APL520N Limit Switch Box/ APL520N Valve Position Indicator/ APL520N Valve Position Monitor With Good Price In Stock
APL-520N Limit Switch Box
Introduction:
APL-520 Limit Switch Box , also can be called Valve Position Indicator or valve position monitor, is a kind of field instrument for detecting valve status in automatic control system.
Features:
Enclosure : Weatherproof IP67/NEMA4,4X,7,9 (Standard ) IP68(Option) Explosionproof : E EX d IIC T6, E EX ia IIC T6, E EX d IIB T6
Solid and compact design
Shaft holder built in the cover(Dual shaft) Easy to set the visual position
Unique design to put the visual indicator on the threaded joint type cover.
Bolts on visual position indicator
Dual Cable entries : 2 x 3/4 PF(Standard ) M20, M25, NPT3/4”, PT3/4”(Option)
Terminal Strips : 8 points(0.08-2.5m)
Captive cover bolts & Spring loaded cover bolts No worry to loose bolts while cover open & Unique design to hold bolts inside cover
Easy mounting bracket
NAMUR standard stainless steel shaft and stainless steel or steel bracket.
Ordering Code：
Standard Specification:
| Model Specification | APL- 2N Series | APL- 3N Series | APL- 4N Series | APL- 5N Series |
| Enclosure | Weatherproof IP67/NEMA4&4X | Weatherproof IP67/NEMA4&4X | Weatherproof IP67/NEMA4&4X Explosionproof E EX d IIB T6 | Weatherproof IP67/NEMA4&4X Explosionproof E EX d IIC T6 |
| Cable entries | Two NPT1/2” | Two NPT1/2” | Two NPT3/4” | Two NPT3/4” |
| Ambient temperature | -20℃~ 80℃ | -20℃~ 80℃ | -20℃~ 80℃ | -20℃~ 80℃ |
| Terminal strips | 8 points (0.08-2.5m) | 8 points (0.08-2.5m) | 8 points (0.08-2.5m) | 8 points (0.08-2.5m) |
| Position indicator | 0 ~ 90。(90。turn free join) close:red open:yellow | 0 ~ 90。(90。turn free join) close:red open:yellow | 0 ~ 90。(90。turn free join) close:red open:yellow | 0 ~ 90。(90。turn free join) close:red open:yellow |
| Switches | Mechanical switch x2 proximity sensor x2 | Mechanical switch x2 proximity sensor x2 | Mechanical switch x2 proximity sensor x2 | Mechanical switch x2 proximity sensor x2 |
| Painting | Chromate Polyester podwer coating(black) | Chromate Polyester podwer coating(black) | Chromate Polyester podwer coating(black) | Chromate Polyester podwer coating(black) |
Option Specification:
| Specification Model | APL- 2N Series | APL- 3N Series | APL- 4N Series | APL- 5N Series |
| Enclosure | Weatherproof IP68 | Weatherproof IP68 | Weatherproof IP68 | Weatherproof IP68 Explosionproof E EX d IIB T6 E EX ia IIC T6 |
| Cable entries | Two PF1/2”, PT1/2” M20, PG13.5 | Two PF1/2”, PT1/2” M20, PG13.5 | FOUR PF3/4”, PT3/4” M20, M25 | Two NPT3/4”PT3/4” |
| Option temperature | – | -40℃ ~ 80℃ -20℃ ~ 150℃ | – | – |
| Terminal strips | – | 16 points (0.08-2.5m) | 20 points (0.08-2.5mm) | – |
| Position indicator | three position close:red open:Green | three position close:red open:Green | three position close:red open:Green | three position close:red open:Green |
| Switches | – | Mechanical switch x4 proximity sensor x4 | Mechanical switch x4 proximity sensor x4 | Mechanical switch x4 proximity sensor x4 |
| Potentiometer | – | 1k ohm standard. 5k ohm. 0-10k ohm | 1k ohm standard. 5k ohm. 0-10k ohm | 1k ohm standard. 5k ohm. 0-10k ohm |
| Current output signal unit | – | 4~20mA DC 12.5 to 37VDC (24V typical) | 4~20mA DC 12.5 to 37VDC (24V typical) | 4~20mA DC 12.5 to 37VDC (24V typical) |
| Painting | Nylon others on request red, green, blue, yellow, silver | Nylon others on request red, green, blue, yellow, silver | Nylon others on request red, green, blue, yellow, silver | Nylon others on request red, green, blue, yellow, silver |
Wiring Diagram:
Dimensions:
Installation requirements: The power must be turned off before opening the cover. After the product is installed, the technician needs to adjust it, let the valve go back and forth several times to determine that the limit switch signal is reliable.
if you are intersted in more Allen-Bradley product, Please feel free to contct below contact me :windy@hkxytech.com
Windy Wang
HONGKONG XIEYUAN TECH CO., LIMITED
Add: 7-A16,Caishen Commercial Plaza,Hankou Railway Station,Wuhan,China
Tel: +86-27-8588 3233 | Fax:+86-27-8530 9780 | Mobile/Whatsapp :+86 15972199006 | Skype: windy@hkxytech.com
Mail: windy@hkxytech.com
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