P-SERIES ASHCROFT | Alldatasheet
Document overview
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Technical content
All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft® and Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks of 4
FEATURES
Precision SPDT snap-acting micro switch Setpoint adjustable from 0-100% of range Single or dual adjustable set points Choice of temperature ranges (from -40 °F to 750 °F) Fixed or adjustable deadband Direct or remote reading thermal systems Wide selection of switch elements TYPICAL USES Refineries Chemical and Petrochemical Plants Water and Sewage Treatment Plants Steel Mills Pumps, Compressors and Turbines Boilers and Burners Reverse Osmosis Systems KEY BENEFITS
- Dual chamber design provides safe setpoint adjustment even with power connected
- Epoxy-coated aluminum enclosures provides added protection in harsh environments
- Easy-to-read scale for approximate setpoint indication (±5% accuracy)
- Hermetically sealed micro switches offer improved reliability and safety (UL Class I Div II approval) PERFORMANCE SPECIFICATIONS Set Repeatability (Accuracy): ±1% span Switch Type: SPDT or 2 SPDT with independent setpoints Setpoint and Deadband: Single setpoint, fixed deadband Single setpoint, adjustable deadband Dual Independent setpoint, fixed deadband Enclosure Ratings: NEMA 7 & 9, IP66 Enclosure Material: Epoxy coated aluminum Process Connection: Direct Mount: ½ NPT Male Remote Mount: ½ NPT Male bushing (OPT.) Electrical Termination: ¾ NPT Female Direct Mount: Stem lengths from 2¾˝ to 12˝ Remote Mount: Capillary lengths from 5´ to 25´ (5 ft. increments) Approavals: UL, CSA, CE/UKCA CLASS I DIV 1 GROUPS B, C, & D CLASS II DIV 1 GROUPS E, F, & G WETTED MATERIAL Direct Mount Remote Mount
316 Stainless steel Bulb capillary: 316 SS
Spiral armor: 302 SS P-Series Remote Mount P-Series Direct Mount P-Series Temperature Switches
All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft® and Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks of 4 ORDERING CODE Example: PTA N7 H 05 A7 030 XNH 150/260F Function/Enclosure PTA - Temperature control, single setpoint, adjustable deadband single setpoint, adjustable deadband N7-NEMA 7 & 9, IP66, Explosion Proof Class 1, Div 1 & 2 PTA PTD - Temperature control, two independently, adjustable setpoint, fixed deadband N7-NEMA 7 & 9, IP66, Explosion Proof Class 1, Div 1 & 2 PTS - Temperature control, single setpoint, fixed deadband N7-NEMA 7 & 9, IP66, Explosion Proof Class 1, Div 1 & 2 Enclosure N7 - NEMA 7 & 9, IP66, Explosion Proof Class 1, Div 1 & 2 N7 Switch Elements For PTA Controls H - General purpose - 10A,125/250 Vac, 1/2A, 125 Vdc, 1/4A, 250 Vdc H J - Hermetically sealed, general purpose - 11A, 125/250 Vac 5A, 30 Vdc Single/Dual Switch Elements For PTD & PTS Controls C/CC - Heavy duty ac - 22A, 125/250 Vac E/EE - Manual reset acutates on decreasing pressure 15A, 125/250 Vac 6A, 130 Vdc, (no hazardous approval) F/FF - Sealed environment proof - 15A, 125/250 Vac (estimated dc rating - 4A, 28 Vdc, not UL listed) G/GG - General purpose - 15A, 125/250/480 Vac, 1/2A, 125 Vdc, ¼A, 250 Vdc (not UL listed at 480 Vac) H/HH - General Purpose - 10A, 125/250 Vac 10A, Vdc J/JJ - Hermetically sealed switch, general purpose - 11A, 125/250 