Always reliable switching and controlling

Switching and Control

Semiconductor contactors have proven themselves in industrial applications everywhere high switching frequencies or high switching cycles are required. With their long service lives and wear-free switching, they handle switching and controlling tasks in specific applications in a highly economical manner.

 

Safety technology is becoming more and more important in machine and equipment construction. Safety modules or even safety controllers are being used everywhere. Despite the increasing use of semiconductors, electromechanical relays remain an important component of such systems. The have the task of switching loads and galvanically separating electrical circuits. Classical applications, particularly for relays with mechanical force-guided contacts, are in the monitoring of emergency stop switches, safety doors or light barriers, for example. They are also essential in railway signalling equipment as well as in the controllers for passenger and goods elevators as well as in medical equipment. Our PCB relays are available in a great variety of different contact variants and construction forms and guarantee the highest switching safety with minimal dimensions.

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Solid-state relay / contactor PH 9260

• 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

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Solid-state relay / contactor with load circuit monitoring PH 9270

• 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

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Solid-state relay / contactor for resistive load PK 9260

• 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

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Solid state contactor BF 9250

• 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

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Solid-state contactor with current monitoring BH 9251

• 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

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Safety relays OA 5623

• According to DIN EN 61810-1, DIN EN 61810-3
• With forcibly guided contacts
• Clearance and creepage distances:
contact - contact ≥ 5,5 mm
• Low rated power consumption and holding power
• High mechancial service life
• High temperature range
• High thermal continuous current
• Height: 15.8 mm

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Bistable relay OB 5623

• According to DIN EN 61810-1, DIN EN 61810-3
• With forcibly guided contacts
• Energy efficient; Low energy consumption, because of impulse control,
no holding consumption
• Bistable
Mechanical latching of contact position
• Safe separation between all current circuits
• Both coils non-polarised, neutral
• Defined position when both coils are operated simultaneously
• Impulse operation, duty cycle possible (under fault condition)
• Wide temperature range
• As option with manual operation (mechanical indication)
• Washproof (only without manual operation)
• Height 15.8 mm

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Safety relays OA 5642

• According to DIN EN 61810-1, DIN EN 61810-3,
DIN EN 45545 (fire protection on railway vehicles)
• With forcibly guided contacts
• Safe separation betwenn coil/contact and contact/contact for
applications at pollution degree 2 with rated insulation voltage 250 V
• Clearance and creepage distances
contact - coil ≥ 5.5 mm
contact - contact ≥ 5.5 mm
• Low nominal and holding power
• High mechanical service life
• Extremly smallest height only 10.3 mm and minimum area
• RoHS compliance
• Placing SMD components between PCB and relay is possible

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Safety relays OA 5643

• According to DIN EN 61810-1, DIN EN 61810-3,
DIN EN 45545 (fire protection on railway vehicles)
• With forcibly guided contacts
• Safe separation betwenn coil/contact and contact/contact for
applications at pollution degree 2 with rated insulation voltage 250 V
• Clearance and creepage distances
contact - coil ≥ 5.5 mm
contact - contact ≥ 5.5 mm
• Low nominal and holding power
• High mechanical service life
• Extremly smallest height only 10.3 mm and minimum area
• RoHS compliance
• Placing SMD components between PCB and relay is possible

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Safety relays OA 5644

• According to DIN EN 61810-1, DIN EN 61810-3,
DIN EN 45545 (fire protection on railway vehicles)
• With forcibly guided contacts
• Safe separation betwenn coil/contact and contact/contact for
applications at pollution degree 2 with rated insulation voltage 250 V
• Clearance and creepage distances
contact - coil ≥ 5.5 mm
contact - contact ≥ 5.5 mm
• Low nominal and holding power
• High mechanical service life
• Extremly smallest height only 10.3 mm and minimum area
• RoHS compliance
• Placing SMD components between PCB and relay is possible

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