BWG-SHF

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BWX

BWG-SHF

Short-circuit-proof, “intrinsically safe” resistor with halogen-free connection cable and protective sheathing, as well as touch protection above the safe braking resistor module, protection class IP65*.

Spotlight

Rated power

240 Watt (600 with duty cycle ED = 35%, ϑA = 20°C) – with UL

Rated power

400 Watt (1.000 with duty cycle ED = 35%, ϑA = 20°C) – without UL

Resistance

5 | 10 | 14 | 18 | 27 | 33 | 47 | 72 | 80 | 100 | 150 | 200 | 220 | 300 ohm

Contact

Michael Koch GmbH
Phone: +49 7251 96 26-200
E-Mail: mail@bremsenergie.de

Technical specifications

DIMENSIONS

PULSE LOADING CAPACITY

CASE TEMPERATURE

DOWNLOADS

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Technical specifications

Parameter	Symbol	Value	Unit	Conditions
Tolerance (resistance)		± 5	%	roomtemperature
Temperature coefficient	TK	20 … 100	10^-6/K
Insulation resistance	R_ISO	≥ 100	MΩ	U_mess = 1,000 VDC
Inductance	L	≤ 30	µH	f = 300 kHz, U_mess = 50 mV
Capacity against enclosure	C	≤ 300	pF	f = 300 kHz, U_mess = 50 mV
Thermal time constant BWx600	𝜏	approx. 600	s
Thermal time constant BWx1000	𝜏	approx. 850	s
Weight	m	approx. 1,750	g
Certifications BWx600	cCSAus			Standard CSA-C22.2 und UL508
	cURus			Standard CSA-C22.2 and UL508
Energy absorption	Q	13	kJ	with 1.2 s (1% duty cycle)
		26	kJ	with 7.2 s (6% duty cycle)
Maximum permissible operating voltage	U_B	≤ 700 AC	V	Taking into consideration the “intrinsic safety“²
	U_B	≤ 1,000 DC	V	Taking into consideration the „intrinsic safety“²
Maximum permissible operating voltage BWx600	U_B	≤ 600 AC	V	nach CSA und UL
	U_B	≤ 848 DC	V	according to CSA and UL
Isolation voltage	U_iso	≥ 4,000 AC	V	f = 50 Hz; t = 1 s
Max. permissible case temp.	ϑ_c	≤ 250	°Cu	nobstructed convection
Storage temperature	ϑ_s	-25 … +85	°C