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FF01 Series Low Profile E-STOP Switches

www.nkkswitches.eu

Instructions for AT220 Protective Guard

The product conforms to SEMI S2 / ISO13850.

Please read the instructions carefully to ensure correct product use.

Safety Precautions

• The protective guard is made exclusively for use with NKK’s FF01 Series and should not be used with other types of products.

• Read the FF01 Series Instruction Manual before switch installation, cable connection, operation, maintenance or inspection.

• Confirm power is off before installation, cable connection, maintenance, etc.

• When installing product on other equipment, be sure usage is in compliance with standards and regulations of your country or region, as

required for your system, equipment or facility.

Installation to Panel

(1) Remove the nut from the switch body.

(2) Insert the switch body into the protective guard from the front of the guard,

aligning notch on the O-ring with the anti-rotation tab on the switch body. Align

the anti-rotation tab on the switch body with the keyway on the guard.

(3) Align the anti-rotation tab on the back of the guard with the anti-rotation keyway

on the panel.

(4) Using the AT119 Fixing Nut Wrench, tighten the nut from the back of the panel

(recommended torque 785mN

•m).

Installation Height

The switch must be installed within 3 meters from the working position. (SEMI S2)

To install the switch with the protective guard onto semiconductor manufacturing

equipment, the mounting height range should be 838 mm to 1,638 mm. The

horizontal reach (maximum) should be between 178 mm and 254 mm. (SEMI S8)

Horizontal

reach

Installation

Height

Front end of

equipment

Anti-rotation Keyway

on Protective Guard

Anti-rotation

Tab on Protective

Guard

Anti-rotation

Keyway on Panel

Notch on

O-ring

Anti-rotation Tab

on Switch Body

Installation Height

1638 mm (64.5 in.)

1524 mm (60.0 in.)

1422 mm (56.0 in.)

1321 mm (52.0 in.)

1219 mm (48.0 in.)

1118 mm (44.0 in.)

1016 mm (40.0 in.)

914 mm (36.0 in.)

838 mm (33.0 in.)

Horizontal reach (max.)

254 mm (10.0 in.)

368 mm (14.5 in.)

432 mm (17.0 in.)

470 mm (18.5 in.)

483 mm (19.0 in.)

470 mm (18.5 in.)

394 mm (15.5 in.)

292 mm (11.5 in.)

178 mm ( 7.0 in.)

* To be in compliance with the SEMI standard, it is necessary that EMO (Emergency Off) is printed on the switch or on the inside of the guard.

* To confirm that the switch and protective guard mounted on a device are ISO compliant, see requirements of ISO13850.

To install the switch with the protective guard on equipment such as machine tools or processing equipment, the recommended height range is

between 600 mm and 1,700 mm from the floor or platform level (ISO13850). 

(SEMI S8)