Daito P403(BSS)～P450 (BSS) Alarm Indicating Fuses & Fuseholders

Manufacturer: Daito Communication Apparatus Co., Ltd.
Model: P403(BSS)～P450 (BSS)

Features

This product is a replaceable fuse with an interruption (alarm) function.
By using P4 and PL4 fuse holders together, contact output during cutting is also possible.
This fuse has a blown indication function.
By using a P4, PL4 fuse holder, contact output is also possible when the fuse blows.

Specifications

Cat. No.	Rated Current	Clearing Test Current*1	Clearing Current*2	Rated Voltage	Nominal Value
Cat. No.	Rated Current	Clearing Test Current*1	Clearing Current*2	Rated Voltage	Joule Integral*3
P403 SS	0.2 A	0.3 A	0.7 A	AC 220 V DC 250 V	0.12 A²·s
P405 SS	0.3 A	0.5 A	1.0 A		0.3 A²·s
P413 SS	1.0 A	1.3 A	2.0 A		2.1 A²·s
P420 SS	1.5 A	2.0 A	3.0 A		5.3 A²·s
P430 SS	2.0 A	3.0 A	4.5 A		12 A²·s
P450 SS	3.5 A	5 A	7.5 A		49 A²·s
P475 SS	5.0 A	7.5 A	11.0 A	AC/DC 100 V	130 A²·s

*1: No thermal cutting or fusing occurs until the temperature rise becomes constant when the indicated current is applied.
*2: Thermal cutting or fusing occurs within one minute when the indicated current is applied.
*3: Joule integral is the value at 10 ms of the I²t characteristics.

Note: If using this alarm fuse in an AC 100 to 200 V circuit, make sure that the product using the fuse is not subject to the PSE Law.

Alarm contact capacity:
P4, PL4: 200 V max., AC 220 V / DC 250 V max., 5 A

Note: When this alarm fuse melts, high-temperature metallic gas is discharged from the exhaust opening on the side of the fuse. Be extremely careful not to place anything flammable near this opening.