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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.
MODEL 31-38173-K07-973
$197.55 Each
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Returnable: Yes
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
Pin and Sleeve Receptacles The Meltric 31-38173-K07-973 DR50 Inlet is a high-performance electrical connector designed for reliable and safe connections in demanding industrial environments. This blue inlet is engineered with a robust construction that supports a range of applications, effectively combining the functionality of a disconnect switch with the convenience of a traditional plug and receptacle design.
Key Features
| Type 3R Enclosure | Ensures protection against rain and dust, suitable for outdoor installations. |
|---|---|
| 3P+G Configuration | Features three power pins and a ground pin for enhanced safety and ease of use. |
| 50 Amp Rating | Capable of handling heavy loads with a rated current of 50 A at 250 VAC, making it ideal for high-amperage applications. |
| Frequency Compatibility | Operates efficiently at 60 Hz, ensuring compatibility with standard electrical systems. |
| Auxiliary Contacts | Includes three additional auxiliary contacts for control or signaling purposes, enhancing functionality. |
Applications
| Industrial Equipment | Perfect for powering large machinery and equipment in manufacturing and processing facilities. |
|---|---|
| Construction Sites | Ideal for temporary installations where reliable electrical connections are crucial. |
| Outdoor Installations | Designed to withstand various environmental conditions, making it suitable for outdoor use in construction and maintenance operations. |
Benefits
| Enhanced Safety | Switch-rated design allows for safe connection and disconnection under load, reducing the risk of electrical accidents. |
|---|---|
| Durability | Constructed from high-quality materials that ensure long-lasting performance and resistance to wear and tear in harsh environments. |
| User Convenience | The pin and sleeve design simplifies electrical connections, making setup and maintenance easier for operators. --- Product information compiled with AI assistance for reference purposes. |
