Global Line of Premium Compact Low Voltage Switchgear
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L OW VO LTAG E DISCONNECT SWITCHES

Your problem: You need a range of disconnect switches for your industrial control requirements ranging from main entrance to motor isolation. You need DIN-rail and direct mountable disconnect switches that conform to today's “finger-safe” IEC standards. You need a range of handles, shafts and accessories to select from. Our solution: Mersen offers an extensive line of compact IEC fusible and non-fusible disconnect switches ranging from 16A to 4000A. We also offer a full range of compact UL 508 and UL 98 disconnect switches. In addition, you can find handle, shaft and accessory options that...

Mersen’s line of premium low voltage switchgear The safest way to switch power on and off in your industrial control panels You need a range of disconnect switches for your industrial control requirements ranging from “Service Entrance Rated” to motor isolation. You need IEC DIN-rail and direct mountable disconnect switches. You need switches that conform to UL 508 and UL 98. You need a range of handles, shafts and accessories to select from. Mersen Electrical Power has now the broadest range of switches in the industry, with a full line of accessories to accommodate virtually any...

IEC Non-Fusible Disconnect Switches IEC UL Modular Non-Fused (M163 - M125E3) The M-series Load Break Switch is the most compact industrial-grade switch on the market. Capable of making or breaking loads up to 690V (IEC), 600V (UL), it is suitable as a motor disconnect. Extremely compact and robust, these switches are modular but also exist in a door-mounting version. A wide assortment of handles, shafts and accessories are available to accommodate any installation requirement. Applications: • Line of sight disconnect • Electrical isolation • Branch-circuit switch • Motor disconnect...

Switch Body Ampere Rating Handles and Shafts Direct Front Operation Locking Handle Neutral Poles Limited to one additional pole per switch NP40 NP40 NP40 NP80 NP80 NP125 NP125 Terminal Shrouds Auxiliary Contacts Mersen • Low Voltage Disconnect Switches 5

Ampere Rating Switch BodyDirect Front Operation Locking Handle HD250 HD250 HD400 HD400 HD800 HD800 External Front Operation Pistol Style NEMA 1, 3R, 12 NEMA 4, 4X Pistol Type, right side operation Shaft— Lengths 210, 290, 360, 430 Ex. SPA210 Shaft— Lengths 280, 325, 395 Ex. SFB325 B = Black. Substitute "R" for "B" if red handle is desired. Ex. HR80. Accessories Neutral Poles NP250 NP250 NP400 NP400 NP800 NP800 Terminal Shrouds Kit for 3 poles TS250-13 TS250-13 TS400-13 TS400-13 TS800-13 TS800-13 Shorter terminal shrouds versions are also...

Ampere Rating Switch BodyDirect Front Operation Locking HandleHD1000 HD1000 HD1000 HD1000 HD1000 HD1000 HD1000Handles and Shafts External Front Operation Pistol Style NEMA 1, 3R, 12 HB274 Shaft— Lengths: 280, sfb B=Black. Substitute ‘R’ for ‘B’ if a red handle is desired. Ex. HR274 Neutral Poles Mersen • Low Voltage Disconnect Switches 7

Technical data according to IEC 60947-3 General purpose amp rating pf= 0.7...0.8 -40° to 40 °C A 16 25 40 63 80 100 125 Rated insulation voltage and rated operational voltage AC20/DC20 Pollution degree 3 V 750 750 750 750 750 750 750 1) Below 48 V, two poles In parallel up to M80 are recommended particularly In polluted atmosphere. 2) Acc. to IEC 60947-1, § 6.1.1. 8 Mersen • Low Voltage Disconnect Switches

Technical data according to IEC 60947-3 General purpose amp rating pf= 0.7...0.8 Rated insulation voltage and rated 1) Further ratings on request. 2) Category B. 3) These values are given for guidance and may vary acc. to the motor manufacturer. 4) Acc. to IEC 60947-1, § 6.1.1. Mersen • Low Voltage Disconnect Switches 9

Technical data according to IEC 60947-3 General purpose amp rating pf= 0.7...0.8 Rated insulation voltage and rated 1) Extended phase distance (185 mm). 2) IEC 947-3, utilization category B, infrequent operation. 3) Phase barriers or terminal shrouds must be used on both sides of the switch at voltages > 500 V. 10 Mersen • Low Voltage Disconnect Switches

Technical data according to IEC 60947-3 General purpose amp rating pf= 0.7...0.8 -40° to 40 °C Dielectric strength Rated impulse withstand voltage Rated thermal current in ambient 35°C and temporarily 40°C ..with minimum conductor cross section Rated operational Voltage AC20B, DC20B 1,000 Rated operational current, AC-21B Rated operational current, AC-22B Rated operational current, AC-23A Rated short-time withstand current Rated short circuit making capacity Max. distance from switch frame to nearest busbar/cable support Power loss / pole With rated current W Mechanical endurance Divide...

Description Ref # IEC Non-Fused switches, side-operated Cat # Description Ref # 12 Mersen • Low Voltage Disconnect Switches

Shafts Other Accessories Cat # Description Ref # SA85 Shaft selector handle 6x6x85mm J1043426 Terminal Shrouds Cat # Description Ref # Auxiliary Contact NC Right Auxiliary Contact NO left Aux. Contact NO+NC Switch 125A Fourth pole for M60 NF switches Fourth pole for M80 NF switches Fourth pole for M125 switches Neutral pole for M40 NF switches Neutral pole for M80 NF switches Neutral pole for M125 switches Auxiliary Contact NO Right Auxiliary Contact NC left Aux. Contact NO+NC Switch 125A Aux.Contact NC Switch160-2500A Aux.Contact 1+1 SF 40A Mounting plate...

IEC Non-Fusible Disconnect Switches M163, M253, M403, Front operated 14 Mersen • Low Voltage Disconnect Switches

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IEC Fusible Disconnect Switches IEC Fusible Disconnect Switches Mersen’s fusible disconnect switches are listed to UL 98 and bear the CE mark as conformance to IEC 60947-3. They are “service entrance” devices capable of fully rated load-break and load-make. While long-term safety, reliability, and functionality are always paramount in the design of our products, these switches are also engineered to have the smallest footprint. The modular design allows placement of the handle anywhere amongst the poles. The fuse doors cannot open when the switch is in the “ON” position, and all switches...