EA170-42100

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The EA170-42100 limit switch features a NEMA form 'Z' contact arrangement, a durable zinc/aluminum housing, and an operating temperature range of 0°C to 90°C. Part of the Snaplock Limit Switches series by Danaher, it offers dust-tight, water-tight, and oil-tight enclosure meeting NEMA 1, 4, and 13 standards.

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Product Description:

The EA170-42100 is a versatile control switch suited for enhancing automation and safety in industrial environments. It functions by detecting and responding to the mechanical movement of equipment components, helping to regulate operations and maintain predefined process parameters. Designed to deliver consistent performance, the switch ensures smooth and reliable interaction between mechanical motion and electrical signaling. The design of this switch model is a NEMA form 'Z' contact arrangement. This design consists of a double-break, single-pole and double-throw (SPDT) contact setup. This arrangement ensures that when one contact is open, the other is closed, providing instantaneous and reliable switching between two circuits.

This control switch supports connections for up to nine conductors, allowing for greater wiring flexibility in complex control circuits. This extensive capacity enables the integration of multiple input and output lines within a single device, simplifying electrical layouts and reducing the need for additional switching components. The switch is suited for standard mounting with a reverse shaft configuration, allowing for flexible integration into different control systems. The reverse shaft setup repositions the actuation mechanism to accommodate alternative layouts, offering users more flexibility during equipment design or retrofitting.

The EA170-42100 control switch has a continuous current rating of 20 amps at 120 VAC, enabling it to handle moderate to high power loads. It can deliver consistent operation in circuits that control motors, relays or other heavy electrical components. The switch comes in a lightweight 4.5 lbs build that offers a balance between structural durability and manageable size. This moderate weight allows for stable mounting in industrial setups without placing excessive strain on panels. This unit is built with a dust-tight, water-tight, and oil-tight enclosure, ensuring superior protection in different industrial settings.

AC Current Rating
20 A @120 VAC;15 A @250 VAC;10 A @480 VAC;5 A @600 VAC
Contact Arrangement
2 NO, 2 NC contacts in NEMA Form Z
Contact Material
Silver alloy butt contacts
DC Current Rating
5 A @ 125 VDC; 1.5 A @ 250 VDC
Durability
Robust industrial-grade construction
Enclosure Rating
Dust-, water-, oil-tight to NEMA 1,4,13
Housing Material
Zinc-aluminum
Lever Adjustment
7°30' steps (up to 360° rotation)
Max Travel Angle
37°
Mounting Configuration
Standard mount; reverse shaft option
Operating Temperature
0°C to 90°C (short-term to 175°C)
Power Factor
75–100%
Pre-travel Angle
~10° (6.5° variant)
Weight
~3.5 lb (EA170-302); ~4.5 lb (EA170-402)
Wiring Space
Accommodates up to 9 conductors

Frequently Asked Questions about EA170-42100:

Q: What contact arrangement does the EA170-42100 control switch feature?

A: The EA170-42100 control switch features a NEMA form 'Z' contact arrangement, which provides dependable switching between two circuits.

Q: What type of housing does the EA170-42100 control switch have?

A: The EA170-42100 control switch is built with a zinc/aluminum housing, offering durability and resistance to corrosion.

Q: What is the weight of the EA170-42100 control switch?

A: The EA170-42100 control switch weighs 4.5 lbs, making it sturdy and stable once mounted.

Q: What environmental protections does the EA170-42100 control switch offer?

A: The EA170-42100 control switch comes with a dust-tight, water-tight, and oil-tight enclosure.

Q: How many conductors can the EA170-42100 control switch support?

A: The EA170-42100 control switch supports up to nine conductors. This allows for more complex wiring configurations, offering flexibility in advanced control systems.


Internal Product Review

  • ‘‘The EA170-42100 control switch offers a reliable and straightforward solution for position sensing in complex control systems. However, its 4.5 lb weight may require reinforced mounting in more compact setups.’’

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