APL-210N Limit Switch Box

APL210N Limit Switch Box/ APL210N Valve Position Indicator, APL210N Valve Position Monitor

APL-210N Limit Switch Box

Introduction:

APL-210 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 (Standard ) IP68(Option)
Solid and compact design
Bolts on visual position indicator

(Re-adjustment available upon required direction)

Dual cable entries : 2 x 1/2 NPT(Standard) M20, 5, PF1/2”, PT1/2”.(Option)
Terminal Strips : 8 points(0.08-2.5m)
Captive cover bolts
Easy mounting bracket

NAMUR standard stainless steel shaft and bracket.

Ordering Codel：

Standard Specification:

الطراز 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:

الطراز Specification	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.