
• DCB technology (direct bonding method) for excellent
heat transmission propertie
• Touch protection IP20
• Box terminals for load connections
• LED status indicator for both poles
• Peak reverse voltage up to ± 1200 V
• Insulation voltage 4000 V
• Width 45 mm

• AC semiconductor relay / -contactor
• According to IEC/EN 60947-4-3
• Load current up to 125 A, AC 51 with I2t up to 18000 A2s
• Switching at zero crossing
• As option switching at voltage maximum
• 2 anti-parallel thyristors
• DCB technology (direct bonding method) for excellent
heat transmission properties
• Touch protection IP20
• Box terminals
• LED status indicator
• Peak reverse voltage 1200 V or 1600 V
• Insulation voltage 4000 V
• As option with overtemperature protection
• As option with reduced HF-emission
• As option with heat sink, for DIN rail mounting
• Width: 45 mm

• According to IEC/EN 60 947-4-2, IEC/EN 60 947-4-3
• 1-, 2- and 3-pole models
• Load current up to 50 A
• For AC load up to 480 V
• Switching at zero crossing
• Protected by varistors
• As option temperature protection of the power semiconductors
with monitoring output
• Mounting on DIN-rail
• As option with control input X1 with low current consumption
e.g. to be controlled by a PLC
• As option up to 3 separate semiconductor contactors in one unit
• BF 9250: width 22.5 mm, 45 mm and 90 mm
BH 9250: width 45 mm, 67.5 mm and 112.5 mm

• According to IEC/EN 60 947-4-2, IEC/EN 60 947-4-3
• 1-, 2- and 3-pole models
• Load current up to 50 A
• For AC load up to 480 V
• Switching at zero crossing
• Protected by varistors
• As option temperature protection of the power semiconductors
with monitoring output
• Mounting on DIN-rail
• As option with control input X1 with low current consumption
e.g. to be controlled by a PLC
• As option up to 3 separate semiconductor contactors in one unit
• BF 9250: width 22.5 mm, 45 mm and 90 mm
BH 9250: width 45 mm, 67.5 mm and 112.5 mm

• According to IEC/EN 60 947-4-2, IEC/EN 60 947-4-3
• 1-, 2- and 3-pole versions
• Load current up to 50 A at TU = 40° C
• For AC load up to 530 V
• Switching at zero crossing, optionally immediate switching
• Protected by varistors
• Mounting on DIN-rail
• Widths: 22.5 mm, 45 mm and 90 mm

• According to IEC/EN 60 947-1, IEC/EN 60 947-4-2
• Switching at zero crossing
• To reverse 3 phase asynchronuos motors up to
5.5 kW / 400 V (7.5 HP / 460 V)
• Electrical interlocking of both directions
• Temperature monitoring to protect the power semiconductors
• Measured nominal current up to 20 A
• LEDs for status indication
• Galvanic separation between control circuit and power circuit
• With current monitor
• 45 mm; 67.5 mm; 112.5 mm width