Heater Catalog - Watlow

Tubular HeatersFIREBAR Single/Double-Ended HeatersTechnical Data (Continued)TerminationsAll FIREBAR heaters are available with a variety oftermination options. Contact your Watlow representativefor availability.Part 1 in. FIREBAR 5 /8 in. FIREBARNumber* Termination Phase Wiring Dual-Ended S. End/FINBAR Dual-Ended Single-EndedAl Sil-A-Blend 200°C lead wire 1 Parallel Yes Yes Yes YesA2 Sil-A-Blend 200°C lead wire 1 Series Yes No Yes NoA3 Sil-A-Blend 200°C lead wire 3 Delta Yes No No NoA4 Sil-A-Blend 200°C lead wire 3 Wye Yes Yes No NoB1 TGGT 250°C lead wire 1 Parallel Yes Yes Yes YesB2 TGGT 250°C lead wire 1 Series Yes No Yes NoB3 TGGT 250°C lead wire 3 Delta Yes No No NoB4 TGGT 250°C lead wire 3 Wye Yes Yes No NoC1 1⁄4 in. quick connect (spade) 1 Parallel Yes Yes Yes YesC2 1⁄4 in. quick connect (spade) 1 Series Yes No No NoD1 Screw lug (plate) terminal 1 Parallel Yes Yes Yes YesD2 Screw lug (plate) terminal 1 Series Yes No No NoD3 Screw lug (plate) terminal 3 Delta Yes No No NoE1 #10-32 stud terminal 1 Parallel Yes Yes Yes YesE2 #10-32 stud terminal 1 Series Yes No No NoE3 #10-32 stud terminal 3 Delta Yes No No NoTermination Code Number Legend*D = Nickel-plated steel screw lug with ceramic insulator and platedA = Silicone rubber insulation (Sil-A-Blend) with fiberglass oversleevesRated to 392°F (200°C)B = High-temperature TGGT insulation with fiberglass oversleevesRated to 480°F (250°C)FBAR FBAR D DC = Nickel-plated steel quick connectFBAR ADouble-End/Single-End DOUBLE END 1 1" F THREADED1 in. "DOUBLE FIREBAR a1" DE F THREADED STUD STUD END 5/8"Flexible Lead Wire a Screw Lug (Plate)A, BD1FBAR Hsteel screwFBAR F 3E = #10-32 nickel-plated DOUBLE steel END threaded 1 INCH FIREBAR stud with plated steel nuts andwashers 2 SCREW VIEWElectrical Configuration1 = 1-phase parallel, 2 = 1-phase series, 3 = 3-phase delta,4 = 3-phase wyeSINGLE END 1"FIRE5/8 " DE 5/8 F " THREADED F THREADED STUD STUDScrew Lug (Plate)D3SINGLE END 5/8"FIREThreaded StudE2A• Double-End FBAR B 1 in. FIREBAR• Single-End 1 in. FIREBAR• FINBARQuick Connect (Spade)C1FBAR C• Double-End 1 in. FIREBARQuick Connect (Spade)C2• Double-End 1 in. FIREBARFBAR GFBAR GFBAR G• Double-End 1 in. FIREBARDOUBLE END 1 FIREBAR3-phase deltaFBAR EDOUBLE END 1 INCH FIREBAR wiring example• Double-End 1 & 5 /8 in. FIREBAR• Double-End 1 in. FIREBAR• Double-End 1 & 5 /8 in. FIREBAR"DOUBLE END 5/8"Single-End FIREBAR, Double-End FINBAR 1 5 /8 in. FIREBAR aFlexible Lead Wire aA, BScrew Lug (Plate)D2Quick Connect (Spade)C3Threaded StudE1Screw Lug (Plate)D4FBAR F WIRINGFBAR 1-3• Double-End 1 in. FIREBARDOUBLE END 5/8 FIREBARThreaded StudE3• Double-End 1 in. FIREBAR3-phase deltawiring exampleThreaded StudE4FBAR I WIRINGaFlexible lead wires are 12 in. (305 mm)long unless otherwise specified.• Single-End 1 in. FIREBAR• Double-End 5 /8 in. FIREBAR• Single-End 5 /8 in. FIREBAR• FINBAR• Single-End 1 FIREBAR• FINBAR• Double-End 5 /8 in. FIREBAR• Single-End 5 /8 in. FIREBAR• Single-End 1 in. FIREBAR• FINBAR• Double-End 5 /8 in. FIREBAR• Single-End 5 /8 in. FIREBAR• Single-End 1 in. FIREBAR• FINBARaFlexible lead wires are 12 in. (305 mm)long unless otherwise specified.WATLOW ®101