GTT-60/480-0
Gefran Relays, GTT Series
GTT-60/480-0 Gefran Relays, GTT Series, GTT-60/480-0 480V, 60A, Solid State
MFG Item Number
F000144
Item Number
GTT-60/480-0
Series
More specs
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Description
Relays, GTT Series
Item #
GTT-60/480-0
GTT-60/480-0 480V, 60A, Solid State
GTT Series Information
The GTT family of solid‑state relays has been designed with the aim of providing very accurate control of the load from an analogue input signal (0‑10V or 0‑20/4‑20mA) or a potentiometer (from 1 kOhm to 10 kOhm ). The electronic design ensures that the cycle time for proportioning the power is automatically optimized. The number of cycles that the GTT supplies to the load (fast cycling) for a given input signal is calculated to be the minimum possible to maintain the necessary accuracy. This guarantees a very fast and accurate control loop that enables the GTT, driven by a controller or a PLC with analogue output, to obtain very precise control.
The GTT can be uses in three phase systems, using master‑slave control architecture in which the control signal drives only one GTT (master) and this unit supplies the synchronized signals to the other units (slaves). Optional monitoring for an interrupted load can be provided (HB). This accepts a 500mAac input from a current transformer. The trip point is adjustable with trimpots and there is LED indication and a normally open voltage free relay contact output. The GTT solid‑state relay has a green LED to indicate the presence of the 24Vac power supply and a red LED to indicate the switching state as a function of the input signal. This LED will be continuously off for zero power and fully on at maximum and will flash at all intermediate values.
The units offer optional accessories for panel mounting, fuses and fuseholders, current transformer and voltage transformer
The GTT can be uses in three phase systems, using master‑slave control architecture in which the control signal drives only one GTT (master) and this unit supplies the synchronized signals to the other units (slaves). Optional monitoring for an interrupted load can be provided (HB). This accepts a 500mAac input from a current transformer. The trip point is adjustable with trimpots and there is LED indication and a normally open voltage free relay contact output. The GTT solid‑state relay has a green LED to indicate the presence of the 24Vac power supply and a red LED to indicate the switching state as a function of the input signal. This LED will be continuously off for zero power and fully on at maximum and will flash at all intermediate values.
The units offer optional accessories for panel mounting, fuses and fuseholders, current transformer and voltage transformer
Specifications
| Manufacturer Part Number | F000144 |
|---|---|
| Manufacturer | Gefran |
| Product Series | GTT |
| Family Series | Gefran Relays, GTT Series |
| Description | GTT-60/480-0 480V, 60A, Solid State Relay |
| Circuit | 1NO |
| Mounting | DIN Rail |
| Status Indicator | Yes |
| Auxiliary Switch | No |
| Number of Circuits | 1 |
| Input Signal | 0-10 VDC, 0-20 mA, 0-5 VDC, 4-20 mA |
| Input Polarity | DC |
| Output Voltage | 24-530 VAC |
| Nominal Output Voltage | 208 VAC, 277 VAC, 347 VAC, 380 VAC, 415 VAC, 48 VAC, 575 VAC, 120 VAC, 240 VAC, 24 VAC, 480 VAC |
| Current Rating | 60 A |
| Transient Overvoltage | 1,200 V |
| Termination | Screw Terminal |
| Output Type | SCR AC Switch |
| Switching Type | Zero Cross |
| Integral Heat Sink | Yes |
| MOV | Yes |
| Snubber | No |
| Net Weight | 2.22 lbs |
| Gross Weight | 2.355 lbs |
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GTT-60/480-0
Gefran Relays, GTT Series