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MURPHY Models 5T, 15T, 12T and 24T Time Switches
时间开关
时间开关可以在预定时间后自动启动或停止发动机或电机。当时间到期时，这些时间开关可以连接到开路或闭路。它们不需要电流来操作，并且具有SPDT触点布置。这些开关的特点是精确的运动，提供多年的可靠服务。开关的精确运动可以随时设置为零，内置的止动装置可防止过卷。Enovation Control Time Switches can automatically start or stop engines or electrical motors after a predetermined time. These time switches can be wired for an open or closed circuit when time expires. They require no electrical current to operate and have an SPDT contact arrangement. These switches feature a precision movement that gives years of reliable service. The switches' precision movement can be set to zero anytime, and a built-in stop prevents overwinding.
MURPHY Models 5T, 15T, 12T and 24T Time Switches
Two versions are available: an hour switch for setting run time and shutdown of equipment; and a minute switch for short interruption of gage circuits on test or start up.
The 12T (12 hour) and 24T (24 hour) time switches are enclosed in a NEMA 4 weatherproof enclosure. A hinged, gasketed cover and 1/2 NPT conduit connection allow for a dust-tight installation. The enclosure includes a clasp and eye for a padlock to prevent unauthorized operation. Instructions for popular engine applications are secured inside of the lid.
The 5T (5 minute) and 15T (15 minute) timers mount directly in control panels for short range timing with manual reset.
These switches are perfect for disconnecting shutdown circuits while equipment is being started.
Enovation Controls Time Switches are designed for use in the oil field, irrigation systems or anywhere equipment must operate or be controlled for a predetermined time. Mounted on a post or in a panel away from vibration and shock, these time switches give accurate, long-term service.
Specifications
- Range:
- 12T: 0-12 hours in 15 minute intervals
- 24T: 0-24 hours in 30 minute intervals
- 5T: 0-5 minutes
- 15T: 0-15 minutes
- Operating Temperature Range: 32° to 185° F (0° to 85° C)
- Contact (all models): SPDT, rated 5 A @ 480 VAC; 10 A @ 250 VAC; 15 A @ 48 VDC
- Shipping Weight:
- 12T, 24T: 4 lbs. 12 oz. (2.15 kg)
- 5T and 15T: 6 oz. (11.66 g)
- Shipping Dimensions:
- 12T, 24T: 9-1/4 x 8-1/4 x 5-1/2 in. (235 x 210 x 140 mm)
- 5T and 15T: 3 x 2-3/4 x 2-3/4 in. (76 x 70 x 70 mm)
- Range:
- 12T: 0-12 hours in 15 minute intervals
- 24T: 0-24 hours in 30 minute intervals
- 5T: 0-5 minutes
- 15T: 0-15 minutes
- Operating Temperature Range: 32° to 185°F (0° to 85°C)
- Contact (all models): SPDT, rated 5 A @ 480 VAC; 10 A @ 250 VAC; 15 A @ 48 VDC
- Shipping Weight: 12T, 24T: 4 lbs. 12 oz. (2.15 kg); 5T and 15T: 6 oz. (11.66 g)
- Shipping Dimensions: 12T, 24T: 9-1/4 x 8-1/4 x 5-1/2 in. (235 x 210 x 140 mm); 5T and 15T: 3 x 2-3/4 x 2-3/4 in. (76 x 70 x 70 mm)
5T (20700155): Five Minute Time Switch
The 5T (5 minute) timer mounts directly in control panels for short range timing with manual reset. This switch is perfect for disconnecting shutdown circuits while equipment is being started.
Murphy Time Switches can automatically start or stop engines or electrical motors after a predetermined time. This time switch can be wired for an open or closed circuit when time expires. It requires no electrical current to operate and has an SPDT contact arrangement. The switch features a precision movement that gives years of reliable service. A built-in stop prevents overwinding.
Murphy time switches are designed for use in the oil field, irrigation systems or anywhere equipment must operate or be controlled for a predetermined time. Mounted on a post or in a panel away from vibration and shock, this time switch will provide accurate, long term service.
12T-LC (20000247): 12 Hour Time Switch-Less Case
The 12T-LC (12 hour) time switch is the replacement timer and board that are designed to fit into the 12T NEMA 4 weatherproof enclosure.
Murphy Time Switches can automatically start or stop engines or electrical motors after a predetermined time. This time switch can be wired for an open or closed circuit when time expires. It requires no electrical current to operate and has an SPDT contact arrangement. The switch features a precision movement that gives years of reliable service. A built-in stop prevents overwinding.
Murphy time switches are designed for use in the oil field, irrigation systems or anywhere equipment must operate or be controlled for a predetermined time. Mounted on a post or in a panel away from vibration and shock, this time switch will provide accurate, long term service.
Range: 0-12 hours in 15 minute intervals.
15T (20700154): 15 Minute Time Switch
The 15T (15 minute) timer mounts directly in control panels for short range timing with manual reset. This switch is perfect for disconnecting shutdown circuits while equipment is being started.
Murphy Time Switches can automatically start or stop engines or electrical motors after a predetermined time. This time switch can be wired for an open or closed circuit when time expires. It requires no electrical current to operate and has an SPDT contact arrangement. The switch features a precision movement that gives years of reliable service. A built-in stop prevents overwinding.
Murphy time switches are designed for use in the oil field, irrigation systems or anywhere equipment must operate or be controlled for a predetermined time. Mounted on a post or in a panel away from vibration and shock, this time switch will provide accurate, long term service.
Range: 0-15 minutes
24T (20700037): 24 Hour Time Switch
The 24T (24 hour) time switch is enclosed in a NEMA 4 weatherproof enclosure. A hinged, gasketed cover and 1/2 NPT conduit connection allow for dust-tight installation. The enclosure includes a clasp and eye for padlock to prevent unauthorized operation. Instructions for popular engine applications are secured inside the lid.
Murphy Time Switches can automatically start or stop engines or electrical motors after a predetermined time. This time switch can be wired for an open or closed circuit when time expires. It requires no electrical current to operate and has an SPDT contact arrangement. The switch features a precision movement that gives years of reliable service. A built-in stop prevents overwinding.
Murphy time switches are designed for use in the oil field, irrigation systems or anywhere equipment must operate or be controlled for a predetermined time. Mounted on a post or in a panel away from vibration and shock, this time switch will provide accurate, long term service.
Range: 0-24 hours in 30 minute intervals.
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