SEYMOUR

From USA

  • Limit Switch Box

    Series APL5N
    APL-510N APL-510S Limit Switch Box
    Explosion proof
    • Aluminum die casting that is lightweight and robust.
    • High corrosion resistance due to double chromate treatment and polyester powder coating.
    • With spring loaded cams, limit positions can be easily set without tools.
    • High visibility dome indicator with a double sealed structure prevents water ingress in case of a dome failure.
    • Stainless steel 316 option
    • Flag type indicator option
Simmel Controls
Discover Simmel controls accessories for flow management, including solenoid switch boxes, filter regulators and positioners to boost system reliability.

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  • Limit Switch Box

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Limit Switch Box

Limit Switch Box

Limit Switch Box

Explosion proof

• Aluminum die casting that is lightweight and robust.

• High corrosion resistance due to double chromate treatment and polyester powder coating.

• With spring loaded cams, limit positions can be easily set without tools.

• High visibility dome indicator with a double sealed structure prevents water ingress in case of a dome failure.

• Stainless steel 316 option

• Flag type indicator option


Controls Series
Specifications

Switch Box Specifications

Certifications

CE, cULus (most models), SIL 3 capable Optional: ATEX, IECEx

IECEx (Ex db IIC T6 Gb, Ex ia IIC T6 Gb, Ex tb IIIC T85°C Gb)

ATEX (II 2G Ex db IIC T6 Gb, II 2G Ex ia IIC T6 Gb, II 2G Ex tb IIIC T85°C Gb)

CSA (Class I, Division 1, Groups B, C & D T6; Class II, Division 1, Groups E, F and G; Class III)

EAC (1 Ex d IIC T6 Gb)

NEPSI (Ex d IIC T6 Gb, Ex tD A21 IP66/67)

KCs (Ex d IIC T6 IP67, Ex tD A21 IP67 T85°C)

CCC (Ex d IIC T6 Gb, Ex ia IIC T6 Gb, Ex tD A21 IP67 T85°C)

Temperature Range

-13°F to 176°F (-25°C to 80°C)

-40°F to 176°F (-40°C to 80°C)

-13°F to 248°F (-25°C to 120°C)

Enclosure Ratings

IP66 IP67 IP68

NEMA 4/4X, UL50E Salt Spray

Body Materials

Aluminium alloy

316 Stainless Steel

Visual Display

High Visibility Indicator

Beacon Color Options: Red/Yellow (Standard), Red/Green, Black/Yellow, Red/Green Inverse

Stem Materials

316 Stainless Steel

Switch Options

Mechanical: SPDT, SPDT (Low Power)

Proximity: PNP, NPN, 140V 2-Wire, 250V 2-Wire, Reed, NAMUR Intrinsically Safe

Bracket Materials

304 Stainless Steel

316 Stainless Steel

Mounting

VDI/VDE 3845 Compliant (NAMUR)

Switch Quantities

2 4 6  Mechanical switches or Proximity sensors

Conduit Ports

2x ½”NPT or 2x M20,  2x ¾”NPT 

Travel angle

0-90° 45°，135°，140°，180°

Terminal points

Standard: 8 points Option: 10, 12 points

Weight

 4.0 kg

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