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Reverse Rotation Stop Relay APR-S

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.

PDF

Japanese Only

Reverse Protection Relay APR-S Specifications

Reverse Protection Relay APR-S: related image

Reverse Protection Relay APR-S external appearance

Reverse Protection Relay APR-S: related image

APR-S outline drawing

Reverse Protection Relay APR-S: related image

APR-S dimensional outline drawing, Units: mm

Reverse Protection Relay APR-S: related image

APR-S terminal layout drawing
(Drawing viewed from back of main body)

Reverse Protection Relay APR-S: related image

APR-S380, APR-S440 outline drawing

Reverse Protection Relay APR-S: related image

APR-S380, APR-S440 dimensional outline drawing, Units: mm

Reverse Protection Relay APR-S: related image

APR-S380, APR-S440 terminal layout drawing
(Drawing viewed from back of main body)

Reverse Protection Relay APR-S: related image

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).

Reverse Protection Relay APR-S: related image

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).

Reverse Protection Relay APR-S: related image

APR-S dimensions with sockets mounted, Units: mm
Model PF083A (sold separately)

Rated VoltageModel APR-S200/220 V
Model APR-S380380/400 V
Model APR-S440440 V
Allowable Voltage Fluctuation RangeModel APR-SThree-phase 170 to 240 V AC 50/60 Hz
Model APR-S380Three-phase 350 to 420 V AC 50/60 Hz
Model APR-S440Three-phase 410 to 460 V AC 50/60 Hz
Operating TimeWithin 100 ms (After voltage applied, until positive phase → reverse phase detected)
Control OutputModel APR-S1 c relay output
200 V AC 1.1 A cosφ = 1, 200 V AC 0.6 A cosφ = 0.4
Model APR-S3801 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)
LifespanMechanical1,000,000 operations min.
Electrical100,000 operations min.
WeightApprox. 100 g
  • *See the catalog for specifications other than those detailed above.
Part Number
APR-S
APR-S380
APR-S440
Part NumberMinimum order quantityVolume DiscountDays to ShipRoHSDimension height
(mm)
Dimension width
(mm)
Dimension depth
(mm)
Rated Voltage
(V)
1 Piece(s) Same day 10503863.9200/220
1 Piece(s) 16 Day(s) -484863.7380/400
1 Piece(s) 16 Day(s) -484863.7400

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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)

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