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Honeywell Micro Switch 21CH38-18

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21CH38-18

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The Honeywell 21CH38-18 is a versatile limit switch designed for various applications. Capable of handling up to 600 VAC and 250 VDC, it provides reliable operation across a range of environments.

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Technical specifications for 21CH38-18

ManufacturerHoneywell
Product TypeLimit Switch
Product LineMicro Switch
Part Number21CH38-18
IlluminatedNon-Illuminated
Contact TypeDPDT
Actuator StyleRoller Arm
Rated Voltage (AC)600 VAC
Rated Voltage (DC)250 VDC
Rated Current10.0 A
Operating Force0.45 N
NEMA RatingNEMA 1, 3, 4, 6, 6P, 12, and 13
Termination StyleWire Lead
Minimum Operating Temperature-20°C
Maximum Operating Temperature105 °C
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The Honeywell 21CH38-18 limit switch, part of the Micro Switch series, is designed to function as a reliable control device across diverse settings. The unit is a non-illuminated model featuring a roller arm actuator style, which facilitates versatile positioning in installation. This device operates efficiently at an alternating current voltage of up to 600 VAC and direct current voltage of 250 VDC. The rated current for this switch is specified at 10.0 A, allowing for substantial load handling.

With a minimal operating force of 0.45 N, the 21CH38-18 responds accurately to mechanical inputs. The operating temperature range spans from -20°C to a maximum of 105°C, ensuring that the switch remains functional in both cold and warm conditions. The numerous NEMA ratings—NEMA 1, 3, 4, 6, 6P, 12, and 13—indicate a robust capacity to withstand varying environments, including dust, moisture, and harsh conditions.

Connections to this switch are made through a wire lead termination style, offering straightforward installation options. The Honeywell 21CH38-18 limit switch is a reliable component for numerous applications requiring precise control and durability.