Type 483

Type 483

Description

Single pole, miniaturised, aircraft style thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Threadneck panel mounted, available in metric and US (MS 3320) configurations. Advanced two-chamber design contributes to fail-safe operation. Temperature compensated from -55° to +125 °C, with optional auxiliary contacts, and fully approved for use on a wide range of aircraft and equipment. Full specification ensures suitability for the most demanding applications.

For three pole version see type 583.

Technical Data

Voltage rating
  • AC 115 V (400 Hz)
  • DC 28 V
    higher voltage ratings upon request
Current ratings from 1 A up to 35 A
Number of poles single pole
Mounting method threadneck
Terminal design screw terminals
Actuation manual release
push button
Auxiliary contacts with auxiliary contacts
without auxiliary contacts
Water splash protection with water splash protection
without water splash protection
Illumination without illumination
Typical life 20,000 operations mechanical or

10,000 operations at 1 x IN (<= 25 A)

5,000 operations at 1 x IN (30 + 35 A)
Interrupting capacity Icn AC 115 V (400 Hz):

<= 4 A: 1,000 A

5 A: 2,000 A

7,5…35 A: 2 500 A

DC 28V:

1…25 A: 6,000 A

30 + 35 A: 4,000 A
Certificates LN 29886, UL, VG 95345 part T06, MS 3320, QPL

Accessories

Order number Description
X20080103 splash cover black with O-ring
X20080108 splash cover transparent with O-ring
X20080201 splash cover black with O-ring,

nickel plated nut
X20080202 splash cover black with O-ring,

matt black finish nut
X20080301 actuator extension
Y30700401-05 identification collar
Y30700501 lock out ring

Applications

  • Aerospace
  • Automobiles
  • Commercial Vehicles
  • Minus DC 28 V
  • Minus DC 48 V
  • Minus DC 72 V
  • Telecom & Datacom
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