Model NO.: B series
Electrical: 5A,125V/250VAC; 5A,12/24VDC; 0.2A, 60VDC
Manufacturer′s Other Rating: 5A@40VDC
Repeatability: ±2% of Full Set Point Range at 21ºC
Maximum Overpressure: 9000 Psi Static; 7500 Psi Dynamic
Switch Type: Snap Action
Mechanical Life: 1,000,000 Cycles
Diaphragm Material: Buna-N (EPDM, Kapton, Viton, Low Temp Nitrile)
Housing Material: Zinc-Nickel Plated, Electroless Nickel Steel etc.
Specification: Weight: 0.09 kg
Model NO.: B series
Electrical: 5A,125V/250VAC; 5A,12/24VDC; 0.2A, 60VDC
Manufacturer′s Other Rating: 5A@40VDC
Repeatability: ±2% of Full Set Point Range at 21ºC
Maximum Overpressure: 9000 Psi Static; 7500 Psi Dynamic
Switch Type: Snap Action
Mechanical Life: 1,000,000 Cycles
Diaphragm Material: Buna-N (EPDM, Kapton, Viton, Low Temp Nitrile)
Housing Material: Zinc-Nickel Plated, Electroless Nickel Steel etc.
Specification: Weight: 0.09 kg
              Adjustable High Pressure Switches B Series
Performance Parameters
 Model    Adjustment Range Avg. Differential  Model Adjustment Range Avg. Differential
  PSI         Bar PSI       Bar PSI         Bar PSI       Bar
1 5-85 0.35-6 1.0-10 0.07-0.7 3 500-2500 35-170 70-300 5-20
1A 65-300 4-20 8-30 0.55-2.1 4 1000-6000 69-414 150-600 10-41
2 125-600 8-40 20-80 1.3-5.5 5 500-3500 35-240 75-300 5-24
ELECTRICAL:
Standard:5A,125V/250VAC-U.L.Recognized
                  5A,12/24VDC- U.L. Recognized
Option -7: 0.2A, 60VDC- U.L. Recognized
Gold contacts may be required for less than
12 VDC and 20 milliamps

WETTED MATERIAL:
Diaphragm: Buna-N (Standard)
(optional EPDM, KAPTON® ,VITON®, Low Temp Nitrile)
Housing: Zinc-Nickel Plated Steel
(optional Steel - Electroless Nickel
and 316 Stainless Steel)





 		 MANUFACTURER'S OTHER  RATING:
5A@40VDC
PROTECTION:
Exposed Terminals -IP00
DIN HC-IP65
Flying Leads, M12, Deutsch Integral - IP69
REPEATABILITY:
± 2% of full set point range at 21°C
Ambient Temperature
SWITCH TYPE:
Snap Action
MECHANICAL LIFE:
1,000,000 cycles






 		 TEMPERATURE RANGE:
BUNA-N: -26ºC~110ºC
EPDM: -23ºC~121ºC
KAPTON®: -40ºC~110ºC
VITON®: -18ºC~150ºC
(® Registered Trademark of DuPont)
Low Temp Nitrile: -40ºC~110ºC

MAXIMUM OVERPRESSURE:
9000 PSI (620 Bar) - Static
7500 PSI (517 Bar) - Dynamic
WEIGHT:
Approx. 0.09 kg



 
Drawing
Adjustable Mechanical High Pressure Switch B Series
Ordering Information
BPA -*2 -*R -4M -C -H -*1
Model Set Point Direction Port Size Circuit Terminal Options
BPA-
Field
Adjustable

BPF-
Factory
Set





















 		 See Above
Adjustment
Ranges

*Model BPF Specify Set Point Required




















 		 R-PSI Rising
F-PSI Falling
BR-Bar Rising
BF-Bar Falling

*Omit For Model BPA
















 		 2M-1/8 NPT
4M-1/4 NPT
2G-1/8 BSPP
4G-1/4 BSPP (undercut for an o-ring seal)
4GS-1/4 BSPP (no undercut)
4S-7/16×20 SAE MALE
4SW-7/16×20 SAE Swivel
6S-9/16×18 SAE MALE
M10-M10×1*
M12-M12×1.5*

