Mersen 20 A FF Ceramic Tube Cartridge Fuse, 14 x 51 mm

Bulk discount available

Subtotal (1 unit)*

£14.52

(exc. VAT)

£17.42

(inc. VAT)

Add to Basket
Select or type quantity
Orders below £50.00 (exc. VAT) cost £6.95.
Temporarily out of stock
  • Shipping from 17 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 - 4£14.52
5 - 9£13.79
10 +£12.92

*price indicative

RS Stock No.:
136-0608
Mfr. Part No.:
L1017185 / FR14GR69V20T
Brand:
Mersen
Find similar products by selecting one or more attributes.
Select all

Brand

Mersen

Current Rating

20 A

Product Type

Cartridge Fuse

Fuse Size

14 x 51 mm

Fuse Speed

FF

Voltage

500 V dc, 690 V ac, 700 V ac

Body Material

Ceramic Tube

Overall Length

51mm

Application Category

gR

Fuse Characteristics

gR

Series

Protistor

Diameter

14 mm

Standards/Approvals

IEC 60269-4,UL 248-13

COO (Country of Origin):
TN

Mersen Protistor® 14x51 Type gR Fuses


From Mersen, a range of cylindrical Ultra-rapid fuses available in various current ratings with or without built-in strikers. These 14 x 51 Protistor® fuses are designed to protect power semi-conductors which comply with IEC 60269-1 and -4.

Features and Benefits


• gR class

• With or without striker

• Improved safety and protection

• Distribution circuit fuses

• IEC standard 60269-4 compliant

• Clearing all overloads

Standards

• IEC 60269-4
• UL 248-13
• CCCD GB 1539.4

Related links