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Reverse Rotation Stop Relay APR-S
Reverse rotation prevention relay APR-S
[Features]
· Voltage detection method three-phase motor reverse rotation prevention relay.
· Relay that prevents reverse rotation resulting from erroneous wiring.
· When powered on, it distinguishes between positive-phase, reverse, and reverse-phase.
· Magnet contact is prevented.
· With the wire connection method, open phase input is also prevented.
· Small plug-in type, with no adjustment needed.
· Because of the voltage detection method, it can be used irrespective of the load current.
Japanese Only
Part Number
Configured Part Number is shown.
Reverse Protection Relay APR-S Specifications
Reverse Protection Relay APR-S external appearance
APR-S outline drawing
APR-S dimensional outline drawing, Units: mm
APR-S terminal layout drawing
(Drawing viewed from back of main body)
APR-S380, APR-S440 outline drawing
APR-S380, APR-S440 dimensional outline drawing, Units: mm
APR-S380, APR-S440 terminal layout drawing
(Drawing viewed from back of main body)
APR-S external connection example
Operation description
When power lines R → S → T are energized to apply current in sequence to terminals (6) → (4) → (3) there is a positive phase sequence.
Positive phase sequence: built-in relay operation ((5)-(1) carrying current, (5)-(8) not carrying current).
Negative phase sequence: no built-in relay operation ((5)-(1) not carrying current, (5)-(8) carrying current).
APR-S380/S440 external connection example
- *For applied voltages and control voltages to contacts use a separate power supply.
Operation description
When power lines R → S → T are energized to apply current in sequence to terminals (10) → (1) → (3) there is a positive phase sequence.
Positive phase sequence: built-in relay operation ((6)-(7) carrying current, (6)-(8) not carrying current).
Negative phase sequence: no built-in relay operation ((6)-(7) not carrying current, (6)-(8) carrying current).
APR-S dimensions with sockets mounted, Units: mm
Model PF083A (sold separately)
| Rated Voltage | Model APR-S | 200/220 V |
|---|---|---|
| Model APR-S380 | 380/400 V | |
| Model APR-S440 | 440 V | |
| Allowable Voltage Fluctuation Range | Model APR-S | Three-phase 170 to 240 V AC 50/60 Hz |
| Model APR-S380 | Three-phase 350 to 420 V AC 50/60 Hz | |
| Model APR-S440 | Three-phase 410 to 460 V AC 50/60 Hz | |
| Operating Time | Within 100 ms (After voltage applied, until positive phase → reverse phase detected) | |
| Control Output | Model APR-S | 1 c relay output 200 V AC 1.1 A cosφ = 1, 200 V AC 0.6 A cosφ = 0.4 |
| Model APR-S380 | 1 c relay output 250 V AC 1.1 A cosφ = 1, 250 V AC 0.6 A cosφ = 0.4 | |
| Model APR-S440 | ||
| Ambient Operating Temperature | -10 to +50°C (assuming no icing) | |
| Lifespan | Mechanical | 1,000,000 operations min. |
| Electrical | 100,000 operations min. | |
| Weight | Approx. 100 g | |
- *See the catalog for specifications other than those detailed above.
| Part Number |
|---|
| APR-S |
| APR-S380 |
| APR-S440 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Dimension height (mm) | Dimension width (mm) | Dimension depth (mm) | Rated Voltage (V) |
|---|---|---|---|---|---|---|---|---|
SGD 54.81 | 1 Piece(s) | 4 Day(s) or more | 50 | 38 | 63.9 | 200/220 | ||
SGD 61.35 | 1 Piece(s) | 4 Day(s) or more | 48 | 48 | 63.7 | 380/400 | ||
SGD 61.35 | 1 Piece(s) | 4 Day(s) or more | 48 | 48 | 63.7 | 400 |
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Basic Information
| Application | Reverse Rotation Prevention Relay | Contact Configuration | 1c | Latch function | NA |
|---|---|---|---|---|---|
| Terminal shape | Socket / plug-in | Note | A built-in type used for machinery in which miswiring becomes tangled and leads to reversals and then accidents. | Control Time(Second) | Within 100 ms (After Voltage Applied - Until Positive Phase→Reverse Phase Detected) |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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