Stainless,Steel,Pressure,Temperature,Switches
5320 BRADCO BLVD
MISSISSAUGA ON L4W 1G7
Tel: 905 625 5082
Fax: 905 625 5709

Stainless Steel Pressure & Temperature Switches

Hazardous Locations
12 Series
Class I, II, Divisions 1 & 2
Class III, Class I, Zone 1
Pressure, Temperature

Compact, stainless steel construction

Hermetically sealed switch

Belleville technology

Strain relief with 72" leadwires

SPDT or DPDT sealed switches

Economical

Easy field adjustments

3 year warranty

Secondary process barrier comlies with NEC SOL-5 requirements

UL, cUL, and Cenelec approvals for hazardous locations

Range adjustability:

Temperature:
-130 to 650°F
-90 to 350°C
Pressure:
30 to 6000 PSI
0.2 to 414 bar

The Spectra 12 pressure and temperature switches are ideal for operations in harsh Division 1 hazardous environments where space is at a premium. It can be used in a variety of demanding applications. The Spectra 12 Series is approved for use in Class I Division 1 hazardous locations by UL for US and Canadian installations.



Specifications

Storage temperature:
-58° to 203°F (-50 to 95°C)
Ambient temperature limits:
-58 to 203°F (-50 to 95°F). Set point shifts less than 1% of range for a 50°F (28°C) ambient temperature change. Slight ambient affects for 25-50' extra capillary length
Set point repeatability:
Temperature models: 1% of adjustable range
Pressure models, sensor type 2 and 7: -50 to 400°F (-45 to 204°C);
sensor types 3 and 4: ± 1% of adjustable range;
sensor types 5 and 6: 0 to 320°F (17 to 160°C)
Shock:
Temperature models: set point repeats after 15 Gs,
10 millisecond duration
Pressure models: set point repeats after 75 Gs, 10 milliseconds
Vibration:
Set point repeats after 2.5 Gs, 10-2000 Hz
Enclosure:
300 series stainless steel
Enclosure Classification:
NEMA 4X, 7, 9; IP66
Switch output:
One SPDT, factory sealed leadwires. Mechanical contact life 10 million cycles. Two SPDT for DPDT action
Electrical ratings:
Code H, 5 amp at 250 VAC, 5 amps resistive and 3 amps inductive at 28 VDC. Silver contacts. Code L, 1 amp at 125 VAC, 1 Amp resistive and 0.5 amp inductive at 28VDC. Bifurcated gold contacts
Electrical connection:
1/2" NPT (male) with 72" leadwires.
Option M515, 4 terminal DIN connector
(DIN 43650) available SPDT only
Weigh:
Temperature models: approximately 1 lb, 14 oz. (0,85 kg)
Pressure models: approximately 12 ounces (0,34 kg)
Temperature assembly:
Non-toxic oil fill; 6 feet 304 stainless steel. Optional lengths available
Temperature deadband:
Typically 2% of range under laboratory conditions
(70°F ambient circulating bath at a rate of 1/2°F per minute change)
Pressure connection:
1/2" NPT (female), 1/4" NPT (female). Option M511, 1/4" NPT (male)

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Approvals

Class I, Division 1, Groups A,B,C,D;
Class II, Division 1, Groups E,F,G;
Class III
Class I, Zone 1, Group IIC T6,
Enclosure type 4X, 7, 9

UL, cUL listed
Temperature: UL, cUL file # E43374,
UL 873, 1203 Pressure: UL 508, 698

CSA Certified
Temperature: CSA C22.2 no. 24, 25, 30
Pressure: CSA C22.22 no. 14, 25, 30

CENELEC flame proof construction per
EExd IIC T6, EN50 014, EN50 018
DEMKO certidicate # 97D.122235X


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Model Charts

Pressure Model Charts

Sensor Type 2, 1/2" NPTF 316L stainless steel pressure connection and welded diaphragm, 23/32" orifice for clean out purposes. High proof pressure. Not recommended for high cycling applications.

Model
Adjustable Range
Deadband
Max. Working
Proof Pressure

Fall Low
Rise high
Low
High
High


psi
bar
psi
bar
psi
bar
psi
bar
psi
bar
psi
bar
A
10
0,7
25
1,7
2
0,1
7
0,5
1000
69
2500
172
B
15
1,0
45
3,1
3
0,2
10
0,7
1000
69
2500
172
C
25
1,7
85
5,9
5
0,3
20
1,4
1000
69
2500
172
D
50
3,5
130
9,0
7
0,5
25
1,7
1500
103
2500
172
E
100
6,9
210
14,5
8
0,6
30
2,1
1500
103
2500
172
F
160
11,0
400
27,6
10
0,7
50
3,4
1500
103
2500
172
G
275
19,0
850
58,6
40
2,8
125
8,6
1500
103
500
172

Sensor Type 3, 1/2" NPTF 316L stainless steel pressure connection, Teflon® coated Polyimide (Kapton®) diaphragm, Buna N O-ring, 1/2" orifice for clean out purposes.

Sensor Type 4, 1/4" NPTF 316L stainless steel pressure connection, Teflon® coated Polyimide (Kapton®) diaphragm, Buna N O-ring, 1/8" orifice.


Model
Adjustable Range
Deadband
Max. Working
Proof Pressure

Fall Low
Rise high
Low
High
High


psi
bar
psi
bar
psi
bar
psi
bar
psi
bar
psi
bar
A
8
0,6
30
2,1
2
0,1
6
0,4
600
41
1000
69
B
15
1,0
55
3,8
3
0,2
8
0,6
600
41
1000
69
C
30
2,1
170
11,7
5
0,3
15
1,0
600
41
1000
69
D
100
6,9
370
25,5
15
1,0
50
3,4
600
41
1000
69
E
200
13,8
700
48,3
40
2,8
90
6,2
1500
103
3000
206
F
400
27,6
1500
103,0
100
6,9
250
17,2
3000
206
4500
309
G
1000
68,9
3200
220,6
100
6,9
500
34,5
6000
414
10000
689
H
2000
137,9
6000
414,0
400
27,6
800
55,2
8000
551
10000
689

Sensor Type 5, 1/2" NPTF 316L stainless steel pressure connection and diaphragm, Viton O-ring, 1/2" orifice for clean out purposes. Other materials available.

