Thermocouple and RTD Protection Heads
Volume discounts available
Volume Discount Schedule
| Quantity | Price each |
|---|---|
| 1-9 | $35.65 |
| 10-24 | $33.87 |
| 25-99 | $32.09 |
| 100-499 | $30.30 |
| 500-999 | $28.52 |
| 1000+ | $26.74 |
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- NB1 - Cast Iron
- NB2 - Burnished Die Cast Aluminum
- NB4 - Miniature Aluminum
- NEPA & NEPB - Explosion Resistant
- NSA, NSB & NSC - Cast Iron
- NEP-T - Cast Iron with Aluminum Cap Exposion Resistant
- HEP-TX - Feraloy Iron Alloy
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Material
Process Connection
Terminals
Protection Tube Entry
Product Specs
OMEGA offers a wide range of thermocouple heads from cast iron to Feraloy Iron Alloy.
Material Type Model No. Terminals Wt.
(oz) Threaded Openings Features Protection
Tube Entry Extension
Wire Entry Cast Iron NB1 NB1-0
NB1-2
NB1-4 0 = no terminal block
2 = single element
4 = duplex element
max. 14 gage wire 22
23
24 1/2' NPT 1/2' NPT * Rugged construction
* Screw cover with inside thread
* Moisture and dust resistant
* Ideal for outdoor use Burnished
Die Cast
Aluminum NB2 NB2-0
NB2-2
NB2-4 0 = no terminal block
2 = single element
4 = duplex element
max. 14 gage wire 5
6
6-1/2 1/2' NPT
Standard 1/2' NPT
w/compression
fitting for 1/8' to
1/4'O.D. wire * Small and Lightweight
* Good corrosion resistance
* Gasketed, weather resistant
* Burnished finish
* Safety chain on cover Cast
Aluminum
Body and
Cap NEPA NEPA-0
NEPA-2
NEPA-4 0 = no terminal block
2 = single element
4 = duplex element
max. 14 gage wire 16-1/2
17-3/4
18-1/4 3/4' NPT 3/4' NPT * Explosion resistant head
* Rated for: Class III
Class I, Group C, D
Class II, Groups E, F, G
* Screw cover
* Moisture and dust resistant
* Safety Ideal for outdoor use
* Safety Utilizes barrier strip connector (optional) NEPB NEPB-0
NEPB-2
NEPB-4 0 = no terminal block
2 = single element
4 = duplex element
max. 14 gage wire 21-1/2
22-3/4
23-1/4 1/2' NPT 1/2' NPT Cast
Iron NSA NSA-0
NSA-2
NSA-4 0 = no terminal block
2 = single element
4 = duplex element
max. 8 gage wire 42
46
48 1/2' NPT 3/4' NPT * Rugged construction
* Screw cover with inside thread
* Moisture and dust resistant
* Ideal for outdoor use
* Standard OMEGA™
heavy duty head
* Cover equipped with safety
chain (readily removed
without tools) NSB NSB-0
NSB-2
NSB-4 0 = no terminal block
2 = single element
4 = duplex element
max. 8 gage wire 40
44
46 3/4' NPT 3/4' NPT NSC NSC-0
NSC-2
NSC-4 0 = no terminal block
2 = single element
4 = duplex element
max. 8 gage wire 36
40
42 1' NPT 3/4' NPT Cast Iron
with
Aluminum
Cap NEP-T NEP-T0
NEP-T2
NEP-T4 0 = no terminal block
2 = single element
4 = duplex element
max. 14 gage wire 75
76
76 1/2' NPT 1/2' NPT * Explosion resistant head
* Rated for
Class I, Group C, D
Class II, Groups E, F, G
Class III
* Screw cover with inside thread
* Moisture and dust resistant
* Ideal for outdoor use
* Utilizes barrier strip
connector (optional) Feraloy
with
Iron
Alloy HEP-TX HEP-TX-0
HEP-TX-2
HEP-TX-4
HEP-TX-70 0 = no terminal block
2 = single element
4 = duplex element
70 = for mounting
TX70 Transmitter
max. 14 gage wire 62
64
64
66 1' NPT
3/4' NPT 1' NPT
3/4' NPT * Explosion resistant head
for 2-wire transmitter
* Rated for
Class I,
Div 1&2, Groups C, D
Class III
Class II, Div 1
Groups E, F, G, Class III
* Moisture and dust resistant
* Ideal for outdoor use
* Utilizes barrier strip
connector (optional)
Note: NEMA 4X rated Heads Available. Please consult our Technical Quotations Department.