The MERSEN 20358R is a Class H, K, and R fuse block that accommodates Class H, K, and R 250 and 600V power fuses. It features screw, pressure plate, box, and special order stud connectors for a wide range of stranded or solid copper or aluminum wire. Insulators are molded glass-filled polycarbonate (GFPC).
Accommodates all Class H, K and R 250 and 600V power fuses
Features high conductivity tinplated copper fuse clips
Insulators are molded glass-filled polycarbonate
Product Highlights
The MERSEN 20358R fuse block is suitable for use in industrial applications requiring reliable overcurrent protection.
Product Information
Standard Information
Brand: MERSEN
Manufacturer Part Number: 20358R
Country of Origin: Mexico
Technical Specifications
Item number
20358R
Description
Fuse Holder 250V 30A R 3P FUSE BLK CU
EAN/UPC Code
782001663841
Rated voltage AC UL
250 V
Rated voltage DC UL
250 V
Frequency (Hz)
50/60 Hz
Ampere Rating
30 A
AC or DC
AC/DC
Fuse Class
Class R
Short Circuit Current Rating (SCCR)
200 kA
Number of Poles
3 Pole
Fuse Installation Method
Clip-in
Torque Rating
3.954 N m
Max Fuse Rating
30 A
Installation Mounting
Direct Screw Mount
Product Width
76.2 mm
Product Length
76.2 mm
Product Height
35.1 mm
Product group
Fuse Bases
Body/Insulating Material
Glass Filled Polycarbonate
MFR #
20358R
Width
3 in
Length
3 in
Height
1.38 in
For Fuse Size
2 in L x 9/16 in dia
Mounting Hole Dia.
0.19 in
Overall Height
1.38 in
Overall Width
3 in
Overall Length
3 in
Wire Size - Minimum
14 AWG
Wire Size - Maximum
4 AWG
Wire Size
14 to 4 AWG
Item
Open Fuse Block
UL Class
R
Series
2HKRFB
Amp Range
0 to 30A
Voltage Rating
250V AC/DC
Connector Type
Box Lug
Mounting Style
Bolt-Down
Visual Indication
Non-Indicating
Fuse Block Style
Rejection
Spring Reinforced Clip
Yes
Fuse Block Design
Open
Standards
CSA Certified, UL Listed
Fuse Holder Code
H
For Fuse Series
A2D-R, A2K-R, TR-R
Fuse Type
Industrial
Fits Fuse Type
Class R
Wire Range
14 AWG to 4 AWG
Short Circuit Current (KA)
200 kA
Frequency Range (Hz)
50/60 Hz
Max. Operating Temp.
80 deg C
Fits Fuse Block Style
Rejection
Rated Torque (In.-Lb.)
35 lb-in
Fuse Block or Holder DC Voltage Rating
250VDC
Short Description
Fuse Bases 250V 30A Class R 3-pole Tin-Plate Copper Copper Box