Honeywell L404 Oil PressureTrol
a. Nominal at midscale operating range.
b. Brass bellows instead of stainless steel diaphragm.
c. Models with 1/4-19 BSPT thread instead of 1/4-18 NPT thread.
d. Make-on-rise models with terminal B omitted for miswiring compliance.
Features
- Use with steam, air, noncombustible gases, or fluids non-corrosive to pressure sensing element.
- Models have snap-acting switching to open or close a circuit on pressure rise.
- Have adjustable differentials.
- Adjustments are made by screws on top of case.
- Mount using 1/4 inch -18 NPT internal pipe threads or surface mount through base of case.
- Ground screw terminal.
Product Specifications
- Application: Provide control of steam, air, non-combustible gases or non-corrosive fluids
- Dimensions (in.): 4 27/32 in. high x 4 1/2 in. wide x 3 1/4 in. deep
- Dimensions (mm): 123 mm high x 114 mm wide x 83 mm deep
- Mounting: 1/4 in. NPT internal thread or surface mount through back of case
- Approvals, Underwriters Laboratories Inc.: Listed: File No. MP466, Guide No. MBPR
- Approvals, Canadian Standards Association: Certified: File No. LR1620, Guide No. 400-E-O
- Electrical Connections: Screw terminals
- Contact Ratings: 120 Vac Switch Contact-- 8.0 AFL, 48.0 ALR, 10.0 A resistive; 240 Vac Switch Contact-- 5.1 AFL, 30.6 ALR, 5.0 A resistive
- Operating Temperature Range (F): -35 F to +150 F
- Operating Temperature Range (C): -37 C to +66 C
- Approvals, Swiss RE: Acceptable
- Sensor Element: Stainless Steel diaphragm
-
Differential Type: Subtractive - Switch Operation: Auto recycle
- Switching Action: SPDT snap action, make R-W, break R-B on pressure rise
- Pipe Connection: Main or High Pressure--1/4 in. NPT internal thread
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