Ideal for use in areas with limited installation space, the 744-C model is a miniature piston-operated, field adjustable pressure switch designed to withstand challenging operating conditions—including exposure to oil, water, dust, impact forces and vibration.

« Pressure Switches / 744-C Series

Features

Adjustable pressure
Piston
25-6000psig range

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Specifications

Temperature range from -40 to 250°F
Pressure connection: 1/4″-18 and 1/8″-27 NPT, 9/16″-18 UNJF-3A
At 28 VDC:
- 7 amps resistive
- 4 amps inductive
- 2 1/2 amps lamp load
3 terminal tabs #8-32 with SEMS screws
Aluminum electric module housing
303 stainless steel hydraulic module housing
Aluminum hard coat anodized adjusting sleeve
Tamper-resistant locking device
Nitrile “o”-ring
UL listed
NEMA Type 4 rating
Integral pressure port snubbing
Inherent rugged construction

Available Options

Snap-action electrical switch tested to 1 million cycles
High overpressure capability
Close accuracy and repeatability
High shock and vibration survivability

Applications

Off road equipment
Industrial OEM equipment
Train braking systems
Compactors
Compressors

Operating Pressure Data
Series	Range Indicator	Range Number	Adjustment Range		Dead Band*		Max System Pressure		Proof Pressure
Series	Range Indicator	Range Number	PSIG	BAR	PSIG	BAR	PSIG	BAR	PSIG	BAR
744	1	150	25 – 140	1.72 – 9.65	4 / 14	0.28 / 0.97	1500	103	2250	153
744	6	300	50 – 275	3.45 – 18.96	10 / 27	0.69 / 1.86	2400	165	3500	241
744	2	575	100 – 540	6.89 – 37.23	15 / 45	1.03 / 3.10	3000	207	4500	310
744	3	1550	275 – 1500	18.96 – 103.42	45 / 130	3.10 / 8.96	4500	310	6800	469
744	4	3500	625 – 3400	43.09 – 234.42	150 / 240	10.34 / 16.55	6500	448	10000	690
744	5	6100	1100 – 6000	75.84 – 413.68	250 / 425	17.24 / 29.30	7500	517	12000	827