DZ-110/ DZ-110U/ DZ-120, Zener Barrier Unit

Instrumentation and Automation

Zener Barrier Unit

DZ-110/ DZ-110U/ DZ-120

Product Description

Intrinsically Safe Transmitter Barrier is a single channel shunt diode safety barrier intended for energising a 2-wire, 2 to 20 mA/4-20 mA//HART signal transmitter in hazardous areas.

Product Ratings

DZ-110 | Power supply: 24 VDC (18 to 35 VDC); | Input and output current range: 0 to 22 mA; | Ambient temperature range: -20 to +55 degrees C; | Enclosure protection degree: IP 20 | Safety Data: | Max. output voltage: Uo = 25,5 VDC, | Max. output current: Io = 122 mA, | Max. output power: Po = 0,78 W, | Max. external capacitance: Co = 104 nF, | Max. external inductance: Lo = 2,2 mH, | Max. external inductance/resistance ratio: Lo/R = 45,9 uH/Ohm | Max. connected voltage: Um = 250 VAC. | Protection: II (1) G [Ex ia Ga] IIC, Ex Certification: Presafe 14 ATEX 4368, IECEx PRE 14.0005 | | DZ-110U | Power supply: 24 VDC (18 to 32 VDC); | Input and output current range: 0 to 22 mA; | Ambient temperature range: -20 to +70 degrees C; | Enclosure protection degree: IP 20 | Safety data | Max. safe voltage: Um = 250 VAC | Max. output voltage: Uo = 25.2 VDC | Max. output current : Io = 116 mA | Max. output power: Po = 0.73 W | Max. external capacitance: Co = 107 nF | Max. external inductance: Lo = 2.6 mH | Max. ratio: Lo/ Ro = 48.8 uH/ | Protection: II (1) G [Ex ia Ga] IIC, Ex Certification: Presafe 14 ATEX 4368, IECEx PRE 14.0005 | | DZ-120 | Power supply: 24 VDC (+/- 0.5V) | Input and output current range: 4 to 20 mA; | Ambient temperature range: -20 to +70 degrees C; | Enclosure protection degree: IP 20. | Safety Data: | Maximum output voltage. Uo: 26.5 VDC | Maximum output current. Io: 112 mA | Maximum output power. Po: 0.74 W | Maximum external capacitance. Co: 95 nF | Maximum external inductance. Lo: 2.8 mH | Maximum external inductance to resistance ratio. Lo/Ro: 48 uH/ | Protection: II (1) G [Ex ia Ga] IIC, Ex Certification: Presafe 16 ATEX 7965, IECEx PRE 16.0020

Applicable Standards

IEC 60079-0 Ed 6.0 :2011, IEC 60079-11 Ed 6.0:2011

EN 60945: 2002, EN 60079-0:2012, EN 60079-11:2012, EN 61000-4-2 Ed 2.0: 2009

IACS E10 Rev 6.0: 2014