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1 Moeller Wiring Manual / Page Overview - ON-OFF Switches, main switches, maintenance switches - Changeover switches, reversing switches - (Reversing) star-delta switches - Multi-speed switches - Interlock circuits - Meter selector switches - Meter selector switches - Heater switches - Step switches - Rotary switches and switch-disconnectors with ATEX approval - For Immediate Delivery call KMParts.com at () - -

2 Overview Moeller Wiring Manual / Use and mounting forms Moeller rotary switches and switch-disconnectors are used as: a Main switches, main switches used as Emergency-Stop devices, b ON-OFF switches, c Safety switches, d Changeover switches, e Reversing switches, star-delta switches, multi-speed switches, f Step switches, control switches, coding switches, meter selector switches. The following mounting forms are available: g Flush mounting, h Centre mounting, i Surface mounting, j Service distribution board mounting, k Rear mounting. Refer to the latest issue of our Main Catalogue for Industrial Switchgear. Other contact arrangements are listed in the K specialist catalog in addition to the switches listed in the Main Catalogue. Basic P I u Use as Mounting type type [KW] [A] a b c d e f g h i j k TM. x x x k k k T. x x x x x + k k k + T x x x x + k k k + Tb x x x x x + k + T x x x + k + T x x + + T ) x x + + P- x x x + k + k + P- x x x + k + k + P- x x x + + k + P- x x x + + k + P- x x + + P- x x + + P- x x + + P- x x + + P = Max. motor rating; / V; AC- A I u = Max. rated uninterrupted current ) In enclosed version (surface mounting), max. A. kdepending on the number of contact units, function and contact sequence. + Irrespective of the number of contact units, function and contact sequence. For -Immediate Delivery call KMParts.com at () -

3 Moeller Wiring Manual / Rotary Switches ON-OFF Switches, Main Switches, Maintenance Switches ON-OFF switches, main switches T-- P- P- P- P- P- P- P- P- OFF ON L L L FS Maintenance switches (safety switches) with auxiliary contacts T-- These switches can also be used as switch-disconnectors for lighting, heating or combined loads. Main switches to IEC/EN for rear mounting switches with door interlock, padlocking feature, finger-proof incoming terminals, N and PE terminal, red thumb-grip handle (black, if required), warning label. If it is not clear which drive is associated with which main switch, an additional maintenance switch is required close to each drive. OFF ON FS P-/.../ P-/.../ P-/.../ P-/.../...N/NHI OFF ON L L L N L L L N FS ) Load shedding contact N N N N ) ) Maintenance switches are fitted to electrical machines or installations to provide safe working conditions in accordance with the safety regulations. By attaching his own padlock to the SVB padlocking feature, the electrician can protect himself against anyone switching on without authorization (a section Circuit diagram example for maintenance switches with a load shedding contact and (or) switch position indicator, page -). For Immediate Delivery call KMParts.com at () - -

4 Moeller Wiring Manual / Rotary Switches ON-OFF Switches, Main Switches, Maintenance Switches Circuit diagram example for maintenance switches with a load shedding contact and (or) switch position indicator L L L N Q Q F F U V W F F O I T()-- maintenance switch Q Function Load shedding: When switching on, the main current contacts close first, then the contactor is activated via the late-make N/O contact. When switching off, the contactor is first disconnected by opening of the early-break contact, then the main contacts isolate the motor supply. Switch position indication: The position of the switch can be signalled to the control panel or mimic diagram panel via additional NO and NC contacts. M P P Q A A P: On P: Off Q: Load shedding T()-- circuit diagram -,-,- -,- - For -Immediate Delivery call KMParts.com at () -

5 Changeover Switches, Reversing Switches Moeller Wiring Manual / Changeover switches T-- T-- TB-- T-- T-- T-- FS L L L Reversing switches T-- T-- TB-- T-- FS L L L For Immediate Delivery call KMParts.com at () - -

6 (Reversing) Star-Delta Switches Moeller Wiring Manual / Star-delta switches T-- T-- Y FS TB-- T-- L L L W U W U YΔ V V Reversing star-delta switches T-- T-- Y Y FS W W V LLL U U V SOND ) Y Y ) Standard contactor interlock a section Interlock Circuits, page - For -Immediate Delivery call KMParts.com at () -

7 Multi-Speed Switches Moeller Wiring Manual / speeds, non-reversing Tapped winding arrangement T-- T-- TB-- T-- FS LLL U W V U W V a without links separate windings T-- T-- TB-- T-- FS LLL U U W V W V For Immediate Delivery call KMParts.com at () - -

8 Multi-Speed Switches Moeller Wiring Manual / speeds, reversing Tapped winding arrangement T-- T-- FS TB-- T-- FS LL L U W V U W V separate windings, reversing T-- T-- FS U W V LLL U W V For -Immediate Delivery call KMParts.com at () -

9 Multi-Speed Switches Moeller Wiring Manual / speeds, non-reversing Tapped winding arrangement, single winding for low speed T-- T-- TB-- T-- FS L L L U W U V U W V W V A -(A)y- (B)d = (B)y y B For Immediate Delivery call KMParts.com at () - -

10 Multi-Speed Switches Moeller Wiring Manual / speeds, non-reversing Tapped winding arrangement, single winding for high speed T-- T-- FS TB-- T-- FS L L L U W U V U W V W V A -(B)d- (B)y y -(A)y B For -Immediate Delivery call KMParts.com at () -