*Consult Factory for Specials









 		 A-SPST/NO
B-SPST/NC
C-SPDT























 		 SP-1/4"x1/32" Spade
TS-6-32 Terminal Screws
FL-18" Flying Leads
FLL-Advise additional length of leads if required
FLWTF-Weatherpack Tower Female
FLWTM-Weatherpack Tower Male
FLWSF-Weatherpack Shroud Female
FLWSM-Weatherpack Shroud Male
H-DIN43650A Male Half Only
HC-DIN43650A Cable Clamp
HN-DIN43650A1/2 Conduit (female)
HCC-XXX (Specify Length in Inches)
HC11A-DIN Light NO/NC110V 
HC11B-DIN Light NO/NC12VDC
HC11C-DIN Light NO/NC24VDC
HC11D-Indicating Light Green/Red
DI-Deutsch Integral
M12-M12×1
 		 *-Omit If Standard
1-VITON® Diaphragm
2-EPDM Diaphragm
3-KAPTON® Diaphragm
* For Model Ranges
1,1A & 2 Only
15 - Low Temp Nitrile Dia.
4-316 SS Housing
4A-Steel-Electroless Nickel Plated
5-Spiral Restrictor
6-Oxygen Cleaned
7-Gold Contacts
UL-UL Recognized**
**For Selected Models Only - Consult Factory










 
Company Information
Nanjing Wotian Technology Co., Ltd. was established in 2005, specializing in the production of pressure sensors. It is the leading domestic manufacturer of pressure sensors, with existing staff 260. The annual production of pressure sensors is more than 1.5 million. The products have been exported to more than 60 countries and regions. Wotian has established companies in Germany, United States and South Korea. The company has factories in Nanjing and Anshan, and is headquartered in the scenic Jiulong Lake International Headquarters Base in Nanjing. The foreign trade team is located in Shenyang, the center of Northeast Heavy Industry Base.

"Create value for customers" is always the goal pursued by the company. As a well-known brand in domestic pressure sensor industry, Wotian has always been taking rejuvenating China's pressure sensor business as its mission, working diligently and step by step, striving to produce superlative pressure sensors and provide customers with the ultimate cost-effective pressure sensors.
 
Adjustable Mechanical High Pressure Switch B Series
Adjustable Mechanical High Pressure Switch B Series
 
              Adjustable High Pressure Switches B Series
Performance Parameters
 Model    Adjustment Range Avg. Differential  Model Adjustment Range Avg. Differential
  PSI         Bar PSI       Bar PSI         Bar PSI       Bar
1 5-85 0.35-6 1.0-10 0.07-0.7 3 500-2500 35-170 70-300 5-20
1A 65-300 4-20 8-30 0.55-2.1 4 1000-6000 69-414 150-600 10-41
2 125-600 8-40 20-80 1.3-5.5 5 500-3500 35-240 75-300 5-24
ELECTRICAL:
Standard:5A,125V/250VAC-U.L.Recognized
                  5A,12/24VDC- U.L. Recognized
Option -7: 0.2A, 60VDC- U.L. Recognized
Gold contacts may be required for less than
12 VDC and 20 milliamps

WETTED MATERIAL:
Diaphragm: Buna-N (Standard)
(optional EPDM, KAPTON® ,VITON®, Low Temp Nitrile)
Housing: Zinc-Nickel Plated Steel
(optional Steel - Electroless Nickel
and 316 Stainless Steel)





 		 MANUFACTURER'S OTHER  RATING:
5A@40VDC
PROTECTION:
Exposed Terminals -IP00
DIN HC-IP65
Flying Leads, M12, Deutsch Integral - IP69
REPEATABILITY:
± 2% of full set point range at 21°C
Ambient Temperature
SWITCH TYPE:
Snap Action
MECHANICAL LIFE:
1,000,000 cycles






 		 TEMPERATURE RANGE:
BUNA-N: -26ºC~110ºC
EPDM: -23ºC~121ºC
KAPTON®: -40ºC~110ºC
VITON®: -18ºC~150ºC
(® Registered Trademark of DuPont)
Low Temp Nitrile: -40ºC~110ºC

MAXIMUM OVERPRESSURE:
9000 PSI (620 Bar) - Static
7500 PSI (517 Bar) - Dynamic
WEIGHT:
Approx. 0.09 kg



 
Drawing
Adjustable Mechanical High Pressure Switch B Series
Ordering Information
BPA -*2 -*R -4M -C -H -*1
Model Set Point Direction Port Size Over Electric Blanket

Electric Throw Blanket,Electric Over Blanket,Heated Mattress Pad

Over Electric Blanket Co., Ltd. , http://www.nsheatingproducts.com