B59553A0110A020 Datasheet, PDF (1/3 Pages) EPCOS – Time delay in turning off the auxiliary winding of single-phase AC motors

Motor Starting
Metallized Disks for Low Power Consumption
B5955*
A 553, A 557
Applications
I Time delay in turning off the auxiliary winding of single-phase AC motors
Features
I Metallization: CrNi (sputtered) + Ag (screen-printed)
I Excellent long-term reliability
I Suitable for clamp contacting
I UL approval for A 553 to UL 1434 (file number E69802)
Delivery mode
I Bulk
Dimensional drawing
Cr/Ni
Ag
Dimensions (mm)
Type
A 553
A 557
b
16,0 ± 0,5
16,0 ± 0,5
s
2,5 ± 0,2
2,5 ± 0,2
r 0,9±0,6
b
s
TPT0657-3
General technical data
Switching cycles
N
Operating temperature range (V = 0)
T_op
(V = V_max)
T_op
Electrical specifications and ordering codes
Type V_max I_max T_Ref T_surf t_S1) V_BD
V
A °C
V_N = 120 V_rms
A 553 180 12 110
V_N = 230 V_rms
A 557 320 8 110
°C s
V
180 0,35 400
180 0,30 650
> 100000
+ 5/+ 80
°C
+ 5/+ 80
°C
R_N ± ∆R_N
I_r2)
(V_PTC ≤ 2,5 V)
Ω
mA
Ordering code
5,5 ± 30 % 12 B59553A0110A020
15 ± 20 %
8 B59557A0110A020
1) Measured at V = V_max and I = 0,8 · I_max
2) Measured with PTC thermistor mounted in standard EPCOS motor start housing
160 10/02