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Products
We group product reviews by series because products within a series often share ratings, features, and configurations. Typically, size is the only noticeable difference between the products within a series. By grouping reviews in this manner, we are able to provide you with comprehensive customer feedback on each series, as the products within them are remarkably similar. We believe this approach enables you to make more informed decisions by considering the collective feedback and experiences related to a particular series of products.
What is EMI?
EMI (electromagnetic interference) is the transmission of unwanted, external electromagnetic radiation that creates a disturbance within an electrical or electronic device.
Two Major Types of EMI:
Ambient EMI (Radiated EMI): Originates in other devices (TV, radio) or natural phenomena (lightning strikes, solar magnetic storm.)
Power Quality EMI (Conducted EMI): Originates in various kinds of disturbances and inconsistencies in a device’s power supply (voltage spikes/sags, line noise.)
What Polycase Enclosures Protect Against EMI?
SA Series: Constructed from 304 stainless steel, rated up to NEMA 4X.
SB Series: Constructed from 16-gauge carbon steel, rated up to NEMA 4X
AN Series: Constructed from ADC-12 diecast aluminum, rated up to NEMA 6P
AL Series: Constructed from ADC-12 diecast aluminum, indoor use only
EX Series: Constructed from anodized 6063 aluminum (extruded) and ADC-12 diecast aluminum end caps, rated IP66
Polycase offers a variety of metallic enclosures that provide an inherent level of EMI/RFI attenuation. Our metallic enclosures are constructed with non-conductive gaskets resulting in less attenuation compared to enclosures constructed with metallic gaskets that yield a faraday cage. Testing the specific enclosure for required EMI/RFI attenuation is recommended. Plastic enclosures can be modified with special EMI shielding that is applied to the enclosures. Please contact us for additional information or to receive a quote on this process.
Enclosures rated for temporary submersion should meet NEMA 6 or IP67 requirements to be considered safe for use.
Enclosures rated for complete submersion should meet NEMA 6P or IP68 requirements to be considered safe for use.
Polycase offers a complete selection of submersible enclosures for your waterproof electrical or electronics applications.
Rating Definitions:
IP67: Protection from submersion in water with a depth of up to 1 meter (or 3.3 feet) for up to 30 mins
IP68: Protection from submersion in water with a depth of more than 1 meter
NEMA 6: Protection against occasional temporary submersion at a limited depth. Per UL-50, the 6 Temporary Submersion testing is done at a depth of 6' for a 30-minute period.
NEMA 6P: Protection against prolonged submersion at limited depth in water. Per UL-50, the 6P Prolonged Submersion testing is done at a depth of 6' for a 24-hour period.
The ZH Series enclosures have a hinged cover with an optional latch or screw-down cover assembly. But with either cover assembly, the base and cover are attached with a hinge.
The ZQ Series enclosures only offer the screw-down cover style, there is no hinge or latch option.
All enclosures with screw-on covers include the required screws. If you need additional enclosure screws, contact customer service. The internal PCB mounting boss screws are sold separately and are listed on each product's page.
Stock part numbers are our regular catalog of products easily searched on our website. Stock parts are off-the-shelf enclosures available for purchase.
Custom part numbers are enclosures that are modified with CNC machining and/or digital printing & graphics specifically for you, so these part numbers are unique and not found within our regular catalog (custom part numbers start with J-, JG- or G-). Your custom part numbers are found in your account under the "My Quotes & Custom Parts" section.
Polycase uses flame-retardant plastic material for all of our electronic enclosures. Due to the flame-retardant additive in the material, the plating can be spotty and inconsistent. Along with being a relatively expensive addition, the inconsistency renders the plating potentially useless. Therefore, chrome-plating is possible, but not recommended.
First, are you looking for a custom part number or a stock part number? Custom part numbers always start with J-, JG- or G-. If you are looking for a custom part number, it can be found under the "My Quotes & Custom Parts" section of your account. If you still can't find your custom part in your account, contact us as we would be happy to help! If you are looking for a stock part number that you can't find, you are probably looking at a "complete" part number. Most of our products have configurable options, so the page name is different than the complete part number of the final SKU you are looking for. For example, if you are looking for "DC-47FMBYT", the page name is just DC-47F. You can shop with your specific part number by typing it into the search bar and hitting enter, or by using our "quick order tool" and typing in the complete part number. If you still need help finding the product you are looking for, contact us and we would be happy to help.
Only complete enclosures are sold on our website. UL listed enclosures must be sold as complete units. The potting boxes (BF, BX, and TX series) are sold without covers, but the optional glue-on cover is available for purchase.
A popular solution is a process known as solvent bonding, using compounds such as acetone or MEK. The solvent is placed on both surfaces of the parts to be bonded (the outer ridge of the potting box and the inside of the cover). This softens each of the surfaces and causes them to swell. Then, by applying pressure to the two parts and allowing the solvents to evaporate, the two surfaces are permanently bonded. A simpler method is to use Super Glue or any sort of ABS or plastic cement.
Yes, Polycase sells PCB mounting boss screws for all enclosures with internal bosses. The correct PCB screws are listed on the product pages.
Polycase does not supply contacts to wire the VM-Series enclosure batteries In-Parallel. Our contacts are for In-Series. Listed below are part numbers of battery contacts that you can look at to wire the batteries in parallel. You can purchase the contacts from a distributor such as Allied Electronics - www.alliedelec.com
Battery contact manufacturer: Keystone Electronics
part numbers:
5228 dual spring contact
5227 dual button contact
5221 single button contact
5222 single spring contact
Polycase does not offer rubber bumpers for enclosures, with the exception of the EX Series (these are included with purchase for use specifically for the EX Series). Rubber bumpers are commonly available from electronics distributors. When selecting a bumper, choose one where the diameter is slightly smaller than the recessed indentation that you are putting them in.
Polycase’s bone and gray colors are not made to a specific PMS color, or any other color standard. They are color matched to a previous proprietary resin color. Based on a visual comparison to a printed PMS booklet, bone is most similar to PMS 7534 and gray is most similar to PMS Cool Gray 6. Note we recommend referencing these values for graphical design purposes only. These values should not be used if a color match is required for any other components.
Polycase enclosures are available in either aluminum, steel, ABS plastic or Polycarbonate plastic. In general, plastic enclosures will have a reduced recommended operating temperature compared to aluminum and steel. Their properties will change at both low and high temperatures and may no longer be stable. Generally, ABS will have useful characteristics within a temperature range from −20 to 80 °C (−4 to 176 °F), whereas Polycarbonate’s temperature range is from -40°C to 120°C (-40°F to 248°F). However, components of the enclosure (such as a gasket) can still affect the ranges in which the enclosure can operate. Please refer to the ratings (and materials tab) on the product pages for specific details.