20308R - Mersen 30A 250V 3-Pole Class R Fuse Block with Spring Reinforced Clips
Hover to zoom
20308R - Mersen 30A 250V 3-Pole Class R Fuse Block with Spring Reinforced Clips

Reference images. Contact us for photos of the available unit.


Mersen

20308R

Mersen 30A 250V 3-Pole Class R Fuse Block with Spring Reinforced Clips

Current: 30Voltage: 250V
Choose your condition
Compare New & Re-Certified

New
Original equipment manufacturer (OEM) products that have never been energized. New items may come in their original factory packaging or may be unused components removed from new panels. Packaging and cosmetic appearance can vary; contact our team for details or photos of the available unit.

Re-Certified
Original equipment manufacturer (OEM) products that have previously been energized and have been inspected, tested, and recertified for return to service. These items may show signs of prior use. Contact our team for details about the unit’s condition, testing documentation, and applicable warranty.

Ask about this part →
$43.18 $749.51
Save $706.33
15 In stock, ready to be shipped
View warranty coverage Return eligibility

Need it urgently? Call to confirm shipping options

Buying for a project? Request a quote

Same-Day Shipping

Most items ship same-day if ordered by 12:30 PM PST.

Product Description & Specifications

Confirm the complete catalog number and application requirements before ordering. The specifications below reflect the product information available for this listing.

Manufacturer
Mersen
Sub-Category
Fuse Block
Frame
203
Rated current
30
Voltage
250V
Country of origin
Mexico
Mounting
Box
UPC
078200175042
GTIN
00782001750428
Dimensions
3 in x 3 in x 1.38 in
Weight
0.24
Certification
CSA Certified, UL Listed
Product description & additional details

20308R


20308R is a 30 Amp, 250 Volt AC/DC 3-pole fuse block from Mersen designed for Class R fuses with spring reinforced clips.This fuse block features a box lug connection suitable for aluminum and copper wires (#2-14 AWG), direct screw mounting, and meets UL 4248 requirements. It has an interrupting rating of 200,000 AIC RMS and is UL listed (guide IZLT, file E52283), UL recognized (guide IZLT2, file E52283), and CSA certified (class 6225, file 32169). The insulator is molded glass-filled polycarbonate, providing high dielectric strength and durability.
  • Amperage: 30 Amps
  • Voltage Rating: 250 VAC / 250 VDC
  • Poles: 3
  • Mounting Type: Direct Screw Mount
  • Interrupting Rating: 200,000 AIC RMS
  • Fuse Class Compatibility: Class R (UL Class RK1 and RK5 compatible)
  • Connection Type: Box Lugs for Al/Cu #2-14 AWG
  • Clip Type: Spring Reinforced
  • Material: Molded Glass-Filled Polycarbonate Insulator
  • Certifications: UL Listed, UL Recognized, CSA Certified
  • Dimensions: Approx. 3 in L x 3 in W x 1.38 in H
At Essential Parts, we offer fast shipping, lowest price, and expert support to help you get the right product every time.

Specifications

  • Part Number: 20308R
  • Manufacturer : Mersen
  • Brand : Mersen
  • Category : Fuse
  • Item Subcategory : Fuse Block
  • Type : 203
  • Voltage : 250
  • Amperage : 30
  • Mounting : Box

Product Data

  • UPC : 078200175042
  • GTIN : 00782001750428
  • Country of Origin : Mexico
  • Dimensions : 3 in x 3 in x 1.38 in
  • Weight : 0.24
  • Certification : CSA Certified, UL Listed

Return eligibility: what to know before ordering

Return requests must be made within 30 days of shipping and require authorization. Used, installed, energized, or tested items are not eligible. A restocking fee of up to 35% may apply. Review the full policy before purchase.

Product-specific restrictions apply. International orders are non-cancellable and non-refundable under the policy.

Read the complete return and warranty policy ↗

Warranty supplied by Essential Electric

Warranty coverage is provided by Essential Electric, subject to the product and policy terms. Essential Electric is an independent supplier. Surplus or discontinued inventory may not qualify for the original manufacturer’s warranty.

Review coverage, exclusions, and the claim process ↗

Hear from other buyers.

What customers say about ordering from Essential Electric.

Reviews for this product

You may also like

Save $430.20
default product icon CHCC3DIU - Eaton Bussmann Series CHCC Modular Fuse Holder 48 Vdc 30A 3 Pole With Indicator - Essential Electric Supply
CHCC3DIU - Eaton Bussmann Series CHCC Modular Fuse Holder 48 Vdc 30A 3 Pole With Indicator
From $0.00 $430.20
In stock
Choose options
Save $1,019.90
default product icon USM3 - Ferraz Shawmut Ultrasafe 3 Pole DIN Rail Fuse Holder, 30A 600V AC/1000V DC, Midget Fuse, Non-Indicator, Finger Safe, IP20, 200kA Interrupt - Essential Electric Supply
USM3 - Ferraz Shawmut Ultrasafe 3 Pole DIN Rail Fuse Holder, 30A 600V AC/1000V DC, Midget Fuse, Non-Indicator, Finger Safe, IP20, 200kA Interrupt
From $25.57 $1,045.47
In stock
Choose options
Save $1,005.65
default product icon
CHCC2DU - Eaton Bussmann Series CHCC 30 Amp 48V DC 2-Pole Modular DIN Rail Fuse Holder, Class CC, Finger-Safe, IP20
$38.95 $1,044.60
In stock
Save $1,700.78
default product icon P243G - Ferraz Shawmut 600A 1000VAC 1-Pole Semiconductor Fuse Block - Essential Electric Supply
P243G - Ferraz Shawmut 600A 1000VAC 1-Pole Semiconductor Fuse Block
From $0.00 $1,700.78
In stock
Choose options
Save $1,213.72
default product icon JM60030-3CR Bussmannn Fuse Block 600V 30A - Essential Electric Supply
JM60030-3CR - Eaton Bussmann Series JM Modular Fuse Block 30A 600V 3-Pole Class J 200kAIC Box Lug
From $0.00 $1,213.72
In stock
Choose options
Save $188.10
default product icon J60100-3CR Cooper Bussmannn Fuse Block 100A - Essential Electric Supply
J60100-3CR - Eaton Class J 100A 600V 3-Pole Modular Fuse Block CR Series
From $0.00 $188.10
In stock
Choose options
Save $526.20
default product icon CH30J3I Bussmannn CH Series Fuse Block 30A - Essential Electric Supply
CH30J3I - Eaton 30A 600V Three-Pole Class J Modular Fuse Holder with Neon Lamp
From $117.20 $643.40
In stock
Choose options
Save $1,130.28
default product icon USCC2 - Eaton Mersen 30A 600V 2-Pole Class CC Fuse Holder DIN Rail Mount
USCC2 - Eaton Mersen 30A 600V 2-Pole Class CC Fuse Holder DIN Rail Mount
$19.98 $1,150.26
In stock
Save $3.28
default product icon 9080LBA261104 - Schneider Electric 2-Pole Power Distribution Block 115A Cu 90A Al 600V Linergy
9080LBA261104 - Schneider Electric 2-Pole Power Distribution Block 115A Cu 90A Al 600V Linergy
$33.68 $36.96
In stock
Save $49.34
default product icon
20327R - Mersen Class R Fuse Holder 30 Amp 250 Volt 2 Pole Pressure Plate
$22.98 $72.32
In stock