Chromalox SRF Catalog Page
SRF
Heating Cable
Self-Regulating Freeze
Protection (cont’d.)
Ordering Information
Output
(W/Ft.) Volts Model Stock PCN
Output at Rated Voltage
3 @ 50°F
5 @ 50°F
8 @ 50°F
With Optional Overcoat (CR)
3 @ 50°F
5 @ 50°F
8 @ 50°F
120
208 - 277
120
208 - 277
120
208 - 277
120
208 - 277
120
208 - 277
120
208 - 277
SRF 3-1C
SRF 3-2C
SRF 5-1C
SRF 5-2C
SRF 8-1C
SRF 8-2C
SRF 3-1CR
SRF 3-2CR
SRF 5-1CR
SRF 5-2CR
SRF 8-1CR
SRF 8-2CR
S
S
S
S
S
S
S
S
S
S
S
S
386943
386951
386960
386978
386986
386994
386100
386118
386142
386150
386062
386070
Wt./1000'
Accessories
Accessories U Series DL EL
Power Connection Heat trace to electrical service connection UPC RTPC SSK
Splice & Tee UMC RTST RT-RST
End Seal For terminating cable UES RTES RT-RES
Thermostat Ambient air sensing thermostat UAS RTAS THL/TXL
Line sensing mechanical thermostat UBC RTBC THR/TXR
General Application & Installation Accessories such as tape, pipe straps, warning labels,
etc., refer to the U Series and DL & EL General Application Accessories page at the end
of this section.
(Lbs.)
53
53
53
53
53
53
64
64
64
64
64
64
Ordering
Information
To Order —
Complete the
Model Number
using the Matrix
provided.
Model Self-Regulating Medium Temperature
SRF Self-Regulating, Freeze Protection Heating Cable
Code Output (W/Ft.)
3 Three
5 Five
8 Eight
Code Voltage
1 120
2 208 - 277
Code Braid and Overcoat Options
C Standard tinned-copper metallic
braid for additional protection and
ground path
CR TPR overjacket over braid for
protection against certain
inorganic chemical solutions
SRF 5 – 1 C Typical Model Number
G-42
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