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Home > Electrical
Equipment > Low-voltage equipment
Thermal relays RTL,
RTT
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RTL and RTT relays are designed for the protection
of three-phase electric motors with short-circuited rotors against sustained overloads
and phase failures.
| Standard
construction | Rated
current, A | Nominal
voltage, V | Thermal
cell rated current range, A | |
AC | DC |
|
| RTL-1 |
25 | up to 660 |
up to 440 | 0.1 -25.0 |
| RTL-2 |
80 | up to 660 |
up to 440 | 23.0-86.0 |
| RTT-5-10 |
10 | up to 660 |
up to 440 | 0.2-10.0 |
| RTT-1 |
25 | up to 660 |
up to 440 | 0.20-25.0 |
| RTT-2 |
40 | up to 660 |
up to 440 | 10.0-63.0 |
| RTT-3 |
160 | up to 660 |
up to 440 | 80.0-160 |
For 50 and 60 Hz current.
| PML12-010 |
RTT-5-10 | | PML1000 |
RTL-1... | | PML 2100,
3100, 4100 | RTL-2... |
| PM12-025 | RTT-141
| | PME 20 |
RTT-111 or RTT-141 | |
PMA 3100 and PM12-040 | RTT-2 |
| PM12-063 | RTT-211
| | PM12-100, PMA
6000 | RTT-321 |
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