• According to EN 61 810-1
• Optionally contacts with up to a maximum of 4 changeover conytacts
• High thermal current of the contact
• Pushbutton for manual actuation of the contact
• Operating position  display
• Optionally without munual actuation and an operting position
  display
• Optionally for 2- wire initiator activation
• Optionally for switching low loads
  ( e.g. HQ lamps )
• OPtionally for switching large inductive dirct current loads
• Optionally with a recovery diode
• Optionally with reliable release voltage of AC 120V
• IK 8701: width 17, 5 mm
  IL 8701:  width 35 mm
  IN 8701: with 52, 5 mm
• IK 8701: width 17, 5 mm

Input
• Nominal voltage U_N:        AC 24,42, 230 V  
                                      DC 12, 24 V
                                      other voltages available on request
• Voltage range:                0,9 ... 1,1 U_N
• Nominal consumption:      AC 1,8 VA/DC 1,5 W
• Nominal frequency:          50 or 60 Hz

• According to IEC/EN 61 557
• For DC voltage systems up to 12 ... 280 V
• Wide voltage range of measuring input U_N DC 12 ... 280 V
  ( on request DC 24 ... 500V with  sepatate auxillary supply,
  Measuring range 20 ... 500 kΩ )
• Adjustable tripping value R_AL of 5 ... 200 kΩ
• Selective ground fault indication for L+and  L- allows fast fault finding
• Without auxiliary supply
• DE-energised on trip
• 2 changeover contacts
• Automatic or manual reset, programmable
• With  test and reset buttons
• Connection for external test and reset button possible
• galvanic separated AC or DC auxiliary supply available as option
• adjustable time delay as option
• 2 Models available:
  IL 5881:         61 mm deep with herminals near to the bottom to be
                        mounted in consumer units or industrial distribution 
                       systems according to DIN 43 880
  SL 5881:       98 mm deep with terminals near to the top to be
                       mounted in cabinets with mounting plate and cable
                       ducts        

• According to EN 61 810-1
• Manual operation possible
• Contact position indication via control lever
• max. 4NC contacts, 4 NO contacts
• Width 45 mm

Input
• Nominal voltage U_N:        AC 24,42, 110, 127, 230, 240 V  
                                      DC 12, 24, 60, 110, 220, 240 V
•Voltage rang:                   0,8... 1,1 U_N
• Nominal consumption:     AC 230V / 3VA
                                      DC 220V / 3 W                                     
• Nominal frequency:         50/60 Hz
• Frequency range:           ±5%

• According to VDE 0413
• For DC- voltage systems
• Fixed response value
• Closed circuit operation
• Programmable for
  -  manual reset ( bridge LT1-LT2 )
  -  automatic reset ( without bridge )
• External reset button on LT1-LT2
• Test button to check the function of the device
• LED indicators
• 1 changeover contact
• Width 45 mm
Input
• Nominal voltage U_N:        DC 24, 42,110,230V   
                                     to 660 V on request
•Voltage rang:                   0,8... 1,1 U_N
• Frequency range:           45 ... 400 Hz
• Programmable for          

• According to IEC 255, VDE 0435 part 303
• One model for AC and DC current
• Measuring ranges from 2 mA to 25 A
• BA 9053 optionally with 3 current range 0,1 to 10A
• BA 9053 optionally with safe separation to VDE 0106 part 101
• BA 9053 optionally with galvanic separated DC auxiliary supply
• MK 9053 optionally with remote potentiometer
• Open circuit operation
• Optionally closed circuit operation
• Hingh overload operation
• Permissible frequency range of the measuring current up to 400Hz
• Optionally with time delay
• LED indicators for operation and contact position
• Width MK 9053:       22,5 mm
  Width BA 9053:          45 mm

