Key Specifications

• Diaphragm-actuated safety limit switches
• Available ranges: 0.4—5" WC, 3—21" WC, 12—60" WC or 1.5—7 PSI
• IP54 enclosure with removable transparent cover protects scale plate and adjusting knob, 1/4" NPT mount
• Switch ratings: 3.0 AFL, 18.0 ALR, 5.0 Amps resistive; Switch can be wired to turn on alarms
• UL listed, CSA listed, FM approved, IRI acceptable
• Operating temperature range: -40° to 140°F

Break Action	Operating Range	Pressure Differential at Min. Setpoint	Pressure Differential at Max. Setpoint	Switch Operation	Pressure Connection	Mounting	Full Part Number
On Pressure Fall	0.4" to 5" WC	0.6" WC	0.25" WC	Manual Reset	1/8" NPT	1/4" NPT	HWC6097A1095
	0.4" to 5" WC	—	—	Auto Recycle	1/8" NPT	1/4" NPT	HWC6097A1004
	3" to 21" WC	—	—	Auto Recycle	1/8" NPT	1/4" NPT	HWC6097A1053
	12" to 60" WC	—	—	Auto Recycle	1/8" NPT	1/4" NPT	HWC6097A1079
On Pressure Rise	3" to 21" WC	2.4" WC	4.2" WC	Manual Reset	1/8" NPT	1/4" NPT	HWC6097B1028
	12" to 60" WC	10" WC	12" WC	Manual Reset	1/8" NPT	1/4" NPT	HWC6097B1002
	1.5 to 7 PSI	1.1" WC	1.4" WC	Manual Reset	1/8" NPT	1/4" NPT	HWC6097B1051
	1.5 to 7 PSI	—	—	Auto Recycle	1/8" NPT	1/4" NPT	HWC6097B1101