EA170 Series | Heavy Duty Limit Switch

Heavy Duty
EA170 Series Limit Switch

The EA170 Series is a heavy duty limit switch featuring two normally open and two normally closed circuits. This double pole, double throw limit switch is engineered with Rocker Type SNAP-LOCK Technology in a die-cast zinc housing for corrosion resistance. This series is available in standard, wide or long mounting. The EA170 Series can be ordered as standard travel (mechanical travel 10º to trip), short travel (mechanical travel 10º or 6¹/₂º required to trip) or reverse shaft (mechanical travel 10º to trip).

GENERAL DATASHEET

EA170 SERIES PART NUMBERS

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by [Limit Switch Shopify] Contact Material
by [Limit Switch Shopify] Actuation Method
- Lever
- Rod
by [Limit Switch Shopify] Shaft Position
- Front Shaft
- Reverse Shaft

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27 products

1 2

Limit Switch, Double Pole

EA170-31100

Limit Switch, Standard Environment, Standard Travel, Wide Mount, DPDT, CW, NEMA 1,4,13

(?)
Limit Switch, Double Pole

EA170-23100

Limit Switch, Standard Environment, Standard Travel, Long Mount, DPDT, Maintain, NEMA 1,4,13

(?)
Limit Switch, Double Pole

EA170-22100

Limit Switch, Standard Environment, Standard Travel, Long Mount, DPDT, CCW, NEMA 1,4,13

(?)
Limit Switch, Double Pole

EA170-21100

Limit Switch, Standard Environment, Standard Travel, Long Mount, DPDT, CW, NEMA 1,4,13

(?)
Limit Switch, Double Pole

EA170-13100

Limit Switch, Standard Environment, Standard Travel, Standard Mount, DPDT, Maintain, NEMA 1,4,13

(?)
Limit Switch, Double Pole

EA170-12100

Limit Switch, Standard Environment, Standard Travel, Standard Mount, DPDT, CCW, NEMA 1,4,13

(?)
Limit Switch, Double Pole

EA170-11100

Limit Switch, Standard Environment, Standard Travel, Standard Mount, DPDT, CW, NEMA 1,4,13

(?)

27 products

1 2

How to Select A Lever for Your Limit Switch

Operating levers link your NAMCO limit switch and the moving part of your application. Users must select levers separate from limit switches. It is important to choose an operating lever to suit the needs of your application. The video below provides a quick overview on selecting a lever and a highlight of NAMCO lever options.

Choose Lever by Type:

Knee Action Straight Type (Style KR)

Knee Action Offset Type (Style KRO)

Manual Levers

Adjustable Straight

Adjustable Offset

Belt Misalignment Levers (Style VR and Style YR)

Rod Levers

Technical Data

Double Pole Double Throw (DPDT)
Rocker Type SNAP-LOCK Technology
Two normally open and two normally closed, NEMA for “Z” contact arrangement
Meets NEMA 1,4 & 13 requirements. Enclosure is watertight, oil & dust tight
Contacts are made of silver alloy. Contact shifting mechanism is locked in position by the latches until switch lever is actuated.
Temperature Range: -20º C to +90º C
Operating lever is adjustable by 7º30' increments
167º for Standard | 173º for Short Travel | 360º for Reverse Shaft
Wiring space is ample for up to size 12 wire with easily accessible terminal screws
Many different options available including: precious metal contacts; high temperature (0º C to 150º C) components and lubricants; low temperature (-40º C to 90º C) components and lubricants; NEMA 4X Enclosure; and geothermal environment requirement.
Weight: Approx. 3.5 lbs
For Ordering Information, see EA170 Series Specification Sheet.
Please note, operating levers are sold separately.

Interested in the EA170 Series? Contact us today!

GENERAL DATASHEET

EA170 SERIES PART NUMBERS

Filter products

by [Limit Switch Shopify] Contact Material

by [Limit Switch Shopify] Actuation Method

by [Limit Switch Shopify] Shaft Position

Limit Switch, Double Pole

EA170-31100

Limit Switch, Standard Environment, Standard Travel, Wide Mount, DPDT, CW, NEMA 1,4,13

(?)

Limit Switch, Double Pole

EA170-23100

Limit Switch, Standard Environment, Standard Travel, Long Mount, DPDT, Maintain, NEMA 1,4,13

(?)

Limit Switch, Double Pole

EA170-22100

Limit Switch, Standard Environment, Standard Travel, Long Mount, DPDT, CCW, NEMA 1,4,13

(?)

Limit Switch, Double Pole

EA170-21100

Limit Switch, Standard Environment, Standard Travel, Long Mount, DPDT, CW, NEMA 1,4,13

(?)

Limit Switch, Double Pole

EA170-13100

Limit Switch, Standard Environment, Standard Travel, Standard Mount, DPDT, Maintain, NEMA 1,4,13

(?)

Limit Switch, Double Pole

EA170-12100

Limit Switch, Standard Environment, Standard Travel, Standard Mount, DPDT, CCW, NEMA 1,4,13

(?)

Limit Switch, Double Pole

EA170-11100

Limit Switch, Standard Environment, Standard Travel, Standard Mount, DPDT, CW, NEMA 1,4,13

(?)

How to Select A Lever for Your Limit Switch

Choose Lever by Type:

We can help you find the right solution

Consult our experts today!

GENERAL DATASHEET

EA170 SERIES PART NUMBERS

Filter products

by [Limit Switch Shopify] Contact Material

by [Limit Switch Shopify] Actuation Method

by [Limit Switch Shopify] Shaft Position

Limit Switch, Standard Environment, Standard Travel, Wide Mount, DPDT, CW, NEMA 1,4,13 (?)

Limit Switch, Standard Environment, Standard Travel, Long Mount, DPDT, Maintain, NEMA 1,4,13 (?)

Limit Switch, Standard Environment, Standard Travel, Long Mount, DPDT, CCW, NEMA 1,4,13 (?)

Limit Switch, Standard Environment, Standard Travel, Long Mount, DPDT, CW, NEMA 1,4,13 (?)

Limit Switch, Standard Environment, Standard Travel, Standard Mount, DPDT, Maintain, NEMA 1,4,13 (?)

Limit Switch, Standard Environment, Standard Travel, Standard Mount, DPDT, CCW, NEMA 1,4,13 (?)

Limit Switch, Standard Environment, Standard Travel, Standard Mount, DPDT, CW, NEMA 1,4,13 (?)

How to Select A Lever for Your Limit Switch

Choose Lever by Type:

We can help you find the right solution

Consult our experts today!

Limit Switch, Standard Environment, Standard Travel, Wide Mount, DPDT, CW, NEMA 1,4,13

(?)

Limit Switch, Standard Environment, Standard Travel, Long Mount, DPDT, Maintain, NEMA 1,4,13

(?)

Limit Switch, Standard Environment, Standard Travel, Long Mount, DPDT, CCW, NEMA 1,4,13

(?)

Limit Switch, Standard Environment, Standard Travel, Long Mount, DPDT, CW, NEMA 1,4,13

(?)

Limit Switch, Standard Environment, Standard Travel, Standard Mount, DPDT, Maintain, NEMA 1,4,13

(?)

Limit Switch, Standard Environment, Standard Travel, Standard Mount, DPDT, CCW, NEMA 1,4,13

(?)

Limit Switch, Standard Environment, Standard Travel, Standard Mount, DPDT, CW, NEMA 1,4,13

(?)