HEAVY DUTY
5 (2) cold (ref)
6.4
(2.5)
min
hole
size
3 (0.475) dia. elements
2 (1.5) NPT conduit hubs (one side plugged)
Thermowell
B
23
(9.125)
20
(7.875)
B
17.9
(7.0625)
6.4 (2.5) min
hole size
5 (2) cold (ref)
Thermowell
15 (6)
(3) 0.475 dia. elements
Hole for 1.9 (0.75) conduit
IMMERSION HEATER WITH INTEGRAL
THERMOSTAT— 2.5 NPT FITTING
ARMTS-3 Series
Starts at
$
1200
⻬ Passivated Stainless
Steel Wetted
⻬ 3 Element Heater Design
⻬ 208, 240, or 480 Vac;
3 Phase Power
⻬ 3 to 18 kW
⻬ For Process Water
Applications
SPECIFICATIONS
Wattage: 3 to 18 kW
Power: 208, 240 or 480V;
3 phase power
Sheath: Passivated stainless steel
Screw Plug: 21⁄2 NPT passivated
stainless steel
Thermostat: Bulb and capillary
Enclosure: General purpose,
NEMA-1 rated, or type E2 moisture
resistant/explosion resistant enclosure
To Order
kW Phase W/in2Elem. cm (in) Model No. Price kg (Ib) Model No. Price kg (Ib)
ARMTS-3 with General Purpose Terminal Enclosure
3 3 51 3 18 (7) ARMTS-3305/*/3P $1200 4 (8) ARMTS-3305T1/*/3P $1200 4 (8)
4.5 3 48 3 28 (11) ARMTS-3455/*/3P 1300 4 (8) ARMTS-3455T1/*/3P 1300 4 (8)
6 3 48 3 43 (17) ARMTS-3605/*/3P 1350 4 (9) ARMTS-3605T1/*/3P 1350 4 (9)
7.5 3 53 3 47 (8.5) ARMTS-3755/*/3P 1400 5 (10) ARMTS-3755T1/*/3P 1400 5 (10)
9 3 47 3 61 (24) ARMTS-3905/*/3P 1500 5 (10) ARMTS-3905T1/*/3P 1500 5 (10)
12 3 46 3 81 (32) ARMTS-3120/*/3P 1650 4 (11) ARMTS-3120T1/*/3P 1650 4 (11)
15 3 46 3 100 (39.5) ARMTS-3150/*/3P 1800 5 (12) ARMTS-3150T1/*/3P 1800 5 (12)
18 3 51 3 119 (47)1ARMTS-3180/*/3P 1900 6 (13)1ARMTS-3180T1/*/3P 1900 6 (13)
ARMTS-3 with Moisture Resistant/Explosion Resistant Enclosure (Type E2)
3 3 51 3 18 (7)
4.5 3 48 3 28 (11)
6 3 48 3 43 (17)
7.5 3 53 3 47 (8.5)
9 3 47 3 61 (24)
12 3 46 3 81 (32)
15 3 46 3 100 (39.5)
18 3 51 3 119 (47)2ARMTS-3180E2/*/3P
1
Not UL Listed or CSA Certified (exceeds 48 amps) 2Not CSA NRTL/C Certified (exceeds 48 amps)
/* Designate voltage, i.e., “240” for 240V or “480” for 480V.
Ordering Example: ARMTS-3305T1/240/3P, 3 kW heater with a thermostat range of 0 to 100°F powered by 240 Vac, $1200.
(Specify Model Number)
NRTL/C
No. Htg. Dim. B Wt. Wt.
Dimensions: cm (in)
Fire and electrical shock may
result if products are used
improperly or installed or used
by non-qualified personnel.
ARMTS-3305/240,
CAUTION AND
WARNING!
$1200, shown
smaller than
actual size.
Note:
The integral thermostat functions as a
temperature control only. This is not a fail safe
device. An approved pressure or temperature
control should be used with these heaters to
assure safe operation. See Section P for our
selection of control devices.
ARMTS-3305E2/240,
$1450, shown smaller
than actual size.
MOST POPULAR MODELS HIGHLIGHTED!
T-2 Temp Range (60 to 250°F) T-1 Temp Range (0 to 100°F)
ARMTS-3305E2/*/3P
ARMTS-3455E2/*/3P
ARMTS-3605E2/*/3P
ARMTS-3755E2/*/3P
ARMTS-3905E2/*/3P
ARMTS-3120E2/*/3P
ARMTS-3150E2/*/3P
F-22
$1450 6 (13)
1550 6 (13)
1600 5 (12)
1650 6 (14)
1750 7 (15)
1900 7 (15)
2050 8 (17)
2150 8 (18)2ARMTS-3180E2T1/*/3P
ARMTS-3305E2T1/*/3P
ARMTS-3455E2T1/*/3P
ARMTS-3605E2T1/*/3P
ARMTS-3755E2T1/*/3P
ARMTS-3905E2T1/*/3P
ARMTS-3120E2T1/*/3P
ARMTS-3120E2T1/*/3P
$1450 6 (13)
1550 6 (13)
1600 6 (14)
1650 7 (15)
1750 7 (15)
1900 7 (16)
1900 8 (17)
2150 8 (18)
F
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