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Dairyland Electrical Industries Polarization Cell Replacement - Zone 1

Dairyland Electrical Industries Polarization Cell Replacement - Zone 1

Polarization Cell Replacement for Hazardous Locations (PCRH)

Dairyland offers two versions of the Polarization Cell Replacement for addressing hazardous (classified) locations: the standard PCR for Class I, Div 2 and Zone 2 areas, and the PCRH for Class 1, Division 1 and Zone 1 areas. Featuring the same technology as the PCR in an explosion-proof package, the PCRH has been fully tested and listed by Underwriter’s Laboratory (UL) to the US and Canadian standards, as well as to European standards ATEX and IECEx. Third party certifications to these standards make Dairyland decouplers the first in the world to carry such certifications.

Features & Characteristics

♦Utilizes the same proven and reliable design of the PCR
♦UL, C-UL listed explosion-proof design: unique to the industry
♦Listed for use in Division 1 & 2 areas, Groups B, C, D
♦IECEx certified for Zone 1 – UL
♦ATEX certified for Zone 1 – UL/DEMKO
♦Listed as an “effective grounding path” per the NEC and CSA grounding standards

Model Number Description Chart

Basic Ratings

AC Fault Current (amperes-rms) 50 Hz
Model
1 cycle
3 cycles
10 cycles
30 cycles
PCRH-3.7kA-BCD
6500
5000
4200
3700
PCRH-5kA-BCD
8800
6800
5700
5000
PCRH-10kA-BCD
19,000
14,000
11,000
9000
PCRH-15kA-BCD
33,000
25,000
19,000
14,000
AC Fault Current (amperes-rms) 60 Hz
Model
1 cycle
3 cycles
10 cycles
30 cycles
PCRH-3.7kA-BCD
6500
5000
4200
3700
PCRH-5kA-BCD
8800
6800
5700
5000
PCRH-10kA-BCD
20,000
15,000
12,000
10,000
PCRH-15kA-BCD
35,000
27,000
21,000
15,000

Threshold Voltage

♦-3/+1V (standard)
♦-2/+2V (optional)

Lightning Surge Current

♦100kA crest (8 x 20 µs waveform)

Third-Party Listings & Approvals

♦Underwriter’s Laboratories (UL)
♦Underwriter’s Laboratories – Canada (C-UL)
♦UL/DEMKO
♦NANIO-CCVE

AC Steady-State Current (Amperes-RMS) 50/60Hz

♦45A (standard)

Environmental Rating

♦NEMA 4X, IP66

Hazardous (Classified) Areas

Class I, Division 1 & 2, Groups B, C, D according to:
♦NFPA 70 (U.S. National Electric Code) sections 500-505
♦UL 1203
♦CSA C22.2 No. 30-M1986 (R2012)
♦EAC: GOST R IEC 60079-1-2008, GOST R IEC 60079-0-2011
♦ATEX and IECEx
For Zone 1 use for Gas Group IIB under protection method “d” according to: EN60079-0:2009; EN60079-1:2007; IEC60079-0, 5th Edition; IEC60079-1, 6th Edition

Packing Specifications

PCRH-3.7kA-BCD or PCRH-5kA-BCD
Quantity
Weight
Packaged Dimensions
1
32
24x16x8″
PCRH-10kA-BCD
Quantity
Weight
Packaged Dimensions
1
33
24x16x8″
PCRH-15kA-BCD
Quantity
Weight
Packaged Dimensions
1
49
24x16x8″

Competitive Comparisons

Comparison of Dairyland model PCRH to other solid-state devices
Following on the success of the model PCR, the Dairyland model PCRH offered fully certified products for Class I, Division 1 hazardous locations. There are no equivalents to the model PCRH, however it is common for others to place a protection product inside of a commercially available explosion-proof box and erroneously consider the entire package to be considered “explosion-proof.” Altering a certified enclosure nullifies the listing or certification unless the entire package is again tested and recertified. Dairyland has taken the route of full testing and certification for the model PCRH, as it is used in explosive atmospheres. The device was successfully tested and certified.

The PCRH has extensive certification. In fact, no other products of this type on the market have any known certification to any standards whatsoever. Consider the following PCRH certifications:
♦UL listed as an “effective grounding path” per the US National Electrical Code (NEC)
♦UL listed for blocking cathodic protection current per the US NEC
♦UL listed as meeting the lightning surge current standards
♦UL listed for Class I, Division 1 & 2 hazardous locations
♦UL listed NEMA 4 environmental rating
♦C-UL listed as an “effective grounding path” per the Canadian Electrical Code
♦C-UL listed for Class I, Division 1 & 2 hazardous locations

Other features include:
♦Unique, patented construction that assures maintenance-free operation
♦Assured fail-safe design, independently tested
♦Proprietary manufacturing methods that assure corrosion resistance, high AC fault capability, and low leakage current

For more information on PCRH certification, see the full data sheet above.

Dairyland Electrical Industries Polarization Cell Replacement - Zone 1

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