02/11/2015 www.crouzet.com Two-hand safety relays KZH2-YS Part number 85102621 "Two-hand" safety function in with two push buttons Inputs for two switches with double contacts (1 NO and 1 NC for each) Security with redundancy and feedback circuit Monitoring of external contactors with feedback circuit Y1 - Y2 3 "NO" security contacts & 1 "NC" monitoring contact (KZH3-YS version) 2 "NO" security contacts (KZH2-YS version) Performance Level (PL) e, safety category 4 to EN ISO 13849-1 SIL Claimed Level (SIL CL) 3 to IEC/EN 62061 Safety Level Type III-C according to EN 574 Part numbers 85102621 Type Terminals Voltages Supply frequency range (Hz) Outputs KZH2-YS Screws 24 VDC No 2 NO Specifications Operating characteristics Functions Return loop Failure detection Display of output state by LED Protection of people with two-hand pushbuttons Y1 - Y2 Overvoltage and short circuit protection Power supply : PWR Output : OUT1 (relay K1) Output : OUT2 (relay K2) Supply Supply voltage Supply frequency range (Hz) Operating range Consumption Initialization time 85 102 621 / 85 102 631 : 24 VDC 85 102 632 : 24 VAC 50 / 60 (for AC version) 10 % U 2,3 W (DC) 4 VA (AC) 1s Precision Maximum reset time Maximum response time on emergency stop 30 ms 25 ms Output specification Type Number of safety circuits Number of data circuits Nominal output voltage Max. thermal current I for each contact Maximum power rating Forcibly guided relays (positively driven) 2 NO (KZH2-YS) 3 NO (KZH3-YS) 1 NC (KZH3-YS) 250 VAC max. 5A According to AC15 (NO contacts) : 3 A / 230 VAC According to AC15 (NC contacts) : 2 A / 230 VAC Accordinf to DC13 (NO contacts) : 4 A / 24 VDC ; 0,5 A / 110 VDC According to DC13 (NF contacts) : 4 A / 24 VDC Electrical endurance For 5 A, 230 VAC, cos = 1 : > 1,5 x 105 switching cycles For 8 A, 24 VDC, according to DC 13 (NO contacts) : > 25 x 103 switching cycles (ON : 0,4 s ; OFF : 9,6 s) Mechanical life Maximum rate Protection against short circuits 20 x 106 switching cycles 1800 switching cycles / h Max. fuse rating : 10 A gL Line circuit breaker : B 6 A Climatic environment Operating temperature (o C) -15 +55 Storage temperature (0C) Altitude Climate resistance according to IEC/EN 60068-1 -25 +85 < 2000 m 15 / 055 / 04 Mechanical environment Vibration resistance according to IEC/EN 60068-2-6 Amplitude : 0,35 mm Frequency : 10 55 Hz Electromagnetic environment Immunity to electrostatic discharges acc. IEC/EN 61000-48 kV (air) 2 Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected 02/11/2015 www.crouzet.com Immunity to radiated, radio-frequency, electromagnetic 10 V / m field acc. IEC/EN 61000-4-3 Immunity to rapid transient bursts acc. to IEC/EN 61000-42 kV 4 Immunity to shock waves according to IEC/EN 61000-4-5 Between wires for power supply : 1 kV Between wires and ground : 2 kV Immunity to radio frequency in common mode acc. to 10 V IEC/EN 61000-4-6 Interference suppression according to IEC/EN 55011 Limit value class B Housing Material : self-extinguishing (UL94VO) Protection (IEC/EN 60529) - Casing Protection (IEC/EN 60529) - Term. block Mounting Weight (g) Thermoplastic with V0 extinction behaviour IP40 IP20 DIN-rail 220 Safety standards Approvals Environmental directive 2002/95/CE Environmental regulation 1907/2006 Security data according to EN ISO 13849-1 SIL Claimed Level (SIL CL) to IEC/EN 62061 Safety Integrity Level (SIL) according to CEI/EN 61508 Safety category to EN 954-1 Safety Level according to EN 574 CE, TUV RoHS Reach Performance Level (PL) : e Category : 4 3 3 4 Type III-C Principles Dimensions (mm) Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected 02/11/2015 Dimensions (mm) Screw terminals Curves Function diagram Connections Front face drawing KZH2-YS Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected www.crouzet.com 02/11/2015 Connections Contacts Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected www.crouzet.com 02/11/2015 www.crouzet.com A1 (+) : + / L A2 : - / N Y1, Y2 : Feedback circuit input Y11, Y12, Y21, Y22 : Control inputs (push buttons) 13, 14, 23, 24, (33, 34) * : Safety circtui outputs (forcibly guided NO contacts) (41, 42) * : Monitoring output (forcibly guided NC contact) * : only for KZH3-YS version Applications Two-hand safety relay Applications Two-hand control with contact reinforcement via external positively-driven contactors Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected 02/11/2015 When switching inductive loads, spark absorbers are recommended Applications Two-hand control with contact reinforcement via external positively-driven contactors When switching inductive loads, spark absorbers are recommended Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected www.crouzet.com