• According to IEC 255, VDE 0435 part 303
• Monitoring of
   -  Under - and overvoltage
   -  Asymmetry
   -  Phase failure
• Intensitive to hermonics up to distortion factor K 20%
• Release time adjustable between 0,1 ... 5 s  
• One LED in ease for
  -  Auxiliary voltage A1/A2
  -  Overvoltage U_max.
  -  Overvoltage Umax.
   -   Undervoltage Umax.
  -  Asymmetry / Phase sequence / Power failure
  -  Contact position
• Closed circuit operation  
• Available open circuit operation
• 2 changeover contacts
• Width 45 mm

Input
• Nominal voltage U_N:      
L1/L2/L3                        3Ac 230,400,690 V                       
                                    ( other voltages on request
Overload   cap acity of     1,5/60U_N /2U_N (10S)max. 1000 V
Nominal  frequejmcy U_N    50/60 Hz
Frequency range of U_N     45...65 Hz
Accuracy:                        ≤±0,5% of  U_N
Power consumption withU_NL1 approx. 0,5 mA
                                     L2 approx. 0,5 mA
                                     L3 approx. 0,8 mA

• According to IEC 255, VDE 0435 part 303
• Single-phase
• Measuring ranges from 24 to 400
• Settable response and release value
• Without auxiliary supply
• BA 9036 optionally available with adjustable time delay at 
  response or release value
• BA 9036 with LED indicators for operation and state of contacts
• BA9036 :          2 changeover contacts
• AI936 :            1 changeover contact

Input
• Nominal voltage U_N:      AC42, 110, 127, 230, 240, 290, 400V       
                                    DC 24, 48, 60V                 
                                    DC 110*,127*,220*,240V*
                                    BA9036:
                                    DC 110V*: ZWS 20 SL 1,5 kΩ 20 W
                                    DC 127V*: ZWS 20 SL 1,6 kΩ 20 W    
                                    DC 220V*: ZWS 20 SL 3,9 kΩ 35 W
                                    DC 240V*: ZWS 20 SL 4,7 kΩ 35 W
                                    AI936:
                                    DC 110V*: ZWS 20 SL 1,5 kΩ 20 W
                                    DC 220V*: ZWS 20 SL 3,9 kΩ 35 W
                                    *( with external drop resistor)

• According to IEC 255, VDE 0435 part 303
• 3-phase
• For nominal voltage of 3 AC 100/57 to 500/290 V
• Measures arithmetic mean value
• Adjustable operate of 3 AC 100/57 to 500/290V
• For 3p 3w or 3p 4w systems
• BA 9043 optionally with adjustable time delay
• Closed circuit operation
• LED indicator for operation and state of contact
• Frequency up to 400 Hz
• Width 45 mm.
Input
• Nominal voltage U_N:           
BA9043, BA9043/002                  
AA9943:                            3/NAC 100/57V;230/127V;400/230V 
                                        415/240V;440/254V;500/290V
                                        50/60Hz
                                        ( can be used up to 400 Hz )

• According to IEC 255, VDE 0435 part 303
• For nominal voltage from 3 AC 230V to 500V 
• Detection of 
  - voltage asymmetry
  - wrong phase sequence
  - phase failure
• Detection of feedback voltage
• BA 9042 optionally with adjustable time delay
• Closed circuit operation
• BA9042 LED indicators for operation and state of contacts
• Width 45 mm
Input
• Nominal voltage U_N:           3 AC 190, 230, 400, 415, 440, 500 V
• Voltage range:                  0,8 ...1,1 U_N
• Nominal consumption:        ≤50/60Hz 
• Frequency range:              ±5%

• According to IEC 255, VDE 0435
• Detection of wrong phase sequence
• 1 or 2 changeover contacts
• Width 45 mm
Input
• Nominal voltage U_N:           3 AC 190, 230, 400, 415, 440, 500 V
• Voltage range:                  0,8 ...1,1 U_N
• Nominal frequency of U_N:   50Hz ( 60 Hz on request )
• Frequency range:              ±5%
• Nominal consumption:        <3,5 VA