Industrial Electric Mfg. (IEM)
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- IEM - Model UL 891 - Low Voltage ...
IEM - Model UL 891 -Low Voltage Switchboards
IEM Switchboards can be custom designed or utilize a standard configuration to meet specific dimensional and electrical requirements. They can include fully integrated component options from leading manufacturers, including automatic transfer switches, TVSS, distribution transformers, and PLC or relay-based transfer schemes. Circuit breakers and fusible switches can be grouped or individually mounted. Indoor and outdoor electrical switchboard enclosures are available in a wide range of durable color finishes.
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- Voltage: Up to 600Vac, up to 250Vdc maximum
- Ampacity: 400A to 12000A maximum bus rating
- 65 kAIC standard bus bracing (100 or 200kAIC – optional)
- Switchboard ratings through 12000A, 200kAIC up to 480V, 100kAIC up to 600V
- Type 1 or 3R NEMA enclosures
- Paint ANSI 61 – standard, other colors available as option
- Front, rear, and side accessibility
- Devices can be individually (vertically) or group (panel/horizontally) mounted
- Custom sheet metal and bus flexibility for busway and transformer connections
- Extensive protective device accessories available
- Silver-plated copper bus, tin-plated aluminum bus or optional tin plated or bare copper
- 1000A per sq. in. fully rated copper bus systems
- 750A per sq. in. fully rated aluminum bus systems
- Tested to short circuit rating of 3 cycles (.05 seconds) or to immediate trip of tested OCPD or braced to UL configuration standards
- Rigid frame construction isolating bus and breaker assemblies from electric switchboard enclosure
- Metering compartments built to applicable Utility’s standards
- Variety of fully integrated component options available including automatic transfer switches, SPD, distribution transformers, and PLC or relay-based transfer schemes, automation, metering and monitoring
- Switchboard fed by cables, cable bus, bus duct, or transformer
- Thermal-magnetic, electronic fixed mounted circuit breaker mains and feeders,
- Group mounted, fix-mounted fusible switch mains and feeders or combination of fixed mounted breakers and fusible switches
- Thermal magnetic, electronic circuit breakers with standard, high kAIC or current limiting capability, 80% or 100% rated
- All commercially available UL Listed options on low voltage circuit breakers and fusible switches
- Features & Benefits IEM Switchboards meet or exceed applicable industry standards, including UL891, CSA, NEMA standards PB-2, NEMA 1 and NEMA 3R enclosures. Uses UL489 or UL1066 listed breakers
- IEM Switchboards meet seismic testing, circuit requirements as outlined by IEEE344 and ICC-ES-AC156.