Electrical Relays and Accessories

Showing 1 - 48 of 100 Items
  • Littelfuse
Littelfuse
MFR: Littelfuse
MFR #: KSDB314SP
UPC: 079458995565
Item #: 150727
$224.70 each
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Littelfuse
MFR: Littelfuse
MFR #: SE-105
UPC: 079458188233
Item #: 454484
Available to Order
$5403.53 each
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Littelfuse
MFR: Littelfuse
MFR #: SE-TA6A
UPC: 079458989540
Item #: 531235
Available to Order
$1892.70 each
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Littelfuse
MFR: Littelfuse
MFR #: ER-600VC
UPC: 079458977950
Item #: 450698
Available to Order
$1632.08 each
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Littelfuse
MFR: Littelfuse
MFR #: MPU-CIM-00-00
UPC: 079458978247
Item #: 942988
Available to Order
$2548.90 each
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$6240.93 each
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Available to Order
$3372.58 each
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$10666.93 each
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Littelfuse
The SE-330AU is an advanced earth-fault and earthing-resistor monitoring relay for low- and medium-voltage transformers and generators. It monitors neutral current, neutral-to-earth voltage, and neutral-to-earth resistance. It provides continuous monitoring of the neutral-to-earth path to verify that the neutral-earthing resistor (NER) is intact. This is of utmost importance;an open NER renders current-sensing earth-fault protection inoperative and could result in a false belief that the system is functioning properly. The SE-330AU earth-fault function complies with AS/NZS 2081.3:2002. For non-AS/NZS 2081 applications, see the SE-330 or SE-330HV. The SE-330AU New Revision provides these additional features: 100 trip records with date and time stamp, A mini-USB interface to view measured values, configure settings and check event records using SE-MON330 v3.2 or later, An on-board microSD card (included) can be used for long term data logging and firmware upgrades, Earth-fault trip level is adjustable from 0.125 to 5A (EFCT) or 0.75 to 30A (CS30). When set to MEM, the earth-fault trip level is adjustable from 2 to 100% in 1% increments of the CT-primary rating. SE-MON330 V3.2 or later is required. Dual Ethernet ports are optionally available with support for fiber and RJ45 interfaces. Connect the SE-330AU to the network using a standard Ethernet patch cable. Use of a crossover cable to connect the SE-330AU directly to the computer running IP-Config is not recommended. A typical router will assign an IP address to all connected computers that are using DHCP. The SE-330AU does not support the use of DHCP. If the SE-330AU is being set-up for first time, it is recommended to only have one SE-330AU connected to the network to prevent communication errors.
MFR: Littelfuse
MFR #: SE-330AU-03-00
UPC: 079458988673
Item #: 966698
Available to Order
$21764.55 each
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$1827.88 each
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Littelfuse
MFR: Littelfuse
MFR #: SE-TA12A
UPC: 079458989489
Item #: 482948
Available to Order
$1892.70 each
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$5271.68 each
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Littelfuse
MFR: Littelfuse
MFR #: ER-25KV
UPC: 079458977912
Item #: 1180017
Available to Order
$23139.93 each
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Littelfuse
MFR: Littelfuse
MFR #: PMA-8
UPC: 079458978421
Item #: 1008517
Available to Order
$1641.68 each
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$1693.50 each
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Available to Order
$1703.40 each
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$2648.65 each
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Littelfuse
MFR: Littelfuse
MFR #: PMA-55
UPC: 079458978384
Item #: 993346
Available to Order
$464.80 each
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Littelfuse
MFR: Littelfuse
MFR #: CT200L
UPC: 079458977677
Item #: 1229187
Available to Order
$718.90 each
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Littelfuse
MFR: Littelfuse
MFR #: SE-GRM125
UPC: 079458989342
Item #: 796805
Available to Order
$1535.43 each
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$1658.45 each
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Littelfuse
MFR: Littelfuse
MFR #: PMA-14
UPC: 079458978315
Item #: 770491
Available to Order
$1413.90 each
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Littelfuse
MFR: Littelfuse
MFR #: SE-TA6A-WL
UPC: 079458989557
Item #: 656337
Available to Order
$2172.15 each
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Littelfuse
MFR: Littelfuse
MFR #: ER-15KV
UPC: 079458977905
Item #: 501382
Available to Order
$9320.65 each
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Littelfuse
MFR: Littelfuse
MFR #: 231-INSIDER-P
UPC: 079458990300
Item #: 1193651
Available to Order
$719.68 each
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