KSW3-JS

KEY FEATURES

  • Function "Standstill detection without sensors"
  • Independent of rotation direction
  • Security with redundancy and feedback circuit
  • 3 forcibly guided "NO" security contacts
  • 1 forcibly guided "NC" security contact
  • 1 "NO" monitoring contact
  • 2 semiconductor monitoring outputs
  • Performance Level (PL) e, safety category 4 to EN ISO 13849-1
  • SIL Claimed Level (SIL CL) 3 to IEC/EN 62061
TerminalsVoltagesOutputsCode
Screws24 V⎓3 NO + 1 NC85102331

Specifications


Functions Standstill detection on motors without sensors
Return loop Y1, Y2
Failure detection Broken wire detection in measure circuit
Display of output state by LED Power supply : PWR (green = operation, red = internal error) Output : OUT (yellow = e.m.f. > U, green flashes = time progression of t, permanent green = output contacts enabled) Error : ERR (flashing codes)
Supply voltage 85 102 331 : 24 V⎓
Operating range ± 10 % U
Consumption 3 W
Release delay for detection of running motor < 100 ms
Standstill time delay 0,2 →6 adjustable
Type Forcibly guided relays (positively driven)
Number of safety circuits 3 NO
Number of data circuits 1 NC
Nominal output voltage 250 V∿ max.
Max. thermal current I for each contact 5 A
Maximum power rating According to AC15 (NO contacts)  : 3 A / 230 V∿ at 40 °C According to AC15 (NC contacts)  : 2 A / 230 V∿ at 40 °C According DC13 (NO contacts)  : 2 A / 24 V⎓ at 40 °C According to DC13 (NC contacts)  : 2 A / 24 V⎓ at 40 °C
Electrical endurance For 5 A, 230 V∿, cos φ = 0,5 : > 2 x 105 switching cycles
Mechanical life 50 x 106 switching cycles
Maximum rate 1200 switching cycles / h
Protection against short circuits Max. fuse rating : 4 A gL Line circuit breaker : C 6 A

Operating temperature (o C) -25 →+60
Storage temperature (0C) -40 →+75
Altitude < 2000 m
Climate resistance according to IEC/EN 60068-1 25 / 060 / 04

Vibration resistance according to IEC/EN 60068-2-6 Amplitude : 0,35 mm Frequency : 10 →55 Hz

Immunity to electrostatic discharges acc. IEC/EN 61000-4-2 8 kV (air)
Immunity to radiated, radio-frequency, electromagnetic field acc. IEC/EN 61000-4-3 20 V / m
Immunity to rapid transient bursts acc. to IEC/EN 61000-4-4 2 kV
Immunity to shock waves according to IEC/EN 61000-4-5 Between wires for power supply : 2 kV (∿ - U), 1 kV (24 V⎓) Between measuring input L1 / L2 / L3 : 2 kV
Immunity to radio frequency in common mode acc. to IEC/EN 61000-4-6 10 V
Interference suppression according to IEC/EN 55011 Limit value class B

Material : self-extinguishing (UL94VO) Thermoplastic with V0 extinction behaviour
Protection (IEC/EN 60529) - Casing IP40
Protection (IEC/EN 60529) - Term. block IP20
Mounting DIN-rail
Weight (g) 400

Approvals CE, TÜV, UL/CSA
Environmental directive 2002/95/CE RoHS
Environmental regulation 1907/2006 Reach
Security data according to EN ISO 13849-1 Performance Level (PL)  : e Category : 4
SIL Claimed Level (SIL CL) to IEC/EN 62061 3
Safety Integrity Level (SIL) according to CEI/EN 61508 3
Safety category to EN 954-1 4

Technical sketches

Safety related data

Safety related data

Screw terminals

Screw terminals

Front face drawing

Front face drawing

Contacts

Contacts
L1, L2, L3  : Connection to monitored motor 11, 12  : Safety circuit output (forcibly guided NC contact) 23, 24, 33, 34, 43, 44  : Safety circuit outputs (forcibly guided NO contacts) 53, 54  : Monitoring output (NO contact) Y1, Y2  : Connection of feedback circuit (for external contactors) Y2, Y3  : Manual reset for external faults A1+, A2  : Auxiliary supply (UH) A3+, A4  : Supply for semiconductor outputs ON  : Semiconductor output indicated state of safety contacts ERR  : Semiconductor output indicates failures

Function diagram

Function diagram
PH 85102331

With 3-phase motor

With 3-phase motor

With single-phase motor

With single-phase motor

Typical connection combination with E-stop

Typical connection combination with E-stop

Typical connection combination with star delta timer

Typical connection combination with star delta timer
2-phase connection

Typical connection combination with star delta timer

Typical connection combination with star delta timer
3-phase connection

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