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Littelfuse

Littelfuse 0230004ERT2SP 4A Indicating 2AG Axial Fuse

Part Number: 0230004ERT2SP

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A 4 A axial-leaded 2AG time-delay fuse from Littelfuse 230 Series, 0230004ERT2SP is identified by its reel and tape ERT2S configuration order configuration.

Rated Current4 A
Rated Voltage125 V AC / 125 V DC
Breaking Capacity400 A @ 125 VAC/VDC
Package2AG (4.5×15mm)

Designed around the 230 Series 2AG platform, 0230004ERT2SP is a 4 A axial glass time-delay fuse. Its electrical table gives 148 A²s nominal melting I²t, with interrupting ratings of 400 A @ 125 VAC/VDC. For procurement, this SKU is differentiated by reel-and-tape packaging, 2,500 pieces, T2=63 mm with S option, while the core electrical rating follows the 230 Series data.

Technical Specifications

Part Number
0230004ERT2SP
Manufacturer Part Number
0230004ERT2SP
Series
230 Series
Fuse Type
2AG Glass Axial Lead Fuse
Current Rating
4 A
Voltage Rating
125 V AC / 125 V DC
AC / DC
AC/DC
Breaking Capacity
400 A @ 125 VAC/VDC
I²t
148 A²s nominal melting I²t
Pre-arcing I²t
148
Operating Temperature
−55°C to +125°C
Package / Dimensions
2AG (4.5×15mm)
Mounting
PCB Through-Hole
Application
Telecom DC distribution
Standard
UL/CSA/NMX 248-1 and 248-14
Terminal Type
Tin-plated copper axial leads
Fuse Speed
Time Delay
Approvals
CE · CSA · RoHS · UL Recognized
Certifications
UL; CSA; PSE; CE; RoHS; Lead-Free
Series construction
230 Series axial-leaded 2AG Slo-Blo fuse
Ordering configuration
reel-and-tape packaging, 2,500 pieces, T2=63 mm with S option
Body/caps/leads
Glass / nickel-plated brass / tin-plated copper
Lead-free suffix
P where shown in full order code
Indicating option
S-code variant; glass body discolors after fuse operation

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