Catalogs > Safety Products Catalog > Logic > Safety Relays > Specialty Safety Relays > Back EMF Monitors > CU3
CU3
| Introduction |  |
Specifications | |
Product Selection | |
Accessories | |
Approximate Dimensions—mm (inches) | |
Block Diagram | |
Typical Wiring Diagrams | |
| Safety Ratings | ||
| Standards | EN 954-1, ISO 13849-1, IEC/EN 60204-1, IEC 60947-5-1, ANSI B11.19, AS4024.1 | |
| Safety Classification | Cat. 1 per EN 954-1 | |
| Functional Safety Data ¬ Note: For up-to-date information, visit http://www.ab.com/Safety/ |
PFHD: See website MTTFd: See website Suitable for performance levels Ple (according to ISO 13849-1:2006) and for use in SIL3 systems (according to IEC 62061) depending on the architecture and application characteristics |
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| Certifications | CE marked for all applicable directives, cULus, c-Tick, and TÜV | |
| Power Supply | ||
| Input Power Entry | 24V AC/DC, 115/230V AC | |
| Power Consumption | <4 VA | |
| Motor Voltage | 500V max. | |
| Inputs | ||
| Safety Inputs | Z1/Z2 Motor Voltage | |
| Reset | Automatic/Manual | |
| Outputs | ||
| Safety Contacts | 2 N.O. | |
| Auxiliary Contacts | 1 N.C. | |
| Rated Impulse withstand Voltage | 2500V | |
| Switching Current @ Voltage, Min. | 10 mA/10V | |
| Fuses, Output | 5 A quick acting (external) | |
| Electrical Life (Operations) | 220V AC/4 A/880VA cosf = 0.35…0.1 M 220V AC/1.7 A375VA cosf = 0.6…0.5 M 30V DC/2 A/60 W = 1 M 10V DC/0.01 A/0.1 W = 2 M |
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| Mechanical Life | 2,000,000 operations | |
| Utilization Category | ||
| Inductive: B300: AC-15 | 5 A @ 250V AC | 5 A @ 120V AC |
| Inductive: DC-13 | 3 A/24V DC | |
| Environmental and Physical Characteristics | ||
| Enclosure Type Rating/ Terminal Protection |
IP40, DIN 0470/ IP20 DIN 0470 |
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| Operating Temperature [C (F)] | -10…55° (14…131°) | |
| Vibration | 0.75 mm (0.30 in) peak, 10…55 Hz | |
| Shock | 30 g, 11 ms half-sine | |
| Mounting | 35 mm DIN Rail | |
| Weight [g (lbs)] | 510 (1.12) | |
| Conductor Size, Max. | 1 x 2.5 mm2 (14 AWG) stranded, 1 x 4 mm2 (12 AWG) solid | |
| ¬ Usable for ISO 13849-1:2006 and IEC 62061. Data is based on the following assumptions: - Mission time/Proof test interval of 20 years - Functional test at least once within six-month period |
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