11 Interlock Circuits Interlock circuits between rotary switches and contactors with overload relays provide neat and economical solutions for many switching drive tasks.the following points are common to all interlock circuits: Without mains disconnection (SOND ) Mains disconnection only by contactorprimarily for star-delta circuit Moeller Wiring Manual / Protection against automatic restarting after a motor overload or power failure The facility for remote disconnection (e.g. emergency-stop) can be provided by one or more Off pushbuttons. With mains disconnection (SOND ) Mains disconnection by contactor and switch Q F F S Q Q Q Control section SOND Power section without mains disconnection Q F F S Q Q Q Control section SOND Power section without mains disconnection Circuit as required Circuit as required M ~ M ~ Interlock with contactor (SOND ) Contactor can be energized only when switch is in the Off position Interlock with contactor (SOND ) Contactor can be energized only when switch is in an operating position Q F Q F F F S Q S Q Control section SOND Power section S S Q Q Control section SOND Power section Q Q Circuit as required Circuit as required M ~ M ~ For Immediate Delivery call KMParts.com at () - -

12 Single-Phase Starting Switches Meter selector switches enable you to measure currents, voltages and power in three-phase systems with only one measuring device. Voltmeter selector switches T-- x phase to phase x phase to neutral with position Moeller Wiring Manual / Numerous circuits are possible for the different measurements, some of the most common ones being shown below. T-- x phase to neutral without position L-L L-N L-L L-N L-L L-N FS LLL N V L-L L-L L-L L-N L-N L-N L-L L-L L-L FS V LLL L-L L-L L-L Ammeter selector switches T-- T-- For direct measurement L L L FS A LL L LLL LLL For -Immediate Delivery call KMParts.com at () -

13 Meter Selector Switches Moeller Wiring Manual / Ammeter selector switches T-- T-- For measurement via transformers, complete rotation possible L L L FS L L L A LLL Wattmeter selector switches T-- T-- Two-phase method (Aron circuit) for three-cable installations loaded as required. The sum of the two readings gives the total output. FS The Aron circuit will give a correct result for four-cable systems only when the sum of the currents equals zero, i.e. only when the four-cable system is balanced. L L L W For Immediate Delivery call KMParts.com at () - -

14 Heater Switches Moeller Wiring Manual / -pole disconnection, steps T-- T-- TB-- FS L LL I II III I II III T--, complete rotation possible + FS + q switched Q not switched Further heater switches, - and -pole, with alternative circuitry, output stages, and number of steps are described in the Moeller Main Catalogue, Industrial Switchgear and in the catalogue K. For -Immediate Delivery call KMParts.com at () -

15 Step Switches Moeller Wiring Manual / One step closed in each position, complete rotation possible T-- T-- FS For Immediate Delivery call KMParts.com at () - -

16 Step Switches Moeller Wiring Manual / Stay-put switches On-Off stay-put switches -pole: T-- -pole: T-- -pole: T-- FS Changeover switches -pole: T-- -pole: T-- -pole: T-- FS -pole: T-- -pole: T-- -pole: T-- HAND AUTO FS HAND AUTO On-Off stay-put switches (also usable as main switches, mains isolating device) -pole: T-- -pole: T-- -pole: T-- With pulsed contact in the intermediate position ON OFF FS For -Immediate Delivery call KMParts.com at () -

17 Moeller Wiring Manual / Rotary Switches Rotary Switches and Switch-Disconnectors with ATEX Approval What does ATEX stand for? ATmosphéres EXplosibles = ATEX Explosive atmospheres Gas Dust For operators: //EC (binding from /) Two standards For manufacturers: //EC (binding from /) Explosion risk assessment Gas, steam, mist Zone Zone Zone Dust Zone Zone Zone Ex risk continuous, frequent, long, occasional normally not, but otherwise for a short period Device groups Group I II Application field Mining everything apart from mining Selection of devices and protective systems by categories Gas, steam, mist Zone,, Zone, Zone Dust Zone,, Zone, Zone Category,,, Selection of devices by device groups Group I I II II II Category M M Safety very high high very high high normal For Immediate Delivery call KMParts.com at () - -

18 Moeller Wiring Manual / Rotary Switches Rotary Switches and Switch-Disconnectors with ATEX Approval ATEX approval for Moeller Moeller offers T rotary switches (from to A) and P switch-disconnectors (from to A) in accordance with the binding ATEX Directive / EC (binding from /). The switches are provided with the equipment marking Ex IID IPX T C and are approved for the Ex zone in explosive dust atmospheres. Explosive dust atmospheres are present in: Mills, Metal polishing workshops, Woodworking facilities, Cement industry, Aluminium industry, Animal feed industry, Grain storage and preparation, Agriculture, Pharmacy etc. The ATEX switches are used as: Main switches Maintenance switches Repair switches, ON-OFF switches or, General installation and application notes Only suitable cable glands may be used for category D! Use only temperature resistant cables (> C)! The maximum surface temperature is C! Operation only permissible at an ambient temperature between and + C! Observe the technical data of the switch used! Changeover switches. The following ATEX switches are available: Current range T rotary switches P switch-disconnectors A P-/I A T-.../I P-/I A TB-.../I P-/I A T-.../I P-/I Note Moeller ATEX switches have passed the EC prototype test for main, maintenance and repair switches for the current ranges from to A. They are approved for explosive dust atmospheres in accordance with category II D, with the test number: BVS E X. For further information see installation instructions AWA-. Never open the device in dust explosive atmospheres! Observe the requirements of EN --! It should be checked that the device is free of dust prior to assembly! Do not open the device when energized! For -Immediate Delivery call KMParts.com at () -