| Product Type | ![]() |
| IEC Product Type | Watertight |
| Service Style | Standard |
| Device | Inlet |
| Amperage | 20A |
| Voltage | 3 Phase Y 120/208V |
| Poles and Wires | 3 Pole, 4 Wire |
| Terminal Accommodations | #14 To #10 AWG copper wire only |
| Color | ![]() |
| Replacement Interior Number | IN520EM |
| Hinge Spring | Stainless Steel (300 series) |
| Housing | Zytel 101 Nylon |
| Lock Ring | Rynite SST35 |
| Mounting Flange | Zytel 101 Nylon |
| Mounting Screws | Stainless Steel (300 Series) |
| Contact Carrier | High-Impact Thermoset |
| Retainer | High-Impact Thermoset |
| Ground/Phase Pins | Brass |
| Terminal Screws | Stainless Steel (300 series) |
| Assembly Screws | Stainless Steel (300 series) |
| Gaskets | Neoprene |
| Certification | UL Listed, CSA Certified |
| Dielectric Withstand Voltage | Withstands 3,000V AC |
| Max Working Voltage | 600V AC RMS |
| Current Interrupting | Certified for current interrupting at full rated current. |
| Short Circuit Withstand | Suitable for use on a circuit capable of delivering not more than 10,000 RMS symmetrical amperes at the voltage rating of the receptacle. |
| Temperature Rise | Max 30° C temperature rise at full rated current after 50 cycles of overload at 150% of rated current at a power factor of 75%. |
| Endurance | Mechanical: 10,000 cycles, Electrical: 6,000 cycles. |
| Impact Resistance | In accordance with UL746C |
| Terminal Identification | Terminals identified in accordance with North American and International conventions. |
| Product Identification | Identification and ratings are a part of the external label and molded into the receptacle mount. |
| Moisture Resistance | Watertight per IEC 60309-1 |
| Ingress Protection | IP67 Suitability |
| Flammability | UL94-5VA and V-0 classification. |
| Operating Temperatures | Maximum Continuous: 75° C; Minimum Continuous: -40° C w/o impact. |
| UV Resistance | All materials are UV Stabilized. |
| Certifications | UL Listed, CSA Certified. |
| Device Description | Every Hubbell non-metallic Pin and Sleeve product is designed to meet the International Standard IEC 60309-1 and IEC 60309-2. This device standard calls out singly rated, non-interchangeable configuration for every voltage and type of service. |
| UPC Number | 78358540528 |
| Weight in LBs | 1 |
| link to Drawing Library | Click here for Library |
| link to PDF Catalog | Click here for Catalog |
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| Configuration |
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| Front Dimensional Diagram |
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| Side Dimensional Diagram |
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