# Meltric 31-38173-K07-973 DR50 High Ampacity Inlet 3P+G 50A 250V Type 3R Polymer Blue - MROSupply.com

***Meltric 31-38173-K07-973 DR50 high ampacity inlet, 50A 250VAC 60Hz, 3-pole plus ground (3P+G) configuration. Polymer blue housing, Size 3 frame, Type 3R rated for outdoor use. Includes three auxiliary contacts for control circuit integration in industrial power applications.***



## Product details:

- Catalog number: 31-38173-K07-973
- SKU: 96738505
- Price: ***$197.55*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Meltric](https://www.mrosupply.com/brands/meltric/)
- Category: 
    - [Pin and Sleeve Receptacles](htts://www.mrosupply.com/electrical/plugs-and-receptacles/pin-and-sleeve-receptacles/)
    - [Plugs and Receptacles](htts://www.mrosupply.com/electrical/plugs-and-receptacles/)
    - [Electrical](htts://www.mrosupply.com/electrical/)
- Unit of measure: each
- Weight: 0.588 lb
- UPC: 784474007603
- Returns: Yes


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Accessory Size: 3
  

  
- Aux Condenser Strip Length: 5/8 IN OR 16 MM
  

  
- Aux Contact Max Voltage Rating: 600VAC
  

  
- Aux Pilot Contact Current Rating: 1.2A
  

  
- Aux Term Tightening Torque: 15 IN-LBS / 1.7 N-M
  

  
- Aux Term Type: SCREW
  

  
- Aux Term Wire Cap Max: 14 AWG
  

  
- CSA List File: 155873
  

  
- CSA List Std 1: C22.2 No. 182.1-13
  

  
- CSA Listing: cCSAus
  

  
- Current Interrupting Rating: CURRENT INTERRUPTING
  

  
- Frequency: 60 Hz
  

  
- Impact Rating: IK09
  

  
- Keying Position: 17
  

  
- Load Break Abnormal Overload: 75 A
  

  
- Load Break Normal Operation: 50 A
  

  
- Material: POLY
  

  
- Maximum Operating Temperature-C: 60C
  

  
- Maximum Operating Temperature-F: 140F
  

  
- Minimum Operating Temperature-C: -40C
  

  
- Minimum Operating Temperature-F: -40F
  

  
- NEMA Watertightness: 3R
  

  
- Number Of Auxiliary Contacts: +3 AUX
  

  
- Number of Notch Pos: 24
  

  
- Phase Condenser Strip Length: 7/8 IN OR 22 MM
  

  
- Phase Term Tightening Torque: 15 IN-LBS / 1.7 N-M
  

  
- Phase Term Type: SCREW TERMINAL
  

  
- Phase Term Wire Cap Max THHN: 4 AWG
  

  
- Phase Term Wire Cap Max Type W: 4 AWG
  

  
- Phase Term Wire Cap Min THHN: 14 AWG
  

  
- Phase Term Wire Cap Min Type W: 14 AWG
  

  
- Primary IP Rating: 54
  

  
- Prod Wire Temperature Rating: 60C
  

  
- Product Color: BLUE
  

  
- Rated Current: 50 A
  

  
- Rated Voltage: 250 VAC
  

  
- Short Circuit Rating: 100 kA - CLOSE & WITHSTAND
  

  
- Short Circuit Rating Fusing: 100 kA 125 A (250%) RK1 NTD
  

  
- Ul List File: E79796 VOLUME 8 SECTION 3
  

  
- Ul List Std 1: UL 1682
  

  
- Ul Listing: UL
  

  
- Ul508 Pilot Rating: 3 @ code A600
  

  
- Voltage Color Code: ORANGE
  
## Product documents / software:

- [Catalog](https://documents.mrosupply.com/product_documents/96/73/96738404/meltric-catalog-dr50-en_CZIhlbd.pdf)
- [Drawing](https://documents.mrosupply.com/product_documents/96/73/96738552/31-38xxx-kxx_Y7skq5O.PDF)
- [Operating Instructions](https://documents.mrosupply.com/product_documents/96/74/96741217/meltric-instruction-dr-dr7c-ds7c_SK85pFO.pdf)