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Phone: 847-356-0566  Fax: 847-356-0747      E-Mail: sales@mmcontrol.com
 

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Partlow Mechanical Limit Devices & Partlow Piston Pak

OL63X, O63X, OHL63X & OH63X High Limit Devices

Datasheet / Manual
Partlow Mechanical Limit Model N5-10X

Obsolete Product . . .
Contact M&M for options
or current availability.

OL63X: A compact, single switch, non-indicating temperature high limit device. Factory set to any temperature from -30° F to 1100° F. This device is intended for surface mounting.

O63X: A compact, single switch, non-indicating temperature high limit device. Can be set by the customer to any temperature from -30° F to 1100° F. This device is intended for surface mounting.

OHL63X: A compact, dual switch, non-indicating temperature high limit device with sensing element failure protection. Factory set to any temperature from -30° F to 1100° F. This device is intended for surface mounting.

OH63X: A compact, dual switch, non-indicating temperature high limit device with sensing element failure protection. Can be set by the customer to any temperature from -30° F to 1100° F. This device is intended for surface mounting.

Standard Features:
Red "normal operation" indicating light (OL63X & O63X)
Amber "normal operation" indicating light (OHL63X & OH63X)
Front panel reset button (all models)
Tamperproof - Cannot be overridden (all models)

Key Specifications (all models)
+/- 1% Accuracy
SPST switch: 250VA pilot duty; 250VAC max.
5.44" W x 5.0" H x 2.25" D

 

Partlow N5-10X Mechanical Limit

Datasheet / Manual
Partlow Mechanical Limit Model N5-10X

Obsolete Product . . .
Contact M&M for options
or current availability.

A compact, dual switch, non-indicating temperature high limit device with sensing element failure protection. Factory set to any temperature from -30ºF to 1100ºF. This device is intended for surface mounting.

Standard Features:
Front panel reset button
Tamperproof – Cannot be overridden
Preset and sealed at the factory

Key Specifications
+/- 1% Accuracy
SPST switch: 15A; 250VAC max.
5.44" W x 5.13" H x 2.19" D

 

Partlow ZFHL High Temp. Limit

Datasheet / Manual
Partlow Mechanical Limit Model ZFHL

Obsolete Product . . .
Contact M&M for options
or current availability.

A single switch, non-indicating temperature high limit device with front panel setpoint. Twelve temperature ranges covering -30° F to 1100° F. Can be panel or surface mounted.

Standard Features:
Front panel reset button
Tamperproof – Cannot be overridden

Key Specifications
+/- 1% Accuracy
SPST switch: 15A; 250VAC max.
5.88" W x 5.44" H x 4.13" D overall
4.75" W x 5.0" H panel cutout
 

LFHL Indicating High Temperature Limit

Datasheet / Manual
Partlow Mechanical Controller Model LFHL

Obsolete Product . . .
Contact M&M for options
or current availability.

An indicating high-temperature limit device with fail-safe feature for sensing element failure. Six operating ranges covering 0° F to 1100° F. Can be panel or surface mounted.

Standard Features:
Black temperature indicating pointer
Red setpoint indicator
Internal setpoint adjustment to prevent tampering
Red indicator light for normal operation
Front panel RESET button

Key Specifications
+/- 1% Accuracy
SPDT switch: 15A resistive; 250VAC max.
8.63" W x 8.0" H x 4.28" D

 

Partlow Piston Pak

Datasheet / Manual
Partlow Piston Pak

Obsolete Product . . .
Contact M&M for options
or current availability.

The Partlow Piston Pak is a fluid filled, hermetically sealed, stainless steel sensing element connected through a temperature compensated stainless steel capillary to a piston-cylinder arrangement. These sensors are rugged, reliable, sensitive, and accurate to within 1%. The capillary requires no armoring and the sensors are easily replaced in the field. Sensors cover the operating ranges from -30° F to 1100° F (-35° C to 600° C). Stainless steel element sleeves and capillary bushings are available, as well as Teflon and Geon element and capillary coatings.

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