SF11: Lugs, rings, quick connect terminals attached to the end of lead wires. Specify terminal type and size when ordering. Special terminals are available.
SF11A: Ring terminals. specify size: #6, #8, #10.
SF11B: Straight quick connect terminals. Specify male or female and size: 3/16″ or 1/4″.
SF11C: Flag quick connect terminals. Specify male or female and size: 3/16″ or 1/4″.
SF11D: Spade terminals. Specify size: #6, #8, #10.
SF12: Male dead front armored plug.
Ground wire (SF-6) should be specified when using any 3 prong plug.
SF12-P1: 2 prong/straight blade/2 pole/2 Wire/UL&CSA Listed/
NEMA 1-15P/125 volts/15 amps.
SF12-P2: 2 prong/twist lock/2 pole/2 wire/UL Listed/
NEMA L1-15P/125 volts/15 amps.
SF12-P3: 3 prong/twist lock/2 pole/3 wire/UL&CSA Listed/
NEMA L6-15P/250 volts/15 amps.
SF12-P4: 3 prong/twist lock/2 pole/3 wire/UL&CSA Listed/
NEMA L6-20P/250 volts/20 amps.
SF12-P5: 3 prong/straight blade/2 pole/3 wire/UL&CSA Listed/
NEMA 5-15P/125 volts/15 amps.
SF13: Enclosures for protection of electrical connections.
SF13A: General purpose box. NEMA No.1. 2 3/4″ x 1 1/2″ x 1 1/2″
XS34: Epoxy potting and welded ends for moisture proof applications to 265°F in potting area.
SF15: Flexible, stainless steel conduit.
SF23: Ceramic to metal seals for hermetic sealing and vacuum applications to 1000°F.
SF28: Three phase heaters.
SF29: Multiple heat; when a single unit with multiple wattages is necessary. Some uses of these
units include: quick heat-up with a standby circuit for maintenance of low temperature; providing different wattages when there is a wide variation in thermal loads; and replacing more expensive rheostats or powerstats for wattage control.
SF30: Special wattage distribution for units requiring different concentrations of wattage over their heated length. Specify distribution required in terms of percentage of wattage over a percentage of length.
SF37: Stainless steel sheath.
XS86: Ceramic terminal covers: with Type OF or SO terminals only
XS87: Mica heater. Mica insulation only. Unit has no metal outer sheath.
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Danvers, Massachusetts 01923-1011
Tel: # (978) 777-0070
Fax: # (978) 774-2409
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2017 Backer Hotwatt. All Rights Reserved.