Productos
1756-OF8, Allen Bradley, Modulo de salida analógica, output 8 puntos, current/tens, ControlLogix
29 de junio de 2023
Vi-LCW3-EV, Vicor Corporation, DC/DC CONVERTER +/-24V 150W
1 de julio de 2023
Z787.H, PEPPERL + FUSCHS, Z-SERIES, BARRERA ZENER
Zener Barrier Z787.H
Description
- 2-channel
- DC version, positive polarity
- Working voltage 26.5 V at 10 µA
- Series resistance max. 250 Ω
- Fuse rating 80 mA
- DIN rail mountable
- High power version
- With diode return
| General specifications | ||
|---|---|---|
| Type | DC version, positive polarity | |
| Electrical specifications | ||
| Nominal resistance | 240 Ω | |
| Series resistance | max. 250 Ω | |
| Fuse rating | 80 mA | |
| Hazardous area connection | ||
| Connection | terminals 1, 2; 3, 4 | |
| Safe area connection | ||
| Connection | terminals 5, 6; 7, 8 | |
| Working voltage | ||
| Supply loop | max. 27 V | |
| Measurement loop | max. 26.5 V at 10 µA | |
| Conformity | ||
| Degree of protection | IEC 60529 | |
| Ambient conditions | ||
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) | |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) | |
| Relative humidity | max. 75 % , without condensation | |
| Mechanical specifications | ||
| Degree of protection | IP20 | |
| Connection | screw terminals | |
| Core cross section | max. 2 x 2.5 … mm2 | |
| Mass | approx. 150 g | |
| Dimensions | 12.5 x 115 x 116 mm (0.5 x 4.5 x 4.6 inch) (W x H x D) | |
| Construction type | modular terminal housing , see system description | |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | |
| Data for application in connection with hazardous areas | ||
| EU-type examination certificate | BAS 01 ATEX 7005 | |
| Marking |  II (1)GD, I (M1) [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I |
|
| Voltage | 28 V | |
| Current | 120 mA | |
| Power | 830 mW | |
| Supply | ||
| Maximum safe voltage | 250 V | |
| Series resistance | min. 235 Ω | |
| Certificate | TÜV 99 ATEX 1484 X | |
| Marking | II 3G Ex nA IIC T4 Gc |
|
| Directive conformity | ||
| Directive 2014/34/EU | EN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 60079-15:2010 | |
| International approvals | ||
| FM approval | ||
| Control drawing | 116-0118 | |
| UL approval | ||
| Control drawing | 116-0139 (cULus) | |
| IECEx approval | ||
| IECEx certificate | IECEx BAS 09.0142 IECEx BAS 17.0091X |
|
| IECEx marking | [Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I Ex ec IIC T4 Gc |
|
| General information | ||
