Harmony 22mm Metal Push Buttons Page 24 References

24 Emergency stop function: Mushroom head Emergency stop trigger action and mechanical latching pushbuttons conform to standards EN/IEC 60204-1 and EN/ISO 13850, to Machinery Directive 2006/42/EC and to standard EN/IEC 60947-5-5. Emergency switching off function: Mushroom head switching off mechanical latching pushbuttons conform to standards IEC 60364-5-53 and EN/IEC 60947-5-5. Please consult our Customer Care Centre for a full explanation of these standards and directives. Emergency stop and switching off pushbuttons with trigger action and mechanical latching (1) (2) Screw clamp terminal connections (Schneider Electric anti-loosening system) Shape of head Type of reset Type of contact Push Reference Weight kg/ lb mm/ in . Color N/O N/C Complete units Push-pull 1 40/ 1.575 Red XB4BT842 (ZB4BZ105 + ZB4BT84) 0.125/ 0.276 1 1 40/ 1.575 Red XB4BT845 (ZB4BZ105 + ZB4BT84) 0.136/ 0.300 Turn to release 1 40/ 1.575 Red XB4BS8442 (ZB4BZ102 + ZB4BS844) 0.118/ 0.260 1 1 40/ 1.575 Red XB4BS8445 (ZB4BZ105 + ZB4BS844) 0.130/ 0.287 2 40/ 1.575 Red XB4BS8444 (ZB4BZ104 + ZB4BS844) 0.130/ 0.287 1 2 40/ 1.575 Red XB4BS84441 (ZB4BZ141 + ZB4BS844) 0.140/ 0.309 Key release (keyn 455) (3) 1 1 40/ 1.575 Red XB4BS9445 (ZB4BZ105 + ZB4BS944) 0.170/ 0.375 Heads only Shape of head Type of reset Push Reference Weight mm /in. Color kg/ lb Push-pull 30/ 1.181 Red ZB4BT844 0.078/ 0.172 40/ 1.575 Red ZB4BT84 0.078/ 0.172 60/ 2.362 Red ZB4BX84 0.098/ 0.216 Turn to release 30/ 1.181 Red ZB4BS834 0.068/ 0.150 40/ 1.575 Red ZB4BS844 0.073/ 0.161 60/ 2.362 Red ZB4BS864 0.093/ 0.205 Keyrelease(keyn 455) 2 keys included with head (5) (3) 30/ 1.181 Red ZB4BS934 0.094/ 0.207 40/ 1.575 Red ZB4BS944 (4) 0.098/ 0.216 60/ 2.362 Red ZB4BS964 0.118/ 0.260 Illuminated Emergency switching off function only, mechanical latching pushbuttons (1) Screw clamp terminal connections (Schneider Electric anti-loosening system) Shape of head Type of reset Push Reference Weight kg/ lb mm/ in . Color Heads only (6) Push-pull 40/ 1.575 Red ZB4BW643 0.051/ 0.112 (1) Recommended maximum number of contacts constituting the body (fixing collar + contact) associated with the head, see page 12. (2) It is recommended that a legend or Yellow background is used. (3) The symbol indicates key withdrawal position(s). (4) Other key numbers: -keyn 421E:addsuffix 12 to the reference. -keyn 458A:addsuffix 10 to the reference. -keyn 520E:addsuffix 14 to the reference. -keyn 3131A:addsuffix 20 to the reference. -keyn 4A185:addsuffix D to the reference. Example: To order a 40 mm / 1.575 in. Red mushroom head for a trigger action and mechanical latching Emergency stop pushbutton,withreleasebykeyn 421E,thereferencebecomes: ZB4BS94412 . (5) For specific keys with other numbers, please consult our Customer Care Centre. (6) Only for use with bodies comprising a light source with integral LED. Control and signaling units 22 Harmony XB4, metal Emergency stop and Emergency switching off functions Conforming to EN/IEC 60204-1, 60364-5-53, EN/ISO 13850 and Machinery Directive 2006/42/EC Assembly of other products using: body/contact assemblies: see page 38 accessories: see pages 57 and 58 References PF512504 XB4BT845 PF512505 XB4BS9445 General: page 4 ZB4BT844 PF512506 ZB4BS834 PF512507 ZB4BS964 PF512508 1 2 3 4 5 6 7 8 9 10

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