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Series ML1S

Description

ML1S Series temperature switches are economic, bi-metallic, factory pre-set temperature switches that complement both our new and traditional temperature switch lines. The ML1S features a one-piece, brass thermowell design, which houses a bi-metallic, SPST snap switch. This one piece, brass housing comes standard with 1/2" process and conduit connections is rated NEMA 4 and IP65 and is UL and CSA recognized. Switching action is SPST, wired normally open or closed and rated for 15 amps @ 125 VAC, 10 amps @ 250 VAC. The one-piece design offers integrity against leaks vs. other welded two-piece designs. For low or high limit alarm, shut-off, or control, the ML1S is ideal for OEM applications when a compact, inexpensive temperature switch is required.

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Features

  • Bi-Metallic Sensor
  • Compact Design
  • NEMA 4
  • One Piece Design
  • Proof Pressure up to 500 psi
  • Proof Temperature up to 340°F

Technical specifications

General Specifications*

Accuracy: See adjacent table
Switch: SPST-NO or SPST-NC
Wetted Parts: Brass
Electrical Connection: 18”, 18 AWG PTFE free leads
Electrical Ratings: 15A @ 125 Vac; 10A @ 250 Vac
Enclosure/Housing NEMA 4
Process Connection: 1/2" NPT
Conduit Connection: 1/2" NPT
Proof Pressure: 500 psi
Cycle Life: 100,000 cycles
Approvals: CE qualifi ed
UL and CSA
(cURus)
Temperature Range: 50°F - 300°F
Proof Temperature: 340°F
Warranty: 1 year
Weight: 0.15 lb.

General Specifications

Catalog Number Set Point Accuracy Differential (Fixed)1
ML1S-50-I-C 50°F (Inc.) ±10°F 27°F (15°C)
ML1S-70-I-C 70°F (Inc.) ±10°F 27°F (15°C)
ML1S-75-I-C 75°F (Inc.) ±10°F 27°F (15°C)
ML1S-125-I-C 125°F (Inc.) ±10°F 18°F (10°C)
ML1S-130-I-C 130°F (Inc.) ±10°F 18°F (10°C)
ML1S-165-I-C 165°F (Inc.) ±10°F 18°F (10°C)
ML1S-200-I-C 200°F (Inc.) ±10°F 18°F (10°C)
ML1S-235-I-C 235°F (Inc.) ±10°F 18°F (10°C)
ML1S-275-I-C 275°F (Inc.) ±10°F 27°F (15°C)
ML1S-300-I-C 300°F (Inc.) ±13°F 36°F (20°C)
ML1S-75-D-C 75°F (Dec.) ±10°F 27°F (15°C)
ML1S-130-D-C 130°F (Dec.) ±10°F 18°F (10°C)
ML1S-200-D-C 200°F (Dec.) ±10°F 18°F (10°C)