Sensor Type 6, 1/4" NPTF 316L stainless steel pressure connection and diaphragm, Viton O-ring, 1/8" orifice. Other materials available.


Model
Adjustable Range
Deadband
Max. Working
Proof Pressure

Fall Low
Rise high
Low
High
High


psi
bar
psi
bar
psi
bar
psi
bar
psi
bar
psi
bar
A
9
0,6
35
2,4
2
0,1
7
0,5
600
41
1000
69
B
25
1,7
65
4,5
3
0,2
10
0,7
600
41
1000
69
C
50
3,5
150
10,3
5
0,3
15
1,0
600
41
1000
69
D
100
6,9
350
24,1
15
1,0
50
3,4
600
41
1000
69
E
250
17,2
700
48,3
40
2,8
95
6,6
1500
103
3000
206
F
400
27,6
1500
103,0
100
6,9
300
20,7
3000
206
4500
309
G
1000
68,9
3200
220,6
100
6,9
500
34,5
6000
414
10000
689
H
2000
137,9
6000
414,0
400
27,6
1000
69
8000
551
10000
689

Sensor Type 7, 1/2" NPTF 316L stainless steel pressure connection and welded diaphragm. Large 23/32" orifice for clean-out purposes.

Model
Adjustable Range
Deadband
Max. Working
Proof Pressure

Fall Low
Rise high
Low
High
High


psi
bar
psi
bar
psi
bar
psi
bar
psi
bar
psi
bar
A
3
0,2
15
1,0
1
0,1
4
0,3
300
20,7
500
34
B
10
0,7
35
2,4
1
0,1
6
0,4
300
20,7
500
34
C
25
1,7
85
5,9
3
0,2
11
0,8
300
20,7
500
34
D
65
4,5
125
8,6
6
0,4
18
1,2
300
20,7
500
34

Temperature Model Chart

Model
Adjustable Range
Max. Temperature
Bulb Size
 

°F
°C
°F
°C
(Dimension A)
R1
-130 to 102
-90 to 50
170
75
3/8 x 4 7/8"
R2
0 to 150
-15 to 65
200
93
3/8 x 7 1/4"
R3
50 to 300
10 to 150
350
176
3/8 x 4 1/2"
R4
150 to 650
70 to 340
700
370
3/8 x 4"

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How to Order

Build a part number by selecting Housing Material, Electrical Rating and Number of Switches, Electrical Conduit. Choose the Sensor Type and the Range from the Model Chart. If options are required, add the code from the option list below.
Example: 12SHSN64M446.


12
S
H
S
N
6
4
M446
Series
Housing Materials
Electrical Rating
Number of Switches
Electrical Conduit
Sensor Type, Pressure Connection
Model
Option(s)


COMP0NENTS CODE
DESCRIPTION
Series
12
Housing Materials
S
Stainless Steel
Electrical Rating
L
1 amp
H
5 amp
Number of Switches
S
SPDT
D
DPDT
Electrical Conduit
N
1/2" NPTM
M
M20
Sensor Type, Pressure Connection
2
Welded 316 st/st diaphragm, 1/2" NPTF
3
Teflon® coated Polyimide (Kapton) diaphragm, 1/2" NPTF
4
Teflon® coated Polyimide (Kapton) diaphragm, 1/4" NPTF
5
Stainless steel diaphragm, 1/2" NPTF
6
Stainless steel diaphragm, 1/4" NPTF
7
Welded 316 st/st diaphragm, 1/2" NPTF
R
Remote mount temperature
Model
A, B, C, D,
E, F, G, H,
1, 2, 3, 4
Option(s)
M201
Factory set switch, specify increasing or decreasing
M277
Range in kPa on nameplate
M278
Range in kg/cm2 on nameplate
M411
Compliance to NACE MR-0175 for Sensor type 2 & 7;
types 3, 4, 5 & 6 standardly comply with NACE MR-0175
M430
Cover lock
M446
Stainless steel ID tag and wire
M460
External ground screw
M511
1/4" NPTM pressure connection for sensors types 3, 4, 5 & 6 only
M513
Junction box, pre-wired; does not include enclosure type 4X approval
M515
DIN 43650 (not approved for Class I, Divisions 1 & 2 or CENELEC flame proof requirements). Available SPDT only.
M550
Oxygen service cleaning
NC1
NACE certificate
62169-13
Mounting bracket kit
6361-694
Junction Box and terminal kit, not prewired
Consult UE
Junction box, EExe CENELEC
Exotic materials
Non-Belleville versions

Wells Number
Description
W076
304 SS with 3/4 bushing and x 4" BT
W119
304 SS with 3/4 bushing and x 7" BT
W177
304 SS with 1/2 bushing and x 7" BT
W193
304 SS with 1/2 bushing and x 4" BT

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United Electric Controls Products
 
 

United,Electric,Controls
5320 BRADCO BLVD
MISSISSAUGA ON L4W 1G7
Tel: 905 625 5082
Fax: 905 625 5709

Stainless Steel Pressure & Temperature Switches

Copyright Owner:
Process Controls and Instrumentation
102 Wellington St E
Alliston ON L9R 1G7
Tel: (705) 435-9112 Fax: (705) 435-5277
email: webmaster@process-controls.com