Pelco MHX3CW000A Explosion-Proof Stainless Housing, Wiper, 120 VAC
Description
Pelco MHX3CW000A Explosion-Proof Stainless Housing, Wiper, 120 VAC
The Pelco MHX3CW000A is a MAXIMUS MHX explosion-proof camera housing in AISI 316L stainless steel, powered at 120 VAC with wiper and supplied with a sunshield and heater. It is certified for potentially explosive gas and dust atmospheres (Ex db IIC T6, Ex tb IIIC T85 C) found in refineries, pipelines, offshore platforms, tankers and chemical plants, and it holds a box camera and lens up to 80 x 82 x 245 mm (3.1 x 3.2 x 9.6 in) drawing up to 13 W. The integrated telemetry receiver lets an RS-485 controller run the wiper, a washer pump and an external illuminator, and a dry-contact input can trigger the wiper. The camera is not included. Mount it with the MHXWFWCA ball joint, the MVXWB wall bracket, or the MPXCOL pole and MPXCW corner adapters.
Key Specifications
| Part number | MHX3CW000A |
| Type | Explosion-proof camera housing with wiper |
| Series | MAXIMUS MHX |
| Power | 120 Vac, 0.5 A, 50/60 Hz, 60 W |
| Material | AISI 316L stainless steel, passivated and electropolished |
| Window | Tempered glass, 75 mm (3.0 in) usable diameter |
| Max camera and lens | 80 x 82 x 245 mm (3.1 x 3.2 x 9.6 in), 13 W |
| Cable entry | 2 x 3/4 in NPT |
| Ex marking | Ex db IIC T6 Gb; Ex tb IIIC T85 C Db |
| Operating temperature | -40 to +60 C (-40 to 140 F) |
| Ingress protection | IP66, IP67 |
Full specifications are listed in the Detailed Specifications tab.
Installation
Fit the camera on the internal slide, keep at least 10 mm between lens and window, and bring cables in through the two 3/4 in NPT entries using certified Ex cable glands or conduit seals rated at least 30 C above ambient. Installation must follow the installation manual and local hazardous-area rules.
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Frequently Asked Questions About the Pelco MHX3CW000A
What is the MHX3CW000A?
A MAXIMUS MHX explosion-proof camera housing in AISI 316L stainless steel for 120 VAC power with wiper, with sunshield and heater included.
Which hazardous areas is it certified for?
It carries ATEX, IECEx, KCs and UK Ex markings Ex db IIC T6 Gb and Ex tb IIIC T85 C Db for gas and combustible dust atmospheres, with -40 to +60 C ambient.
What size camera fits inside?
Cameras and lenses up to 80 x 82 x 245 mm (3.1 x 3.2 x 9.6 in), drawing up to 13 W, with at least 10 mm between the lens and window. The camera must not contain cells or batteries.
Is a camera included?
No. The housing is supplied without a camera; the sunshield and heater are included.
How is it mounted?
Pelco lists the MHXWFWCA ball joint, MVXWB wall bracket, MPXCOL pole adapter, MPXCW corner adapter and NXFWBT parapet bracket for the MHX range.
How is the wiper controlled?
Through the RS-485 line (Pelco D or Videotec Macro protocols) or a dry-contact input. Relay outputs can also switch a washer pump and an external illuminator.
Detailed Specifications
Pelco MHX3CW000A Specifications
| Specification | Details |
|---|---|
| General | |
| Model | MHX3CW000A |
| Series | MAXIMUS MHX |
| Construction | AISI 316L stainless steel |
| External surfaces | Passivated and electropolished |
| Seals | Silicone O-rings |
| Mechanical | |
| Cable entry | 2 holes, 3/4 in NPT |
| Sunshield | AISI 316L stainless steel, included |
| Wiper | Yes |
| Unit weight | 16.5 kg (36 lb) |
| Window | |
| Type | Tempered glass |
| Usable diameter | 75 mm (3.0 in) |
| Thickness | 12 mm (0.47 in) |
| Electrical | |
| Supply | 120 Vac, 0.5 A, 50/60 Hz, 60 W |
| Heater | On at 15 C +/- 4 C (59 F +/- 7 F), off at 22 C +/- 3 C (72 F +/- 5 F) |
| Communications | |
| Serial interface | 1 RS-485 line, half-duplex |
| Addresses | Up to 31, via DIP switch |
| Protocols | Pelco D (2400, 9600 baud); Videotec Macro (9600, 38400 baud) |
| I/O (wiper version) | |
| Remote wiper activation | 1 input, dry contact NO |
| Day/night camera status | 1 input |
| Washer relay | 1 output, 60 Vdc or 30 Vac max, 1 A |
| Illuminator relay | 1 output, 60 Vdc or 30 Vac max, 1 A |
| Cameras | |
| Max camera and lens size (WxHxL) | 80 x 82 x 245 mm (3.1 x 3.2 x 9.6 in) |
| Max power (camera, lens, assembly) | 13 W |
| Min distance camera to window | 10 mm (0.4 in) |
| Environment | |
| Installation | Indoor and outdoor |
| Operating temperature | -40 to +60 C (-40 to 140 F) |
| Relative humidity | 5 to 95 percent |
| Ingress protection | IP66, IP67 (EN/IEC 60529) |
| Certifications | |
| Explosion-proof | ATEX, IECEx, KCs, UK Ex |
| ATEX / UK Ex | II 2 G Ex db IIC T6 Gb; II 2 D Ex tb IIIC T85 C Db; -40 C to +60 C ambient |
| IECEx / KCs | Ex db IIC T6 Gb; Ex tb IIIC T85 C Db; -40 C to +60 C ambient |
| Electrical safety | EN/IEC 60950-1, EN/IEC 62368-1 |
| EMC | EN 61000-6-4, EN 55032 Class A, FCC Part 15 Class A |
| Vibration | EN 50130-5, EN 60068-2-6 |
| Shipping | |
| Package weight | 19 kg (42 lb) |
| Package dimensions | 58 x 34 x 22 cm (23 x 13.4 x 8.7 in) |
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