ESN Type 8901 Potential Protection Unit with SIEMENS Low Voltage Limiter and Surge Arrester

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ESN Type 8901 Potential Protection Unit with SIEMENS Low Voltage Limiter and Surge Arrester

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Brand:

ESN

Product Code:

Type 8901

Order Processing & Delivery Information:
As we supply industrial equipment, product availability and delivery timelines may vary. Once your order is placed, our sales team will contact you within 24 business hours (excluding weekends and holidays) to confirm stock status and estimated delivery time.

Product Documentation/Technical Datasheet

esn-type-8901-potential-protection-unit-with-siemens-low-voltage-limiter-and-surge-arrester-1579.pdf

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Details:

Artikel: 240140

There are special problems with railways operating with DC power concerning contact and anti-corrosion protection and overvoltage protection (e.g. lightning).

Technical data
Dimensions	WxHxD see figure
Housing	Polyester / Makrolon
	HxWxD: 302x186x181mm
Attachment	Wall fastening brackets
	Mast attachment (as accessory,
	Part No. 240110)
Type of protection	IP 55
Ambient temperature	-20°C to +70°C
Low-Voltage-Limiter	type 8WL6503 (SIEMENS)
Trigger value	120V (bidirectional)
Shock loading	? 60kA (8/20 ?s standard puls)
Resistance to short-	? 5 kA for max. 250ms
circuits
Current sensor	type 8546
Trigger value	? 15 A (polarity-independent)
Supply voltage	DC 24 V (18 - 30VDC)
Load-Output	1 electronic output
	voltage: 24VDC
	load current: max. 200mA
	output will be clamped until reset
Function display	two light emitting diodes (LED‘s)
	green LED: power on
	orange LED: switched on
Reset Input	24VDC, reset output
Connections
Supply voltage	? 1,5 mm2
Load-Output	? 1,5 mm2
Reset Input	? 1,5 mm2
Earthing potentials	Threaded bolt M16
Ordering information
Type	Part No.
type 8901,	240140
with low voltage limiter,
surge arrester and
current sensor