High Performance Thermal Circuit Breaker 482-...
www.e-t-a.com
06/07
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Description
Typical applications
Ordering information Technical data
Single pole compact high performance 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 in tracked vehicle and aircraft/general purpose
versions, with optional auxiliary contacts.
Extra low voltage wiring systems on all types of vehicles for land, sea
and air, battery powered machines, process control.
482
without aux. contacts with aux. contacts
Type No.
482 single pole thermal circuit breaker
Mounting
G threadneck panel mounting
Threadneck design
1 M 12x1 nickel plated
2 M 12x1 black
3 15/32-UN-2A black
6 M12x1x8 black, without locating pin,
push button marking as with 482-G2..
7 M12x1x6,4 black, without locating pin,
push button marking as with 482-G1..
Hardware - washer for threadneck
0 without hardware
1 corrugated washer 12/15, fitted
2 serrated lock washer 12/15, fitted (MS 35333-136)
3 serrated lock washer 12/15, bulk shipped (MS 35333-136)
Hardware - hex nut for threadneck
0 without hardware
1 hex nut M12x1 nickel plated
2 hex nut M12x1 black
3 hex nut 15/32-UN-2B black, fitted
4 hex nut 15/32-UN-2B black, bulk shipped
Terminal design (main terminals)
K1 screw terminals with metric thread M4
J1 screw terminals with inch thread 8-32-UNC-2B
R1 round connector ø6
Characteristic curve
M1 thermal 1.15-1.4 I
N
Terminal screws
A flat head screw M4x6, ISO 1580, fitted
B Phillips screw 8-32UNC-2Ax6
(MS 51957-41), fitted
F Phillips screw M4x6 (ISO 7045), bulk shipped
H socket head cap screw
M4x6 (DIN 7984), fitted
K hex screw 8-32UNC-3Ax7.6 fitted
Terminal washers
0 without lock washer
1 lock washer DIN 137-B4, fitted
2 lock washer 4.3, fitted, MS 35336-37
3 lock washer 4.3, bulk shipped
(MS 35 338-137)
5 lock washer 4.3/9, fitted
6 lock washer DIN 137-B4, bulk shipped
Auxiliary contact
S0 without auxiliary contacts
S1 with auxiliary contact (NC)
S5 with polarized aux. contact (NC)
Barrier
(blank) without barrier
T with barrier, 31 mm wide
Current ratings
0.1...50 A
482 - G 1 1 1 - K1 M1 - A 1 S1 . - 10 A ordering example
Voltage rating AC 115 V (400 Hz); DC 28 V
AC 230 (50/60 Hz) to special order
Current rating range 0.1...50 A
Auxiliary circuit 0.5 A, DC 28 V
Typical life 10,000 operations mechanical
5,000 operations at I
N
Ambient temperature -55...+75 °C (-67...+167 °F)
Insulation co-ordination rated impulse pollution
(IEC 60664 and 60664A) withstand voltage degree
1.5 kV 3
Dielectric strength
(IEC 60664 and 60664A) test voltage
operating area AC 1,500 V
main to aux. circuit AC 1,500 V
Insulation resistance > 100 MΩ (DC 500 V)
Interrupting capacity I
cn
0.1...2.5 A 15 x I
N
3...3.5 A 250 A DC / 150 A AC
4...7 A 500 A
7.5...50 A 6,000 A DC / 1,000 A AC
35...50 A with auxiliary contact:
3,000 A DC / 1,000 A AC
Interrupting capacity I
N
U
N
(UL 1077) 0.1...50 A DC 72 V 5000 A
Degree of protection operating area IP40
(IEC 60529/DIN 40050 terminal area IP00
Vibration 10 g (55-2000 Hz) ±0.76 mm (10-55 Hz)
to VG 95210, sheet 19/IEC 60068-2-6, test Fc
Shock 50 g (11 ms)
to VG 95210, sheet 28/IEC 60068-2-27, test Ea
Corrosion 48 hours at 5 % salt mist
to VG 95210, sheet 2/IEC 60068-2-11, test Ka
Humidity 240 hours at 95 % RH
to VG 95210, sheet 7/IEC 60068-2-3, test C
Explosion to VG 95210, sheet 10/MIL-STD-202,
meth. 109
Mass approx. 43 g without auxiliary contact
approx. 46 g with auxiliary contact
Approvals
Authority Voltage ratings Current ratings
VG 95345 T21 DC 28 V 0.1...50 A
QPL, Canada DC 28 V 0.5...35 A
UL DC 72 V 0.1...50 A
Previous ordering codes:
482-N-MS = 482-G111-K1M1-A1S0-...A
482-MS = 482-G212-K1M1-A1S0-...A
