A-T Controls

APL Series CSA Approved Limit Switches

The Triac® APL Series Limit Switches feature high quality, easy to use, multiple option switch boxes for rotary actuators. Their die-cast aluminum housings are powder coated for corrosion resistance and feature open/close visual indicators, quick-set cams and easy access terminal strips. These economical switch boxes offer numerous switch, sensor and transmitter options to handle most applications found in today’s process and industrial markets.

Features:

Die-cast aluminum powder coated enclosure | Captive cover bolts | NAMUR mount brackets | Quick-set spring loaded cam | Dome visual indicator (3-way available) | Up to four switches on APL 3, 4 and 5 and various mechanical, proximity and reed type sensors, feedback potentiometers and 4-20mA transmitter options.

APL 2 Series “Compact” Switch

• CSA Approved, Type 4X
• Solid, compact, low-profile design
• Dual 1/2 NPT conduit entries, 8 pts. on terminal strip
• Ambient temperature range -20°C to 80°C
• (2) SPDT mechanical micro switches
• APL-218 (2) SPDT gold plated micro switches make it useful as a simple device for intrinsically safe applications.

APL 3 Series Limit Switch

• CSA Approved, Type 4X
• Rugged and flexible design
• Dual 1/2” NPT conduit entries, 8 pts. on terminal strip
• Ambient temperature range -20°C to 80°C

APL 4 Series Limit Switch

• CSA Approved, Class I, Division 1, Groups C & D T6 Class I, Zone 1, AEx d IIB, T6, Ex d IIB, T6, Type 4X/6, IP 66/67/68
• ATEX/IECEx rating available: Ex d IIB T6 Gb (APL-410N-ATEX)
• Dual 3/4” NPT conduit entries, 8 pts. on terminal strip
• Ambient temperature range -20°C to 60°C

APL 5 Series Limit Switch

• CSA Approved: Class I, Div 1, Grps B, C & D T6; Class II, Div 1, Grps E, F, G; Class III - Class I, Zone 1, AEx d IIC, T6; Class II, Zone 21, AEx tb IIIC T65°C Db;
• Ex d IIC, T6; Ex tb T65°C Db; Type 4X/6, IP66/67
• ATEX/IECEx rating available: Ex d IIC T6 Gb, Ex tb IIIC T85°C Db, IP67 (APL-510N-ATEX)
• Available with Stainless Steel enclosure
• Dual 3/4” NPT conduit entries, 8 pts. on terminal strip