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.
HBL520R7W
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Specifications

Mounting Screws
Stainless Steel (300 Series)
Weight in LBs
1.1
Device
Receptacle
Flammability
UL94-5VA and V-0 classification.
Replacement Interior Number
IN520EF
Color
red
Hinge Spring
Stainless Steel (300 series)
Assembly Screws
Stainless Steel (300 series)
Ingress Protection
IP67 Suitability
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.
Housing
Zytel 101 Nylon
Endurance
Mechanical: 10,000 cycles, Electrical: 6,000 cycles.
Max Working Voltage
600V AC RMS
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%.
Product Type
iec-devices
Retainer
High-Impact Thermoset
Certification
UL Listed, CSA Certified
Terminal Accommodations
#14 To #10 AWG copper wire only
Arm Spring
Stainless Steel (17-1 Type)
Contact Carrier
High-Impact Thermoset
Mounting Flange
Zytel 101 Nylon
Cover
Rynite SST35
Terminal Screws
Stainless Steel (300 series)
Product Identification
Identification and ratings are a part of the external label and molded into the receptacle mount.
Voltage
3 Phase Y 277/480V
Amperage
20A
Pin/Sleeve Spring
Stainless Steel (300 Series)
Terminal Identification
Terminals identified in accordance with North American and International conventions.
IEC Product Type
Watertight
Certifications
UL Listed, CSA Certified.
Rotating Sealing Disc
Polycarbonate
Poles and Wires
4 Pole, 5 Wire
Operating Temperatures
Maximum Continuous: 75° C; Minimum Continuous: -40° C w/o impact.
Impact Resistance
In accordance with UL746C
Ground/Phase Sleeve
Brass
UV Resistance
All materials are UV Stabilized.
Dielectric Withstand Voltage
Withstands 3,000V AC
Current Interrupting
Certified for current interrupting at full rated current.
Cover Screw/Rivet
Nickel Plated Brass
Gaskets
Neoprene
Service Style
Standard
Cover Arm
Rynite SST35
Moisture Resistance
Watertight per IEC 60309-1

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