0298125.ZXH - Littelfuse, Inc.

MEGA® FUSE RATED 32V

Description

The MEGA® Fuse is designed for high current circuit protection up

to 500A with “Diffusion Pill Technology.” The MEGA® Fuse also

provides time delay characteristics. Designed and patented by

Littelfuse, the MEGA® Fuse is ideal for battery and alternator

protection application and other heavy gauge cables requiring

ultra-high current protection.

Specifications

Interrupting Rating: 2000A @ 32 VDC

Voltage Rating: 32 VDC

Operating Temperature Range: -40˚C to + 125˚C

Housing: PPA (33%/35% GF)

Terminals: Copper (Silver plated copper available)

M6 or M8 bolts available

Mounting Torque: 8-14 Nm M6

12-18 Nm M8

Complies with: ISO 8820-5

Ordering Information

Part Number Package Size Plating Bolt Size Rating

0298xxx.ZXH 500 none M8 300 - 500

0298xxx.ZXEH 500 none M8 80 - 250

0298xxx.ZXB 500 Ag M8 40 - 250

0298xxx.ZXA 500 none M6 80 - 500

Note 1: Not mentioned in ISO standards Note 2: Short Circuit Protector only

** Voltage Drop measurements for short circuit protectors taken at 75% of rated current.

Time-Current Characteristics

% of Rating

Opening Time Min / Max (s)

40-250 300-500

75 – / – 14,400 s / –

100 14,400 s / – – / –

135 120 s / 1800 s – / –

200 1 s / 15 s 1 s / 15 s

350 0.300 s / 5 s 0.500 s / 5 s

600 0.100 s / 1 s – / –

Ratings

Part Number Current Rating Font Color Typ. Voltage Drop Cold Resistance I2t

0298040._140 A –132 mV 2.510 mΩ –

0298060._160 A –119 mV 1.504 mΩ –

0298080._ 80 A 87 mV 0.720 mΩ –

0298100._ 100 A 87 mV 0.562 mΩ 31100 A²s

0298125._ 125 A 80 mV 0.423 mΩ 57800 A²s

0298150._ 150 A 92 mV 0.352 mΩ 100000 A²s

0298175._ 175 A 86 mV 0.294 mΩ 168000 A²s

0298200._ 200 A 83 mV 0.257 mΩ 204000 A²s

0298225._ 225 A 82 mV 0.222 mΩ 257000 A²s

0298250._ 250 A 82 mV 0.201 mΩ 389000 A²s

0298300._2300 A 74 mV** 0.167 mΩ –

0298350._2350 A 68 mV** 0.138 mΩ –

0298400._2400 A 64 mV** 0.126 mΩ –

0298450._2450 A 60 mV** 0.112 mΩ –

0298500._2500 A 58 mV** 0.092 mΩ –

Bolt-down Fuses