Vac 5A, 30 Vdc K/KK - Narrow Deadband - 15A, 125/250 Vac (estimated dc rating - 0.4A, 120 Vdc, not UL listed) M/MM - Low level gold contacts, 1A - 125 Vac P/PP - Hermetically sealed AC - 5A, 125/250 Vac (estimated dc rating - 2.5A, 28 Vdc, not UL listed) S/SS - Heavy Duty DC - 10A, 125 Vac or Vdc, 1⁄8 HP, 125 Vac or Vdc U/UU - Manual Reset, Actuates on Increasing Pressure - 15A, 125/250 Vac, 6A, 130 Vdc (no hazardous approval) Y/YY - High Temperature 300 °F Ambient - 15A, 125/250 Vac W/WW - Ammonia Service - 5A, 125/250 Vac, 6A, 30 Vdc Capillary Line Length Direct Mount 00 - Direct Mount Remote Mount - Capillary with Armor (Consult factory for custom or longer lengths) 05 - 5´ 05 10 - 10´ 15 - 15´ 20 - 20´ 25 - 25´ Thermal System Selection Direct Mount No entry required for direct mount Remote Mount A7 - Stainless steel Armor (STD.) A7 Remote Mount Bulb Length Selection Direct Mount S Dim. U Dim. 027 23/4˝ 040 4˝ 2½˝ 060 6˝ 4½˝ 090 9˝ 7½˝ 120 12˝ 10½˝ Remote Mount 030 3˝ 2½˝ 030 Options (see Table 1 on page 3) (If choosing an option(s) must include an “X”) X__ NH - Tagging Stainless steel NH Temperature Ranges (see temperature range table on page 3) 150/260 °F 150/260F P-Series Temperature Switches
All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft® and Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks of 4 STANDARD TEMPERATURE RANGE SELECTION Nominal Range Max. Temperature Approximate Deadband Switch Element in °F °F °C °F PTA PTS PTD J,H G J,H K,F P G,G JJ,HH KK,FF PP –40 to 60 –40 to 16 400 8-90 2-10 9-18 1-2 1-5 2-10 9-18 1-2 1-5 0 to 100 –20 to 40 400 30-90 2-15 10-30 1-3 1.5-7 2-15 10-30 1.5-3 1.5-7 150 to 260 65 to 125 400 25-100 2.5-12 9-25 1-2.5 1-7 2.5-12 9-25 1-2.5 1-7 235 to 375 110 to 190 500 35-130 2-18 10-35 1-4.5 1.5-8 2-18 10-35 1-3.5 1.5-8 350 to 525 175 to 275 700 40-165 3-25 15-40 2-3.5 2.5-11 3-25 15-40 2-4.5 2.5-11 500 to 750 260 to 400 900 50-200 20-36 36-60 5-10 6-21 20-36 36-60 5-10 6-21 TABLE 1 - OPTIONS Code Description Notes CH Chained cover FP Fungus proof FS Factory adjusted setpoint Setpoint must be given as increasing or decreasing C8 CSA approved JL 3/4 to ½ reducing bushing Conduit reducing bushing K3 Terminal blocks NH Tagging Stainless steel PM 3/4˝ sealed conduit connection with 16˝ lead wires BX ½ Male NPT bushing Remote mount only - seals capillary to thermowell P-Series Temperature Switches
All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft® and Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks of 4 DIRECT MOUNT REMOTE MOUNT 1.06 (27) 2.30 (58) 0.38 (10) 4.75 (121) 3.88 (99) 5.50 (140) 5.00 (127) Ø 0.31 X 4 HOLES (8) Ø 2.31 (59) /4 NPT TYP Ø 3.90 (99) 4.70 (119) 3.06 (78) 2.90 (74) 7.16 (182) “S” Ø 0.37 (9) 2.31 (59) ACTIVE LENGTH ½ NPT /8 HEX 1.31 MALE BULB (33) 1.06 (27) 2.30 (58) 0.38 (10) 4.75 (121) 3.88 (99) 5.50 (140) 5.00 (127) Ø 0.31 X 4 HOLES (8) Ø 2.31 (59) /4 NPT TYP 2.31 (59) ACTIVE LENGTH Ø 3.90 (99) 4.70 (119) 3.06 (78) 2.90 (74) 7.16 (182) 2.50 (64) “L” 3.00 (76) Ø 0.37 (9) BULB DIMENSIONS in [ ] are millimeters For reference only, consult Ashcroft for specific dimensional drawings “S” Dimensions 2¾˝ [70] 4˝ [102] 6˝ [152] 9˝ [229] 12˝ [305] “G” Dimensions 3˝ [76] 6˝ [152] 7½˝ [191] 10½˝ [267] 13½˝ [343] P-Series Temperature Switches